INBX / Inhibrx Biosciences, Inc. - Pemfailan SEC, Laporan Tahunan, Penyata Proksi

Inhibrx Biosciences, Inc.
US ˙ NasdaqGS ˙ US45720L1070

Statistik Asas
LEI 549300VBKG2LTV1TLY22
CIK 1739614
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Inhibrx Biosciences, Inc.
SEC Filings (Chronological Order)
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November 14, 2024 SC 13G/A

INBX.V / Inhibrx, Inc. / PERCEPTIVE ADVISORS LLC - SC 13G/A Passive Investment

SC 13G/A 1 d912078dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* Inhibrx, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) May 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appr

June 10, 2024 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-39452 Inhibrx, Inc. (Exact name of registrant as specified in its charter

June 3, 2024 SC 13G/A

INBX / Inhibrx Biosciences, Inc. / VIKING GLOBAL INVESTORS LP Passive Investment

SC 13G/A 1 sayw2406030113ga.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d- 1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* (Amendment No. 5) Inhibrx, Inc. (Name of Issuer) Common stock, par value $0.0001 per share (Title of Class of Se

May 30, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 30, 2024

As filed with the Securities and Exchange Commission on May 30, 2024 Registration No.

May 30, 2024 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 30, 2024 Inhibrx, Inc.

May 30, 2024 EX-3.2

SECOND AMENDED AND RESTATED BYLAWS OF INHIBRX, INC. (a Delaware corporation) Article I

Exhibit 3.2 SECOND AMENDED AND RESTATED BYLAWS OF INHIBRX, INC. (a Delaware corporation) Article I Stockholders Section 1.         Annual Meetings. The annual meeting of the stockholders of Inhibrx, Inc. (the “Corporation”) for the election of directors and for the transaction of such other business as may properly come before the meeting shall be held each year at such date and time, within or wi

May 30, 2024 EX-3.1

SIXTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF INHIBRX, INC.

Exhibit 3.1 SIXTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF INHIBRX, INC. FIRST: The name of the corporation is: Inhibrx, Inc. SECOND: The address of the registered office of the Corporation in the State of Delaware is: 251 Little Falls Drive, in the City of Wilmington, County of New Castle, 19808. The name of its registered agent for service of process in the State of Delaware at such

May 30, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 30, 2024

As filed with the Securities and Exchange Commission on May 30, 2024 Registration No.

May 30, 2024 POSASR

As filed with the Securities and Exchange Commission on May 30, 2024

As filed with the Securities and Exchange Commission on May 30, 2024 Registration No.

May 30, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 30, 2024

As filed with the Securities and Exchange Commission on May 30, 2024 Registration No.

May 30, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 30, 2024

As filed with the Securities and Exchange Commission on May 30, 2024 Registration No.

May 24, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 24, 2024 INHIBRX, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 24, 2024 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number)

May 24, 2024 EX-99.1

Inhibrx Inc. Stockholders Approve Sale of INBRX-101 to Sanofi

Exhibit 99.1 Inhibrx Inc. Stockholders Approve Sale of INBRX-101 to Sanofi SAN DIEGO – May 24, 2024 – Inhibrx, Inc. (Nasdaq: INBX) (“Inhibrx,” or the “Company”) announced that, at a special meeting (the “Special Meeting”), the Company’s stockholders approved the sale to Sanofi of all the assets and liabilities primarily related to INBRX-101, an optimized, recombinant alpha-1 antitrypsin (“AAT”) au

May 21, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

May 17, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

May 17, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 17, 2024 Inhibrx, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or Other Jurisdiction of Incorporation) (Commission File Number)

May 9, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX,

May 9, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2024 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number)

May 9, 2024 EX-99.1

Inhibrx Reports First Quarter 2024 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Inhibrx Reports First Quarter 2024 Financial Results and Recent Corporate Highlights San Diego, CA, May 9, 2024 – Inhibrx, Inc. (Nasdaq: INBX) (“Inhibrx” or the “Company”), a biopharmaceutical company with three programs in ongoing clinical trials and a strong emerging pipeline, today reported financial results for the first quarter of 2024 and provided an update on recent corporate h

May 8, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2024 Inhibrx, Inc.

May 8, 2024 EX-99.1

Inhibrx, Inc. Announces Record Date and Expected Distribution Time for Anticipated Spin-Off and the Expected Merger Effective Time for Anticipated Merger

EXHIBIT 99.1 Inhibrx, Inc. Announces Record Date and Expected Distribution Time for Anticipated Spin-Off and the Expected Merger Effective Time for Anticipated Merger SAN DIEGO, May 8, 2024 /PRNewswire/ - Inhibrx, Inc. (Nasdaq: INBX) (“Inhibrx,” or the “Company”) today announced that it has set a record date of May 17, 2024 (the “Record Date”) for the previously announced distribution by the Compa

April 26, 2024 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Rule 14a-101)

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Rule 14a-101) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-

March 12, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2024 Inhibrx, Inc.

March 12, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2024 Inhibrx, Inc. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2024 Inhibrx, Inc.

February 29, 2024 EX-FILING FEES

CALCULATION OF FILING FEE TABLES Schedule 14A (Form Type) Inhibrx, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation

Exhibit 107 CALCULATION OF FILING FEE TABLES Schedule 14A (Form Type) Inhibrx, Inc.

February 29, 2024 PREM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Rule 14a-101)

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Rule 14a-101) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-

February 28, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 28, 2024 INHIBRX, INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 28, 2024 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Nu

February 28, 2024 EX-10.15

26, 2024, by and between the Registrant and Elpiscience Biopharmaceuticals, Inc.

Exhibit 10.15 TERMINATION AGREEMENT This Termination Agreement (this “Termination Agreement”), effective as of February 26, 2024 (the “Effective Date”), is made by and between Inhibrx, Inc. (formerly known as Inbrx105 LP), a Delaware corporation located at 11025 N. Torrey Pines Road, Suite 200, La Jolla, CA 92037 (“Inhibrx”), and Elpiscience Biopharmaceuticals, Inc., a Cayman Islands company havin

February 28, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX, INC.

February 28, 2024 EX-99.1

Inhibrx Reports Fourth Quarter and Fiscal Year 2023 Financial Results

Exhibit 99.1 Inhibrx Reports Fourth Quarter and Fiscal Year 2023 Financial Results San Diego, CA, February 28, 2024 – Inhibrx, Inc. (Nasdaq: INBX) (“Inhibrx” or the “Company”), a biopharmaceutical company with three clinical programs in development and a strong emerging pipeline, today reported financial results for the fourth quarter and fiscal year 2023. Key Highlights •Sale of INBRX-101 to Sano

February 14, 2024 SC 13G/A

INBX / Inhibrx, Inc. / RA CAPITAL MANAGEMENT, L.P. - SC 13G/A Passive Investment

SC 13G/A 1 tm246065d14sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* INHIBRX, INC. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check

February 14, 2024 EX-99.1

AGREEMENT

EX-99.1 2 d771606dex991.htm EX-99.1 EXHIBIT 1 AGREEMENT The persons below hereby agree that the Schedule 13G to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13G, shall be filed on behalf of each of them. This agreement is intended to satisfy the requirements of Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934. Date: February 14, 2

February 14, 2024 SC 13G/A

INBX / Inhibrx, Inc. / Eckelman Brendan P. - SC 13G/A Passive Investment

SC 13G/A 1 sc13gbe-fy2023.htm SC 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 14, 2024 SC 13G/A

INBX / Inhibrx, Inc. / PERCEPTIVE ADVISORS LLC - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* Inhibrx, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

February 14, 2024 EX-99.1

Exhibit 1: Joint filing agreement

EX-99.1 2 tm246065d14ex1.htm EXHIBIT 1 EXHIBIT 1 AGREEMENT This Joint Filing Agreement, dated as of February 14, 2024, is by and among RA Capital Management, L.P., Peter Kolchinsky, Rajeev Shah, and RA Capital Healthcare Fund, L.P. (the foregoing are collectively referred to herein as the “Filers”). Each of the Filers may be required to file with the United States Securities and Exchange Commissio

February 14, 2024 SC 13G/A

INBX / Inhibrx, Inc. / VIKING GLOBAL INVESTORS LP - SC 13G/A Passive Investment

SC 13G/A 1 ef20021473sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d- 1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* (Amendment No. 4) Inhibrx, Inc. (Name of Issuer) Common stock, $0.0001 par value per share (Title of Cl

February 14, 2024 SC 13G/A

INBX / Inhibrx, Inc. / Lappe Mark - SC 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

February 14, 2024 SC 13G/A

INBX / Inhibrx, Inc. / Kayyem Jon Faiz - SC 13G/A Passive Investment

SC 13G/A 1 sc13gfk-fy2023.htm SC 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 6, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

January 23, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, For Use of the Commission Only (a

January 23, 2024 EX-4.1

Form of Agreement to Pre-Funded Warrant to Purchase Common Stock and Securities Purchase Agreement, dated January 22, 2024, by and between Inhibrx, Inc. and each holder of the Private Placement Warrants party thereto.

Exhibit 4.1 AGREEMENT RELATING TO THE PRE-FUNDED WARRANT TO PURCHASE COMMON STOCK AND SECURITIES PURCHASE AGREEMENT THIS AGREEMENT (the “Agreement”), dated as of January 22, 2024, amends the Pre-Funded Warrant to Purchase Common Stock, dated August 31, 2023, issued by Inhibrx, Inc., a Delaware corporation (the “Company”), to [●] (the “Holder”) and specifies certain registration and other rights of

January 23, 2024 EX-4.2

Amendment to Warrants to Purchase Stock, dated January 22, 2024, by and between Inhibrx, Inc. and Oxford Finance LLC.

Exhibit 4.2 AMENDMENT TO WARRANTS TO PURCHASE STOCK THIS AMENDMENT (the “Amendment”), dated as of January 22, 2024, amends each of the 2020 Warrants (as defined below) and the 2022 Warrants (as defined below) that have been issued by Inhibrx, Inc., a Delaware corporation (the “Company”) to Oxford Finance LLC (the “Holder”). WHEREAS, on July 15, 2020, the Company originally issued warrants to purch

January 23, 2024 EX-99.1

Inhibrx Announces Sale of INBRX-101 to Sanofi for an aggregate value of up to $2.2B Inhibrx, Inc. shareholders will receive per share consideration of $30 per share in cash, a CVR equal to $5, plus 0.25 shares in New Inhibrx, a new publicly traded co

Exhibit 99.1 Inhibrx Announces Sale of INBRX-101 to Sanofi for an aggregate value of up to $2.2B Inhibrx, Inc. shareholders will receive per share consideration of $30 per share in cash, a CVR equal to $5, plus 0.25 shares in New Inhibrx, a new publicly traded company that retains all non-101 assets of Inhibrx, Inc. Sanofi to pay off Inhibrx’s outstanding debt balance and capitalize New Inhibrx wi

January 23, 2024 EX-2.2

Separation and Distribution Agreement, dated as of January 22, 2024, by and among Inhibrx, Inc., Ibex SpinCo, Inc., and Aventis Inc.

Exhibit 2.2 EXECUTION VERSION SEPARATION AND DISTRIBUTION AGREEMENT BY AND AMONG INHIBRX, INC., IBEX SPINCO, INC., AND, SOLELY WITH RESPECT TO SECTION 2.7(b), SECTION 2.10, SECTION 3.3, SECTION 4.2, SECTION 4.3, SECTION 4.7, SECTION 5.1, SECTION 6.6(i), SECTION 8.3, SECTION 8.6, SECTION 8.7, AND SECTION 8.8, AVENTIS INC. Dated as of January 22, 2024 NO AGREEMENT, ORAL OR WRITTEN, REGARDING OR RELA

January 23, 2024 EX-2.1

Agreement and Plan of Merger, dated as of January 22, 2024, by and among Inhibrx, Inc., Aventis Inc., and Art Acquisition Sub, Inc.

  Exhibit 2.1   EXECUTION VERSION   AGREEMENT AND PLAN OF MERGER   by and among   AVENTIS INC. ART ACQUISITION SUB, Inc.   and   INHIBRX, INC.   Dated as of January 22, 2024         Table of Contents   Page   Article I THE MERGER 2 Section 1.1 The Merger 2 Section 1.2 Effective Time 2 Section 1.3 The Closing 2 Section 1.4 Organizational Documents of the Surviving Corporation 2 Section 1.5 Director

January 23, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 22, 2024 Inhibrx, Inc. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 22, 2024 Inhibrx, Inc.

January 23, 2024 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 22, 2024 Inhibrx, Inc.

November 9, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2023 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Num

November 9, 2023 EX-99.1

Inhibrx Reports Third Quarter 2023 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Inhibrx Reports Third Quarter 2023 Financial Results and Recent Corporate Highlights San Diego, CA, November 9, 2023 – Inhibrx, Inc. (Nasdaq: INBX), or Inhibrx, or the Company, a biopharmaceutical company with four programs in ongoing clinical trials and a strong emerging pipeline, today reported financial results for the third quarter of 2023 and provided an update on recent corporat

November 9, 2023 EX-10.2

Inhibrx, Inc. Clawback Policy

INHIBRX, INC. CLAWBACK POLICY I.Introduction The Compensation Committee of the Board of Directors (the “Committee”) of Inhibrx, Inc. (the “Company”) believes that it is in the best interests of the Company and its shareholders to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philosophy. The Committee ha

November 9, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHI

November 2, 2023 EX-99.1

Inhibrx Announces Preliminary Data from the Phase 1 Trial of INBRX-109 for the Treatment of Ewing Sarcoma

Exhibit 99.1 Inhibrx Announces Preliminary Data from the Phase 1 Trial of INBRX-109 for the Treatment of Ewing Sarcoma SAN DIEGO, November 2, 2023 /PRNewswire/ - Inhibrx, Inc. (Nasdaq: INBX), a clinical-stage biopharmaceutical company dedicated to the development of therapeutics for oncology and rare diseases, today announced preliminary efficacy and safety data from the Phase 1 trial of INBRX-109

November 2, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2023 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Num

September 19, 2023 EX-99.1

Inhibrx Retains Rights to INBRX-101 for the Treatment of Alpha-1 Antitrypsin Deficiency Outside of the United States and Canada

Exhibit 99.1 Inhibrx Retains Rights to INBRX-101 for the Treatment of Alpha-1 Antitrypsin Deficiency Outside of the United States and Canada SAN DIEGO, /September 19, 2023 /PRNewswire/ - Inhibrx, Inc. (Nasdaq: INBX) (“Inhibrx” or the “Company”), a clinical-stage biopharmaceutical company dedicated to the development of therapeutics for oncology and rare diseases, announced today that Chiesi Farmac

September 19, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 18, 2023 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File N

August 29, 2023 EX-99.1

Inhibrx Announces $200 Million Private Placement Financing

EX 99.1 Inhibrx Announces $200 Million Private Placement Financing SAN DIEGO, August 29, 2023 / PRNewswire/ - Inhibrx, Inc. (Nasdaq: INBX) (“Inhibrx” or the “Company”), a clinical-stage biopharmaceutical company dedicated to the development of therapeutics for oncology and rare diseases, announced today that it has entered into a securities purchase agreement for a private placement financing (the

August 29, 2023 EX-4.1

Form of Pre-Funded Warrant to Purchase Common Stock.

Exhibit 4.1 NEITHER THIS SECURITY NOR THE SECURITIES FOR WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR THE SECURITIES LAWS OF ANY STATE OF THE UNITED STATES. THE SECURITIES MAY NOT BE SOLD, OFFERED FOR SALE, PLEDGED, HYPOTHECATED, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT FOR THE SECURITIES UNDER APPLICA

August 29, 2023 EX-10.1

Form of Securities Purchase Agreement.

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT This SECURITIES PURCHASE AGREEMENT (this “Agreement”), dated as of August 28, 2023, is made by and among Inhibrx, Inc., a Delaware corporation (the “Company”), and the Purchasers listed on Schedule 1 hereto, together with their permitted transferees (each, a “Purchaser” and collectively, the “Purchasers”). RECITALS: A. The Company and the Purchasers are e

August 29, 2023 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 28, 2023 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numb

August 7, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 7, 2023 INHIBRX, INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 7, 2023 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numbe

August 7, 2023 EX-99.1

Inhibrx Reports Second Quarter 2023 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Inhibrx Reports Second Quarter 2023 Financial Results and Recent Corporate Highlights San Diego, CA, August 7, 2023 – Inhibrx, Inc. (Nasdaq: INBX), or Inhibrx, or the Company, a biopharmaceutical company with four programs in ongoing clinical trials and a strong emerging pipeline, today reported financial results for the second quarter of 2023 and provided an update on recent corporat

August 7, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX,

August 7, 2023 EX-99.2

INBX Investor Presentation Outcomes Focused August 2023 Innovation Driven 2 Presentation disclaimer This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “inte

inhibrxpresentationaugus INBX Investor Presentation Outcomes Focused August 2023 Innovation Driven 2 Presentation disclaimer This presentation contains forward-looking statements.

May 30, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 30, 2023 INHIBRX, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 30, 2023 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number)

May 30, 2023 EX-99.1

Inhibrx Granted Fast Track Designation for INBRX-101 for the Treatment of Alpha-1 Antitrypsin Deficiency

Exhibit 99.1 Inhibrx Granted Fast Track Designation for INBRX-101 for the Treatment of Alpha-1 Antitrypsin Deficiency SAN DIEGO, May 30, 2023 /PRNewswire/ - Inhibrx, Inc. (Nasdaq: INBX), a clinical-stage biopharmaceutical company dedicated to the development of therapeutics for oncology and rare diseases, announced today that the U.S. Food and Drug Administration (FDA) granted Fast Track designati

May 25, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 25, 2023 INHIBRX, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 25, 2023 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number)

May 8, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX,

May 8, 2023 EX-99.1

Inhibrx Reports First Quarter 2023 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Inhibrx Reports First Quarter 2023 Financial Results and Recent Corporate Highlights San Diego, CA, May 8, 2023 – Inhibrx, Inc. (Nasdaq: INBX), or Inhibrx, or the Company, a biopharmaceutical company with four clinical programs in development and a strong emerging pipeline, today reported financial results for the first quarter of 2023 and provided an update on recent corporate highli

May 8, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2023 INHIBRX, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2023 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number)

April 26, 2023 EX-99.1

Inhibrx Initiates a Registration-Enabling Trial of INBRX-101 in AATD and Announces Lift of Partial Clinical Hold on INBRX-109 DR5 Agonist Trials

Exhibit 99.1 Inhibrx Initiates a Registration-Enabling Trial of INBRX-101 in AATD and Announces Lift of Partial Clinical Hold on INBRX-109 DR5 Agonist Trials SAN DIEGO, April 26, 2023/PRNewswire/ - Inhibrx, Inc. (Nasdaq: INBX), a clinical-stage biopharmaceutical company dedicated to the development of therapeutics for oncology and rare diseases, announced today that it has initiated a registration

April 26, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 26, 2023 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numbe

April 13, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14A-101) Schedule 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14A-101) Schedule 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (a

April 13, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14A-101) Schedule 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the

March 13, 2023 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 10, 2023 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numbe

March 9, 2023 SC 13G/A

INBX / Inhibrx Inc / Inhibrx, Inc. - SC 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

March 9, 2023 SC 13G/A

INBX / Inhibrx Inc / Inhibrx, Inc. - SC 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

March 9, 2023 SC 13G/A

INBX / Inhibrx Inc / Inhibrx, Inc. - SC 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

March 6, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX, INC.

March 6, 2023 EX-99.1

Inhibrx Reports Fourth Quarter and Fiscal Year 2022 Financial Results

Exhibit 99.1 Inhibrx Reports Fourth Quarter and Fiscal Year 2022 Financial Results San Diego, CA, March 6, 2023 – Inhibrx, Inc. (Nasdaq: INBX) (“Inhibrx” or the “Company”), a biopharmaceutical company with four clinical programs in development and a strong emerging pipeline, today reported financial results for the fourth quarter and fiscal year 2022. Key Highlights •INBRX-101: Timing for the pote

March 6, 2023 EX-99.2

Outcomes Focused Innovation Driven March 2023 2 Presentation disclaimer This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “b

inhibrxpresentationmarch Outcomes Focused Innovation Driven March 2023 2 Presentation disclaimer This presentation contains forward-looking statements.

March 6, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 6, 2023 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number

March 6, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Inhibrx, Inc. (Exact name of Registrant as Specified in its Charter) Table 1 — Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Equity Common Stock, $0

March 6, 2023 S-8

As filed with the Securities and Exchange Commission on March 6, 2023

As filed with the Securities and Exchange Commission on March 6, 2023 REGISTRATION NO.

February 14, 2023 SC 13G/A

INBX / Inhibrx Inc / VIKING GLOBAL INVESTORS LP - SC 13G/A Passive Investment

SC 13G/A 1 brhc10047904sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d- 1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* (Amendment No. 3) Inhibrx, Inc. (Name of Issuer) Common stock, $0.0001 par value per share (Title of

February 14, 2023 SC 13G/A

INBX / Inhibrx Inc / RA CAPITAL MANAGEMENT, L.P. - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

February 14, 2023 SC 13G/A

INBX / Inhibrx Inc / PERCEPTIVE ADVISORS LLC - SC 13G/A Passive Investment

SC 13G/A 1 d371754dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Inhibrx, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the

February 14, 2023 EX-99.1

AGREEMENT

EX-99.1 2 d371754dex991.htm EX-99.1 EXHIBIT 1 AGREEMENT The persons below hereby agree that the Schedule 13G to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13G, shall be filed on behalf of each of them. This agreement is intended to satisfy the requirements of Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934. Date: February 14, 2

November 16, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 16, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Nu

November 16, 2022 EX-99.2

Inhibrx Announces Updated Efficacy and Safety Data from the Expansion Cohorts in the Phase 1 Trial of INBRX-109 for the Treatment of Chondrosarcoma

Exhibit 99.2 Inhibrx Announces Updated Efficacy and Safety Data from the Expansion Cohorts in the Phase 1 Trial of INBRX-109 for the Treatment of Chondrosarcoma SAN DIEGO, November 16, 2022 /PRNewswire/ - Inhibrx, Inc. (Nasdaq: INBX), a clinical-stage biopharmaceutical company dedicated to the development of therapeutics for oncology and rare diseases, today announced updated efficacy and safety d

November 16, 2022 EX-99.1

Outcomes Focused Innovation Driven November 2022 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,”

Outcomes Focused Innovation Driven November 2022 2 This presentation contains forward-looking statements.

November 7, 2022 EX-10.2

Third Amended and Restated Executive Employment Agreement, effective as of January 1, 2023, by and between Inhibrx, Inc. and Mark Lappe (incorporated by reference to Exhibit 10.2 of Inhibrx, Inc.’s Quarterly Report on Form 10-Q (File No. 001-39452) filed on November 7, 2022).

Exhibit 10.2 THIRD AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT This Third Amended and Restated Executive Employment Agreement (this ?Agreement?) is effective as of January 1, 2023 (the ?Effective Date?) by and between Inhibrx, Inc., a Delaware corporation (the ?Company?), and Mark Lappe (?Executive?). WHEREAS, Executive is currently employed by the Company, pursuant to the terms of that ce

November 7, 2022 EX-10.3

Second Amended and Restated Executive Employment Agreement, effective as of January 1, 2023, by and between Inhibrx, Inc. and Kelly Deck (incorporated by reference to Exhibit 10.3 of Inhibrx, Inc.’s Quarterly Report on Form 10-Q (File No. 001-39452) filed on November 7, 2022)

Exhibit 10.3 SECOND AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT This Second Amended and Restated Executive Employment Agreement (this ?Agreement?) is effective as of January 1, 2023 (the ?Effective Date?) by and between Inhibrx, Inc., a Delaware corporation (the ?Company?), and Kelly Deck (?Executive?). WHEREAS, Executive is currently employed by the Company, pursuant to the terms of that

November 7, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHI

November 7, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Num

November 7, 2022 EX-99.1

Inhibrx Reports Third Quarter 2022 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Inhibrx Reports Third Quarter 2022 Financial Results and Recent Corporate Highlights San Diego, CA, November 7, 2022 ? Inhibrx, Inc. (Nasdaq: INBX), a biopharmaceutical company with four clinical programs in development and a strong emerging pipeline, today reported financial results for the third quarter of 2022 and provided an update on recent corporate highlights. Recent Corporate

October 26, 2022 8-K

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 24, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Num

October 17, 2022 SC 13G

INBX / Inhibrx Inc / RA CAPITAL MANAGEMENT, L.P. - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* INHIBRX, INC. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 45720L 107 (CUSIP Number) October 7, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursu

October 4, 2022 EX-10.1

Sixth Amendment to Loan and Security Agreement, dated October 3, 2022, by and between the Company and Oxford Finance LLC

Exhibit 10.1 SIXTH AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS SIXTH AMENDMENT to Loan and Security Agreement (this ?Amendment?) is entered into as of October 3, 2022 (the ?Sixth Amendment Date?), by and among OXFORD FINANCE LLC, a Delaware limited liability company with an office located at 115 South Union Street, Suite 300, Alexandria, Virginia 22314 (?Oxford?), as collateral agent (in such ca

October 4, 2022 EX-99.1

Outcomes Focused Innovation Driven October 2022 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,” “

Outcomes Focused Innovation Driven October 2022 2 This presentation contains forward-looking statements.

October 4, 2022 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 3, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numb

October 4, 2022 EX-99.2

Inhibrx Announces Opportunity for Accelerated Approval Pathway on Functional AAT Serum Levels for INBRX-101 in AATD and Announces Bronchoalveolar Lavage Fluid Detection Results from the Phase 1 Study

Exhibit 99.2 Inhibrx Announces Opportunity for Accelerated Approval Pathway on Functional AAT Serum Levels for INBRX-101 in AATD and Announces Bronchoalveolar Lavage Fluid Detection Results from the Phase 1 Study SAN DIEGO, October 4, 2022 /PRNewswire/ - Inhibrx, Inc. (Nasdaq: INBX), a clinical-stage biopharmaceutical company dedicated to the development of therapeutics for oncology and rare disea

September 23, 2022 CORRESP

Inhibrx, Inc. 11025 N. Torrey Pines Rd., Suite 200 La Jolla, CA 92037 September 23, 2022

Inhibrx, Inc. 11025 N. Torrey Pines Rd., Suite 200 La Jolla, CA 92037 September 23, 2022 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, D.C. 20549 Attention: Sasha Parikh and Tracie Mariner Re: Inhibrx, Inc. Form 10-K for the Fiscal Year Ended December 31, 2021 Filed February 28, 2022 Form 10-Q for the Fiscal Quarter Ended June 30, 2022 Fi

August 15, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 15, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numb

August 15, 2022 EX-99.1

European Medicines Agency Grants Orphan Drug Designation to INBRX-109 for the Treatment of Chondrosarcoma

European Medicines Agency Grants Orphan Drug Designation to INBRX-109 for the Treatment of Chondrosarcoma SAN DIEGO, August 15, 2022 /PRNewswire/ - Inhibrx, Inc.

August 10, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 10, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numb

August 10, 2022 EX-99.1

Outcomes Focused Innovation Driven August 2022 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,” “p

Outcomes Focused Innovation Driven August 2022 2 This presentation contains forward-looking statements.

August 8, 2022 EX-99.1

Inhibrx Reports Second Quarter 2022 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Inhibrx Reports Second Quarter 2022 Financial Results and Recent Corporate Highlights San Diego, CA, August 8, 2022 ? Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development and a strong emerging pipeline, today reported financial results for the second quarter of 2022 and provided an update on recent corporate highlights. Recent Corporate High

August 8, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX,

August 8, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numbe

July 19, 2022 SC 13G

INBX / Inhibrx Inc / PERCEPTIVE ADVISORS LLC - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Inhibrx, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) July 5, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

July 19, 2022 EX-99.1

AGREEMENT

EXHIBIT 1 AGREEMENT The persons below hereby agree that the Schedule 13G to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13G, shall be filed on behalf of each of them.

June 30, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 29, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number

June 30, 2022 EX-99.2

Inhibrx Announces Completion of Phase 1 Combination Dose Escalation for INBRX-105, a Novel Targeted 4-1BB Agonist, and Draws an Additional $60 Million from Oxford Finance

Exhibit 99.2 Inhibrx Announces Completion of Phase 1 Combination Dose Escalation for INBRX-105, a Novel Targeted 4-1BB Agonist, and Draws an Additional $60 Million from Oxford Finance San Diego, CA, June 30, 2022 ? Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development and a robust preclinical pipeline, today announced the completion of Phase 1 dose escala

June 30, 2022 EX-99.1

Outcomes Focused Innovation Driven July 2022 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,” “pot

Outcomes Focused Innovation Driven July 2022 2 This presentation contains forward-looking statements.

June 16, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 15, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number

June 16, 2022 EX-10.1

Fifth Amendment to Loan and Security Agreement, dated June 15, 2022, by and between the Company and Oxford Finance LLC

Exhibit 10.1 FIFTH AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS FIFTH AMENDMENT to Loan and Security Agreement (this ?Amendment?) is entered into as of June 15, 2022 (the ?Fifth Amendment Date?), by and among OXFORD FINANCE LLC, a Delaware limited liability company with an office located at 115 South Union Street, Suite 300, Alexandria, Virginia 22314 (?Oxford?), as collateral agent (in such capa

May 25, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 25, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number)

May 16, 2022 EX-99.1

Outcomes Focused Innovation Driven May 2022 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,” “pote

Outcomes Focused Innovation Driven May 2022 2 This presentation contains forward-looking statements.

May 16, 2022 EX-99.2

INBRX-101 Shows Favorable Safety Profile in Patients with Alpha-1 Antitrypsin Deficiency and Demonstrates Potential to Achieve Normal Functional Alpha-1 Antitrypsin Levels with Monthly Dosing

Exhibit 99.2 INBRX-101 Shows Favorable Safety Profile in Patients with Alpha-1 Antitrypsin Deficiency and Demonstrates Potential to Achieve Normal Functional Alpha-1 Antitrypsin Levels with Monthly Dosing ?Topline results from the Phase 1 study showed a favorable safety and tolerability profile with no drug-related severe or serious adverse events. ?Topline data from the multiple ascending dose co

May 16, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 16, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number)

May 9, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number)

May 9, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX,

May 9, 2022 EX-99.1

Inhibrx Reports First Quarter 2022 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Inhibrx Reports First Quarter 2022 Financial Results and Recent Corporate Highlights San Diego, CA, May 9, 2022 ? Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development and a strong emerging pipeline, today reported financial results for the first quarter of 2022 and provided an update on recent corporate highlights. Recent Corporate Highlight

April 25, 2022 EX-99.1

Inhibrx Announces Formation of Scientific Advisory Board for INBRX-101

Exhibit 99.1 Inhibrx Announces Formation of Scientific Advisory Board for INBRX-101 SAN DIEGO, April 25, 2022 /PRNewswire/ - Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development and a strong emerging pipeline, today announced the formation of a Scientific Advisory Board (?SAB?) for its INBRX-101 program for the treatment of alpha-1 antitrypsin deficiency

April 25, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numbe

April 13, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14A-101) Schedule 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEFA14A 1 inbx2022additionalproxymat.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14A-101) Schedule 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement

April 13, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14A-101) Schedule 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the

April 5, 2022 EX-99.1

Inhibrx to Present INBRX-101 Data at ATS 2022 Annual Meeting

EX-99.1 2 ex991inbxtopresentatats.htm EX-99.1 Exhibit 99.1 Inhibrx to Present INBRX-101 Data at ATS 2022 Annual Meeting SAN DIEGO, April 5, 2022 – Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development and an emerging pre-clinical pipeline, announced today that late-breaking data from INBRX-101 will be presented at the American Thoracic Society (“ATS”) 202

April 5, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 5, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number

April 4, 2022 EX-99.1

Outcomes Focused Innovation Driven April 2022 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,” “po

Outcomes Focused Innovation Driven April 2022 2 This presentation contains forward-looking statements.

April 4, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 4, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number

March 3, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 2, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number

March 3, 2022 EX-99.1

Inhibrx Receives FDA Orphan-Drug Designation for INBRX-101 for the Treatment of Alpha-1 Antitrypsin Deficiency

Exhibit 99.1 Inhibrx Receives FDA Orphan-Drug Designation for INBRX-101 for the Treatment of Alpha-1 Antitrypsin Deficiency ?Interim results reported in October 2021 from the Phase 1 study showed a favorable safety and tolerability profile with no drug-related severe or serious adverse events at doses up to and including 120 mg/kg single dose and 80 mg/kg multi-dose administered intravenously, or

March 2, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Inhibrx, Inc. (Exact name of Registrant as Specified in its Charter) Table 1 ? Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Equity Common Stock, $0

March 2, 2022 S-8

As filed with the Securities and Exchange Commission on March 1, 2022

As filed with the Securities and Exchange Commission on March 1, 2022 REGISTRATION NO.

February 28, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ☐ TRANSITION REPORT PURSUA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark one) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX, INC.

February 28, 2022 EX-10.4

Separation Letter Agreement, effective as of February 1, 2022, by and between the Registrant and Klaus Wagner, M.D., Ph.D.

11025 N. Torrey Pines Rd Suite 200 La Jolla, CA 92037 February 1, 2022 Via Hand Delivery Klaus Wagner Re: Final Day of Employment with Inhibrx Dear Klaus: In light of your resignation, this letter serves as confirmation that your employment with Inhibrx (the ?Company?) is voluntarily terminated as of February 1, 2022 (the ?Separation Date?). You have received or will receive payment on the Separat

February 28, 2022 EX-99.1

Inhibrx Reports Fourth Quarter and Fiscal Year 2021 Financial Results and Recent Corporate Highlights

EX-99.1 2 exhibit99112312021.htm EX-99.1 Exhibit 99.1 Inhibrx Reports Fourth Quarter and Fiscal Year 2021 Financial Results and Recent Corporate Highlights San Diego, CA, February 28, 2022 – Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development and a strong emerging pipeline, today reported financial results for the fourth quarter and fiscal year 2021 and

February 28, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 28, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Nu

February 22, 2022 EX-10.1

Fourth Amendment to Loan and Security Agreement, dated February 18, 2022, by and between the Company and Oxford Finance LLC

EX-10.1 2 exhibit101fourthamendmentt.htm EX-10.1 Exhibit 10.1 FOURTH AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS FOURTH AMENDMENT to Loan and Security Agreement (this “Amendment”) is entered into as of February 18, 2022 (the “Fourth Amendment Date”), by and among OXFORD FINANCE LLC, a Delaware limited liability company with an office located at 115 South Union Street, Suite 300, Alexandria, Virg

February 22, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 18, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Nu

February 22, 2022 EX-99.1

Inhibrx Announces Amended Loan Agreement with Oxford

Exhibit 99.1 Inhibrx Announces Amended Loan Agreement with Oxford San Diego, CA, February 22, 2022 /PRNewswire/ - Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development and a strong emerging pipeline, today announced that it has amended its loan and security agreement with Oxford Finance LLC (?Oxford?). ?This amendment further strengthens our balance sheet

February 14, 2022 SC 13G/A

INBX / Inhibrx Inc / Inhibrx, Inc. - SC 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

February 14, 2022 SC 13G/A

INBX / Inhibrx Inc / Inhibrx, Inc. - SC 13G/A Passive Investment

SC 13G/A 1 sc13gfkfebruary2022.htm SC 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriat

February 14, 2022 SC 13G/A

INBX / Inhibrx Inc / Inhibrx, Inc. - SC 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

February 14, 2022 SC 13G/A

INBX / Inhibrx Inc / Inhibrx, Inc. - SC 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

February 14, 2022 SC 13G/A

INBX / Inhibrx Inc / VIKING GLOBAL INVESTORS LP - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. 2) INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d- 1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* Inhibrix, Inc. (Name of Issuer) Common stock, $0.0001 par value per share (Title of Class of Securities) 45720L107 (CUSIP Numb

February 9, 2022 SC 13G/A

INBX / Inhibrx Inc / LAV Summit Ltd - AMENDMENT NO. 1 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.1)* Inhibrx, Inc. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 45720L107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pu

January 25, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 19, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Num

January 4, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 4, 2022 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numb

January 4, 2022 EX-99.2

Outcomes Focused Innovation Driven January 2022 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,” “

EX-99.2 3 inhibrxpresentationjanua.htm EX-99.2 Outcomes Focused Innovation Driven January 2022 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,” “potential,” “continue” and “ongoing,” or the negative of these terms, or other comparable terminology i

January 4, 2022 EX-99.1

Inhibrx Announces Initial Phase 1 Dose Escalation Results for INBRX-106, a Novel Hexavalent OX40 Agonist, in Combination with Keytruda

Exhibit 99.1 Inhibrx Announces Initial Phase 1 Dose Escalation Results for INBRX-106, a Novel Hexavalent OX40 Agonist, in Combination with Keytruda? (Pembrolizumab) Along with Updated Single Agent Data ?Two durable partial responses in checkpoint inhibitor-naive nasopharyngeal carcinoma and uveal melanoma patients in dose escalation of INBRX-106 in combination with Keytruda? ?Durable single agent-

December 1, 2021 EX-99.1

Inhibrx Receives FDA Orphan-Drug Designation for INBRX-109 in Chondrosarcoma

EX-99.1 2 exhibit991pressrelease1220.htm EX-99.1 Exhibit 99.1 Inhibrx Receives FDA Orphan-Drug Designation for INBRX-109 in Chondrosarcoma –Orphan-drug designation follows fast track designation granted to INBRX-109 in conventional chondrosarcoma –Preliminary median progression-free survival (PFS) of 7.4 months and disease control rate of 89% observed in conventional chondrosarcoma patients in ong

December 1, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 1, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Num

November 9, 2021 EX-10.5

Amended and Restated Executive Employment Agreement, effective as of January 1, 2022, by and between the Company and Kelly Deck

EX-10.5 5 exhibit105deckemploymentag.htm EX-10.5 Exhibit 10.5 AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT This Amended and Restated Executive Employment Agreement (this “Agreement”) is effective as of January 1, 2022 (the “Effective Date”) by and between Inhibrx, Inc., a Delaware corporation (the “Company”), and Kelly Deck (“Executive”). WHEREAS, Executive is currently employed by the Comp

November 9, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHI

November 9, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Num

November 9, 2021 EX-10.2

Second Amended and Restated Executive Employment Agreement, effective as of January 1, 2022, by and between the Company and Mark Lappe

Exhibit 10.2 SECOND AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT This Second Amended and Restated Executive Employment Agreement (this “Agreement”) is effective as of January 1, 2022 (the “Effective Date”) by and between Inhibrx, Inc., a Delaware corporation (the “Company”), and Mark Lappe (“Executive”). WHEREAS, Executive is currently employed by the Company, pursuant to the terms of that

November 9, 2021 EX-99.1

Inhibrx Reports Third Quarter 2021 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Inhibrx Reports Third Quarter 2021 Financial Results and Recent Corporate Highlights San Diego, CA, November 9, 2021 ? Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development and a strong emerging pipeline, today reported financial results for the third quarter of 2021 and provided an update on recent corporate highlights. Recent Corporate High

November 9, 2021 EX-10.3

Second Amended and Restated Executive Employment Agreement, effective as of January 1, 2022, by and between the Registrant and Klaus Wagner, M.D., Ph.D.

Exhibit 10.3 SECOND AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT This Second Amended and Restated Executive Employment Agreement (this ?Agreement?) is effective as of January 1, 2022 (the ?Effective Date?) by and between Inhibrx, Inc., a Delaware corporation (the ?Company?), and Klaus Wagner (?Executive?). WHEREAS, Executive is currently employed by the Company, pursuant to the terms of tha

November 9, 2021 EX-10.4

Second Amended and Restated Executive Employment Agreement, effective as of January 1, 2022, by and between Inhibrx, Inc. and Brendan Eckelman, Ph.D. (incorporated by reference to Exhibit 10.4 of Inhibrx, Inc.’s Quarterly Report on Form 10-Q (File No. 001-39452) filed on November 9, 2021).

Exhibit 10.4 SECOND AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT This Second Amended and Restated Executive Employment Agreement (this “Agreement”) is effective as of January 1, 2022 (the “Effective Date”) by and between Inhibrx, Inc., a Delaware corporation (the “Company”), and Brendan Eckelman (“Executive”). WHEREAS, Executive is currently employed by the Company, pursuant to the terms of

October 28, 2021 EX-99.1

Inhibrx Strengthens Leadership Team with Three Key Executive Hires and Announces Appointment of Kristiina Vuori, M.D., Ph.D. to its Board of Directors

Exhibit 99.1 Inhibrx Strengthens Leadership Team with Three Key Executive Hires and Announces Appointment of Kristiina Vuori, M.D., Ph.D. to its Board of Directors SAN DIEGO, October 28, 2021 /PRNewswire/ - Inhibrx, Inc. (Nasdaq: INBX), announced the appointment of three key executives: David Matly, M.B.A., as Chief Commercial Officer; David Kao, PharmD, M.B.A., RPh, as Vice President of Regulator

October 28, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Num

October 12, 2021 EX-99.1

INBRX-101 Shows Favorable Safety Profile in Patients with Alpha-1 Antitrypsin Deficiency and Demonstrates the Potential to Achieve Normal Alpha-1 Antitrypsin Levels with Monthly Dosing

EX-99.1 2 exhibit991pressreleaseocto.htm EX-99.1 Exhibit 99.1 INBRX-101 Shows Favorable Safety Profile in Patients with Alpha-1 Antitrypsin Deficiency and Demonstrates the Potential to Achieve Normal Alpha-1 Antitrypsin Levels with Monthly Dosing –Interim results from the Phase 1 study show a favorable safety and tolerability profile with no drug-related severe or serious adverse events at doses u

October 12, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 12, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Num

October 12, 2021 EX-99.2

Outcomes Focused Innovation Driven October 2021 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,” “

Outcomes Focused Innovation Driven October 2021 2 This presentation contains forward-looking statements.

September 3, 2021 EX-1.2

(incorporated by reference as Exhibit 1.2 to the Company’s Registration Statement on Form S-3ASR filed with the SEC on

Exhibit 1.2 OPEN MARKET SALE AGREEMENTSM September 3, 2021 JEFFERIES LLC 520 Madison Avenue New York, New York 10022 Ladies and Gentlemen: Inhibrx, Inc., a Delaware corporation (the ?Company?), proposes, subject to the terms and conditions stated herein, to issue and sell from time to time through Jefferies LLC, as sales agent and/or principal (the ?Agent?), shares of the Company?s common stock, p

September 3, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 3, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Nu

September 3, 2021 S-3ASR

As filed with the Securities and Exchange Commission on September 3, 2021.

Table of Contents As filed with the Securities and Exchange Commission on September 3, 2021.

September 3, 2021 EX-4.8

Form of Subordinated Indenture

Exhibit 4.8 INHIBRX, INC. Issuer AND [ ] Trustee INDENTURE Dated as of [ ] Subordinated Debt Securities CROSS-REFERENCE TABLE (1) Section of Trust Indenture Act of 1939, as Amended Section of Indenture 310(a). 7.09 310(b). 7.08 7.10 310(c). Inapplicable 311(a). 7.13(a) 311(b). 7.13(b) 311(c). Inapplicable 312(a). 5.02(a) 312(b). 5.02(b) 312(c). 5.02(c) 313(a). 5.04(a) 313(b). 5.04(a) 313(c). 5.04(

September 3, 2021 EX-4.7

Form of Senior Indenture

Exhibit 4.7 INHIBRX, INC. Issuer AND [ ] Trustee INDENTURE Dated as of [ ] Senior Debt Securities CROSS-REFERENCE TABLE (1) Section of Trust Indenture Act of 1939, as Amended Section of Indenture 310(a). 7.09 310(b). 7.08 7.10 310(c). Inapplicable 311(a). 7.13(a) 311(b). 7.13(b) 311(c). Inapplicable 312(a) 5.02(a) 312(b). 5.02(b) 312(c). 5.02(c) 313(a). 5.04(a) 313(b). 5.04(a) 313(c). 5.04(a) 5.04

August 9, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 9, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numbe

August 9, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX,

August 9, 2021 EX-99.1

Inhibrx Reports Second Quarter 2021 Financial Results

EX-99.1 2 exhibit99106302021.htm EX-99.1 Exhibit 99.1 Inhibrx Reports Second Quarter 2021 Financial Results San Diego, CA, August 9, 2021 – Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development, today reported financial results for the second quarter of 2021. Financial Results •Cash and Cash Equivalents. As of June 30, 2021, Inhibrx had cash and cash equi

June 21, 2021 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 18, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number

June 21, 2021 EX-10.1

Third Amendment to Loan and Security Agreement, dated June 18, 2021, by and between the Company and Oxford Finance LLC

Exhibit 10.1 THIRD AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS THIRD AMENDMENT to Loan and Security Agreement (this ?Amendment?) is entered into as of June 18, 2021 (the ?Third Amendment Date?), by and among OXFORD FINANCE LLC, a Delaware limited liability company with an office located at 115 South Union Street, Suite 300, Alexandria, Virginia 22314 (?Oxford?), as collateral agent (in such capa

June 21, 2021 EX-99.2

Outcomes Focused Innovation Driven June 2021 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,” “pot

Outcomes Focused Innovation Driven June 2021 2 This presentation contains forward-looking statements.

June 21, 2021 EX-99.1

Inhibrx Initiates a Potential Registration-Enabling Phase 2 Study of INBRX-109 in Conventional Chondrosarcoma Patients, Updates Data for Ongoing Phase 1 Study and Announces Amended Loan Agreement with Oxford

EX-99.1 3 june2021chondropr.htm EX-99.1 EXHIBIT 99.1 Inhibrx Initiates a Potential Registration-Enabling Phase 2 Study of INBRX-109 in Conventional Chondrosarcoma Patients, Updates Data for Ongoing Phase 1 Study and Announces Amended Loan Agreement with Oxford –Median progression-free survival (PFS) of 7.6 months and disease control rate of 87.5% observed in conventional chondrosarcoma patients in

June 9, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 7, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number)

May 17, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L107 (CUSIP Number) May 17, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

May 13, 2021 EX-99.1

Inhibrx Reports First Quarter 2021 Financial Results

Exhibit 99.1 Inhibrx Reports First Quarter 2021 Financial Results San Diego, CA, May 13, 2021 ? Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development, today reported financial results for the first quarter of 2021. ?This past quarter, we continued to make significant progress advancing our clinical programs and are on track to deliver data from all four p

May 13, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark one)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX, INC.

May 13, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Number)

April 28, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14A-101) Schedule 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (a

April 28, 2021 DEF 14A

definitive proxy statement

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14A-101) Schedule 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the

March 12, 2021 EX-99.2

Outcomes Focused Innovation Driven March 2021 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,” “po

Outcomes Focused Innovation Driven March 2021 2 This presentation contains forward-looking statements.

March 12, 2021 EX-4.4

Description of the Registrant’s Securities.

Exhibit 4.4 DESCRIPTION OF INHIBRX, INC.?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 We have one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended, or the Exchange Act: common stock, $0.0001 par value per share. Unless the context otherwise requires, all references to ?we?, ?us?, the ?Company?, or ?Inhibrx?

March 12, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark one) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX, INC.

March 12, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 12, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numbe

March 12, 2021 EX-99.1

Inhibrx Reports Fourth Quarter and Fiscal Year 2020 Financial Results and Announces Phase 1 Single Agent Dose Escalation Results for INBRX-105, a Novel Targeted 4-1BB Agonist

Exhibit 99.1 Inhibrx Reports Fourth Quarter and Fiscal Year 2020 Financial Results and Announces Phase 1 Single Agent Dose Escalation Results for INBRX-105, a Novel Targeted 4-1BB Agonist San Diego, CA, March 12, 2021 ? Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development, today reported financial results for the fourth quarter and fiscal year 2020, and

February 16, 2021 SC 13G/A

SCHEDULE 13G/A (Amendment No. 1) INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d- 1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* Inhibrix, Inc. (Name of Issuer) Common stock,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 1) INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d- 1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* Inhibrix, Inc. (Name of Issuer) Common stock, $0.0001 par value per share (Title of Class of Securities) 45720L107 (CUSIP Nu

February 16, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L107 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule purs

February 12, 2021 SC 13G

Washington, D.C. 20549

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13d-2. (Amendment No. )* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2020 (Date o

February 12, 2021 SC 13G

Washington, D.C. 20549

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13d-2. (Amendment No. )* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2020 (Date o

February 12, 2021 SC 13G

Washington, D.C. 20549

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13d-2. (Amendment No. )* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2020 (Date o

February 12, 2021 SC 13G

Washington, D.C. 20549

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13d-2. (Amendment No. )* INHIBRX, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 45720L 107 (CUSIP Number) December 31, 2020 (Date o

February 9, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Inhibrx, Inc. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) (CUSIP Number) Dece

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Inhibrx, Inc. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 45720L107 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

January 19, 2021 S-8

- S-8

As filed with the Securities and Exchange Commission on January 19, 2021 REGISTRATION NO.

January 13, 2021 8-K

Financial Statements and Exhibits, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 13, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Num

January 13, 2021 EX-99.1

Inhibrx Granted Fast Track Designation for INBRX-109 for the Treatment of Unresectable or Metastatic Conventional Chondrosarcoma Patients Registration-enabling study expected to begin dosing in the second or third quarter of this year

EX-99.1 2 exhibit991pressreleasefpr1.htm EX-99.1 Exhibit 99.1 Inhibrx Granted Fast Track Designation for INBRX-109 for the Treatment of Unresectable or Metastatic Conventional Chondrosarcoma Patients Registration-enabling study expected to begin dosing in the second or third quarter of this year San Diego, CA, January 13, 2021 – Inhibrx, Inc. (Inhibrx), a clinical-stage biotechnology company with

January 5, 2021 EX-99.1

Inhibrx Announces Phase 1 Dose Escalation Results of INBRX-106, a Novel Hexavalent OX40 Agonist

EX-99.1 2 exhibit991pressrelease1520.htm EX-99.1 Exhibit 99.1 Inhibrx Announces Phase 1 Dose Escalation Results of INBRX-106, a Novel Hexavalent OX40 Agonist San Diego, CA January 5, 2021 – Inhibrx, Inc. (Inhibrx), a clinical-stage biotechnology company with a broad pipeline of biotherapeutics in development, announced today results from Part 1 of the Phase 1 dose escalation trial of INBRX-106, a

January 5, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2021 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numb

January 5, 2021 EX-99.2

Outcomes Focused Innovation Driven January 2021 2 This presentation contains forward-looking statements. In some cases, you can identify forward-looking statements by the words “will,” “expect,” “intend,” “plan,” “objective,” “believe,” “estimate,” “

Outcomes Focused Innovation Driven January 2021 2 This presentation contains forward-looking statements.

November 13, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 13, 2020 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Nu

November 13, 2020 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark one)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39452 INHIBRX, INC.

November 13, 2020 EX-99.1

Inhibrx Reports Financial Results for the Third Quarter 2020 and Announces Amended Loan Agreement with Oxford

Exhibit 99.1 Inhibrx Reports Financial Results for the Third Quarter 2020 and Announces Amended Loan Agreement with Oxford •Successful completion of initial public offering with net proceeds of $126 million; cash and cash equivalents of $128 million as of September 30th •Additional $20 million in cash with an additional future option of $20 million through Oxford loan amendment •First registration

November 13, 2020 EX-10.11

First Amendment to Loan and Security Agreement, dated November 12, 2020, by and between the Registrant and Oxford Finance LLC.

Exhibit 10.11 FIRST AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS FIRST AMENDMENT to Loan and Security Agreement (this “Amendment”) is entered into as of November 12, 2020 (the “First Amendment Date”), by and among OXFORD FINANCE LLC, a Delaware limited liability company with an office located at 133 North Fairfax Street, Alexandria, Virginia 22314 (“Oxford”), as collateral agent (in such capacity

November 12, 2020 EX-99.2

Innovation Driven Outcomes Focused November 2020 Presentation disclaimer The Company may not actually achieve the plans, intentions or expectations disclosed in its This presentation contains forward-looking statements. In some cases, you can forward

Innovation Driven Outcomes Focused November 2020 Presentation disclaimer The Company may not actually achieve the plans, intentions or expectations disclosed in its This presentation contains forward-looking statements.

November 12, 2020 EX-99.1

Inhibrx Announces Positive Interim Results from the Phase 1 Trial of INBRX-109 in Chondrosarcoma Patients •Disease control observed in 92% of patients •Conference call to be held today at 2:30pm PT

Exhibit 99.1 Inhibrx Announces Positive Interim Results from the Phase 1 Trial of INBRX-109 in Chondrosarcoma Patients ?Disease control observed in 92% of patients ?Conference call to be held today at 2:30pm PT San Diego, CA, November 11, 2020 ? Inhibrx, Inc. (Nasdaq: INBX), a biotechnology company with four clinical programs in development, announced updated interim results today from a Phase 1 c

November 12, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 11, 2020 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Nu

September 11, 2020 EX-99.1

Innovation Driven Outcomes Focused September 2020 Presentation disclaimer The Company may not actually achieve the plans, intentions or expectations disclosed in its This presentation contains forward-looking statements. In some cases, you can forwar

EX-99.1 2 inhibrxpresentationsepte.htm EX-99.1 Innovation Driven Outcomes Focused September 2020 Presentation disclaimer The Company may not actually achieve the plans, intentions or expectations disclosed in its This presentation contains forward-looking statements. In some cases, you can forward-looking statements, and you should not place undue reliance on the Company’s identify forward-looking

September 11, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 11, 2020 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File N

August 31, 2020 SC 13G

INBX / Inhibrx, Inc. / VIKING GLOBAL INVESTORS LP - ACQUISITION OF BENEFICIAL OWNERSHIP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d-1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* Inhibrx, Inc. (Name of Issuer) Common stock, $0.0001 par value per share (Title of Class of Securities) 45720L107 (CUSIP Number) August 21, 2020

August 21, 2020 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 21, 2020 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 001-39452 82-4257312 (State or other jurisdiction of incorporation) (Commission File Numb

August 21, 2020 EX-3.1

Amended and Restated Certificate of Incorporation

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF INHIBRX, INC. (originally incorporated on November 17, 2017 under the name Tenium Therapeutics, Inc.) FIRST: The name of the Corporation is Inhibrx, Inc. SECOND: The address of the Corporation’s registered office in the State of Delaware is 251 Little Falls Drive, in the City of Wilmington, New Castle County, Delaware 19808. The name

August 21, 2020 EX-3.2

Amended and Restated Bylaws

Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF INHIBRX, INC. TABLE OF CONTENTS Page ARTICLE I STOCKHOLDERS 1 1.1 Place of Meetings 1 1.2 Annual Meeting 1 1.3 Special Meetings 1 1.4 Notice of Meetings 1 1.5 Voting List 1 1.6 Quorum 1 1.7 Adjournments 2 1.8 Voting and Proxies 2 1.9 Action at Meeting 2 1.10 Nomination of Directors 2 1.11 Notice of Business at Annual Meetings 4 1.12 Conduct of Meetings 6

August 19, 2020 424B4

7,000,000 Shares Common Stock

Filed pursuant to Rule 424(b)(4) Registration Nos. 333-240135 and 333-248115 PROSPECTUS 7,000,000 Shares Common Stock We are offering 7,000,000 shares of our common stock. This is our initial public offering, and no public market currently exists for our common stock. The initial public offering price is $17.00 per share. Our common stock has been approved for listing on the Nasdaq Global Market u

August 19, 2020 S-8

- S-8

As filed with the Securities and Exchange Commission on August 19, 2019 REGISTRATION NO.

August 18, 2020 S-1MEF

- S-1MEF

As filed with the Securities and Exchange Commission on August 18, 2020. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 2836 82-4257312 (State or other jurisdiction of incorporation or organization) (Primary St

August 14, 2020 CORRESP

-

INHIBRX, INC. 11025 N. TORREY PINES ROAD, SUITE 200 LA JOLLA CA 92037 August 14, 2020 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attn: Ms. Mary Beth Breslin Ms. Laura Crotty Ms. Jeanne Bennett Ms. Kate Tillan RE: Inhibrx, Inc. Registration Statement on Form S-1 File No. 333-240135 Acceleration Request Requested Date:

August 14, 2020 8-A12B

- 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Inhibrx, Inc. (Exact name of registrant as specified in its charter) Delaware (State of incorporation or organization) 82-4257312 (I.R.S. Employer Identification No.) 11025 N. Torrey Pines Road,

August 14, 2020 CORRESP

-

August 14, 2020 United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

August 12, 2020 EX-10.5

Amended and Restated Executive Employment Agreement, effective as of August 7, 2020, by and between the Registrant and Klaus Wagner, M.D., Ph.D.

Exhibit 10.5 AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT This Amended and Restated Executive Employment Agreement (this “Agreement”) is effective as of August 7, 2020 (the “Effective Date”) by and between Inhibrx, Inc., a Delaware corporation (the “Company”), and Klaus Wagner (“Executive”). WHEREAS, Executive is currently employed by the Company, pursuant to the terms of that certain Execu

August 12, 2020 S-1/A

Power of Attorney (included on signature page to the Prior Registration Statement).

As filed with the Securities and Exchange Commission on August 12, 2020 . Registration No. 333-240135 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 2836 82-4257312 (State or other jurisdiction of incorporation or

August 12, 2020 EX-3.2

Form of Amended and Restated Certificate of Incorporation of the Registrant (to be effective upon completion of the offering).

Exhibit 3.2 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF INHIBRX, INC. (originally incorporated on November 17, 2017 under the name Tenium Therapeutics, Inc.) FIRST: The name of the Corporation is Inhibrx, Inc. SECOND: The address of the Corporation’s registered office in the State of Delaware is 251 Little Falls Drive, in the City of Wilmington, New Castle County, Delaware 19808. The name

August 12, 2020 EX-3.3

Certificate of Amendment to the Amended and Restated Certificate of Incorporation of the Registrant.

Exhibit 3.3 CERTIFICATE OF AMENDMENT TO FOURTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF INHIBRX, INC. (Pursuant to Section 242 of the General Corporation Law of the State of Delaware) Inhibrx, Inc., a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware (the “DGCL”), hereby certifies as follows: 1.The name of the Corporation is

August 12, 2020 EX-10.3

Amended and Restated Executive Employment Agreement, effective as of August 7, 2020, by and between the Registrant and Mark Lappe.

Exhibit 10.3 AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT This Amended and Restated Executive Employment Agreement (this “Agreement”) is effective as of August 7, 2020 (the “Effective Date”) by and between Inhibrx, Inc., a Delaware corporation (the “Company”), and Mark Lappe (“Executive”). WHEREAS, Executive is currently employed by the Company, pursuant to the terms of that certain Executi

August 12, 2020 EX-10.8

Executive Employment Agreement, effective as of August 7, 2020, by and between the Registrant and Kelly Deck

Exhibit 10.8 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (this “Agreement”) is effective as of August 7, 2020 (the “Effective Date”) by and between Inhibrx, Inc., a Delaware corporation (the “Company”), and Kelly Deck (“Executive”). 1.Roles and Duties. Subject to the terms and conditions of this Agreement, the Company shall employ Executive as its Chief Financial Officer rep

August 12, 2020 EX-1.1

Form of Underwriting Agreement.

Exhibit 1.1 [●] SHARES INHIBRX, INC. COMMON STOCK, PAR VALUE $0.0001 PER SHARE UNDERWRITING AGREEMENT [●], 2020 Jefferies LLC Evercore Group L.L.C. Credit Suisse Securities (USA) LLC c/o Jefferies LLC 520 Madison Avenue New York, New York 10022 c/o Evercore Group L.L.C. 55 East 52nd Street New York, New York 10055 c/o Credit Suisse Securities (USA) LLC Eleven Madison Avenue New York, New York 1001

August 12, 2020 EX-10.13

Amended and Restated 2017 Employee, Director and Consultant Equity Incentive Plan.

Exhibit 10.13 INHIBRX, INC. AMENDED AND RESTATED 2017 EMPLOYEE, DIRECTOR AND CONSULTANT EQUITY INCENTIVE PLAN 1. DEFINITIONS. Unless otherwise specified or unless the context otherwise requires, the following terms, as used in this Inhibrx, Inc. Amended and Restated 2017 Employee, Director and Consultant Equity Incentive Plan, have the following meanings: Administrator means the Board of Directors

August 12, 2020 EX-10.7

Amended and Restated Executive Employment Agreement, effective as of August 7, 2020, by and between the Registrant and Brendan Eckelman, Ph.D.

Exhibit 10.7 AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT This Amended and Restated Executive Employment Agreement (this “Agreement”) is effective as of August 7, 2020 (the “Effective Date”) by and between Inhibrx, Inc., a Delaware corporation (the “Company”), and Brendan Eckelman (“Executive”). WHEREAS, Executive is currently employed by the Company, pursuant to the terms of that certain E

August 5, 2020 CORRESP

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3580 Carmel Mountain Road Suite 300 San Diego, CA 92130 858 314 1500 mintz.com August 5, 2020 VIA EDGAR & OVERNIGHT MAIL Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Office of Healthcare & Insurance Re: Inhibrx, Inc. Registration Statement on Form S-1 Filed July 28, 2020 File No. 333-240135 Ladies and Gentlemen: We are subm

August 3, 2020 CORRESP

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Jeremy D. Glaser 858 314 1515 [email protected] 3580 Carmel Mountain Road Suite 300 San Diego, CA 92130 858 314 1500 mintz.com CERTAIN PORTIONS OF THIS LETTER AS FILED VIA EDGAR HAVE BEEN OMITTED AND FILED SEPARATELY WITH THE COMMISSION. CONFIDENTIAL TREATMENT HAS BEEN REQUESTED FOR THE OMITTED PORTIONS, WHICH HAVE BEEN REPLACED WITH THE PLACEHOLDER “[***].” August 3, 2020 VIA EDGAR AND COURIER S

July 28, 2020 EX-10.24

Form of Convertible Promissory Note, dated April 6, 2020, by and between the Registrant and each of DRAGSA 50 LLC and certain other investors.

Exhibit 10.24 THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR UNDER THE SECURITIES LAWS OF APPLICABLE STATES. THEY MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE ACT AND APPLICABLE STATE SECURITIES LAWS, PURSUANT TO REGISTRATION UNDER SUCH LAWS OR AN EXEMPTION FROM SUCH REGISTRATION REQUIREMENT. ANY PROPOSED TR

July 28, 2020 EX-10.27

Option and License Agreement, dated June 9, 2020, by and between the Registrant and bluebird bio, Inc.

Exhibit 10.27 [Pursuant to Item 601(b)(10) of Regulation S-K, certain confidential portions of this exhibit have been omitted by means of marking such portions with asterisks as the identified confidential portions (i) are not material and (ii) would be competitively harmful if publicly disclosed.] Option and License Agreement This Option and License Agreement (this “Agreement”), effective as of J

July 28, 2020 EX-4.2

Second Amended and Restated Investors’ Rights Agreement, dated April 6, 2020, by and among the Registrant and the investors named therein.

Exhibit 4.2 SECOND AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT TABLE OF CONTENTS Page 1. Definitions 1 2. Registration Rights 4 2.1 Demand Registration 4 2.2 Company Registration 5 2.3 Underwriting Requirements 5 2.4 Obligations of the Company 6 2.5 Furnish Information 7 2.6 Expenses of Registration 7 2.7 Delay of Registration 7 2.8 Indemnification 7 2.9 Reports Under Exchange Act 9 2.10 Limi

July 28, 2020 EX-10.28

Loan and Security Agreement, dated July 15, 2020, by and between the Registrant and Oxford Finance LLC.

Exhibit 10.28 LOAN AND SECURITY AGREEMENT THIS LOAN AND SECURITY AGREEMENT (as the same may from time to time be amended, modified, supplemented or restated, this “Agreement”) dated as of July 15, 2020 (the “Effective Date”) among OXFORD FINANCE LLC, a Delaware limited liability company with an office located at 133 North Fairfax Street, Alexandria, Virginia 22314 (“Oxford”), as collateral agent (

July 28, 2020 EX-10.23

Amendment to Convertible Promissory Note, dated April 6, 2020, by and between the Registrant and DRAGSA 50 LLC.

Exhibit 10.23 INHIBRX, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE This AMENDMENT (the “Amendment”) to that certain Convertible Promissory Note listed on Schedule A hereto (the “Note”) issued pursuant to the terms of that certain Note Purchase Agreement by and among the Inhibrx, Inc., a Delaware corporation (the “Company”) and DRAGSA 50 LLC (the “Investor”), dated as of May 20, 2019 (the “Purcha

July 28, 2020 EX-3.1

Fourth Amended and Restated Certificate of Incorporation of the Registrant (currently in effect).

Exhibit 3.1 FOURTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF INHIBRX, INC. Inhibrx, Inc., a corporation organized and existing under and by virtue of the provisions of the General Corporation Law of the State of Delaware (the “General Corporation Law”), DOES HEREBY CERTIFY: 1. The name of the corporation is Inhibrx, Inc. The corporation was originally incorporated under the name of Teni

July 28, 2020 EX-3.5

Form of Amended and Restated Bylaws of the Registrant (to be effective upon completion of this offering).

Exhibit 3.5 AMENDED AND RESTATED BYLAWS OF INHIBRX, INC. TABLE OF CONTENTS Page ARTICLE I STOCKHOLDERS 1 1.1 Place of Meetings 1 1.2 Annual Meeting 1 1.3 Special Meetings 1 1.4 Notice of Meetings 1 1.5 Voting List 1 1.6 Quorum 1 1.7 Adjournments 2 1.8 Voting and Proxies 2 1.9 Action at Meeting 2 1.10 Nomination of Directors 2 1.11 Notice of Business at Annual Meetings 4 1.12 Conduct of Meetings 6

July 28, 2020 EX-10.31

Non-Employee Director Compensation Policy

Exhibit 10.31 NON-EMPLOYEE DIRECTOR COMPENSATION POLICY INHIBRX, INC. The Board of Directors of Inhibrx, Inc. (the “Company”) has approved the following Non-Employee Director Compensation Policy (this “Policy”), which establishes compensation to be paid to non-employee directors of the Company, effective upon the completion of the Company’s initial public offering (“Effective Time”), to provide an

July 28, 2020 S-1

Registration Statement - S-1

As filed with the Securities and Exchange Commission on July 27, 2020. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 INHIBRX, INC. (Exact name of registrant as specified in its charter) Delaware 2836 82-4257312 (State or other jurisdiction of incorporation or organization) (Primary Stan

July 28, 2020 EX-10.9

Amended and Restated 2017 Employee, Director and Consultant Equity Incentive Plan (to be effective upon completion of this offering).

Exhibit 10.9 INHIBRX, INC. AMENDED AND RESTATED 2017 EMPLOYEE, DIRECTOR AND CONSULTANT EQUITY INCENTIVE PLAN 1. DEFINITIONS. Unless otherwise specified or unless the context otherwise requires, the following terms, as used in this Inhibrx, Inc. Amended and Restated 2017 Employee, Director and Consultant Equity Incentive Plan, have the following meanings: Administrator means the Board of Directors,

July 28, 2020 EX-3.2

Form of Amended and Restated Certificate of Incorporation of the Registrant (to be effective upon completion of the offering).

Exhibit 3.2 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF INHIBRX, INC. (originally incorporated on November 17, 2017 under the name Tenium Therapeutics, Inc.) FIRST: The name of the Corporation is Inhibrx, Inc. SECOND: The address of the Corporation’s registered office in the State of Delaware is 251 Little Falls Drive, in the City of Wilmington, New Castle County, Delaware 19808. The name

July 28, 2020 EX-10.1

Form of Indemnification Agreement.

Exhibit 10.1 INDEMNIFICATION AGREEMENT THIS INDEMNIFICATION AGREEMENT (“Agreement”) is made as of [l], by and between INHIBRX, INC., a Delaware corporation (the “Company”), and [l] (the “Indemnitee”). This Agreement supersedes and replaces any and all previous agreements between the Company and Indemnitee covering the subject matter of this Agreement. RECITALS WHEREAS, highly competent persons hav

July 28, 2020 EX-4.6

Form of Warrant to Purchase Stock by and between the Registrant and Oxford Finance LLC.

Exhibit 4.6 THIS WARRANT AND THE SHARES ISSUABLE HEREUNDER HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR THE SECURITIES LAWS OF ANY STATE AND, EXCEPT AS SET FORTH IN SECTIONS 5.3 AND 5.4 BELOW, MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED UNLESS AND UNTIL REGISTERED UNDER SAID ACT AND LAWS OR, IN THE OPINION OF LEGAL COUNSEL IN FORM AND SUBSTAN

July 28, 2020 EX-4.5

Second Amendment to Right of First Refusal and Co-Sale Agreement, dated April 6, 2020, by and among the Registrant and the investors named therein.

Exhibit 4.5 SECOND AMENDMENT TO RIGHT OF FIRST REFUSAL AND CO-SALE AGREEMENT THIS SECOND AMENDMENT TO RIGHT OF FIRST REFUSAL AND CO-SALE AGREEMENT (this “Amendment”), is made and effective as of April 6, 2020 (the “Effective Date”), to amend that certain Right of First Refusal and Co-Sale Agreement, dated as of April 30, 2018, as amended by that First Amendment to Right of First Refusal and Co-Sal

July 28, 2020 EX-10.30

Amendment No. 1 to Amended and Restated Master Services Agreement, dated December 11, 2019, by and between the Registrant and WuXi Biologics (Hong Kong) Limited.

Exhibit 10.30 [Pursuant to Item 601(b)(10) of Regulation S-K, certain confidential portions of this exhibit have been omitted by means of marking such portions with asterisks as the identified confidential portions (i) are not material and (ii) would be competitively harmful if publicly disclosed.] Amendment No. 1 to Amended and Restated Master Services Agreement This Amendment No. 1 (this “Amendm

July 27, 2020 CORRESP

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3580 Carmel Mountain Road Suite 300 San Diego, CA 92130 858 314 1500 mintz.com July 27, 2020 VIA EDGAR & OVERNIGHT MAIL Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Office of Healthcare & Insurance Re: Inhibrx, Inc. Draft Registration Statement on Form S-1 Submitted June 26, 2020 CIK No. 0001739614 (the “Draft Registration

June 26, 2020 EX-3.5

AMENDED AND RESTATED BYLAWS OF INHIBRX, INC. TABLE OF CONTENTS Page ARTICLE I STOCKHOLDERS 1 1.1 Place of Meetings 1 1.2 Annual Meeting 1 1.3 Special Meetings 1 1.4 Notice of Meetings 1 1.5 Voting List 1 1.6 Quorum 1 1.7 Adjournments 2 1.8 Voting and

EX-3.5 3 filename3.htm Exhibit 3.5 AMENDED AND RESTATED BYLAWS OF INHIBRX, INC. TABLE OF CONTENTS Page ARTICLE I STOCKHOLDERS 1 1.1 Place of Meetings 1 1.2 Annual Meeting 1 1.3 Special Meetings 1 1.4 Notice of Meetings 1 1.5 Voting List 1 1.6 Quorum 1 1.7 Adjournments 2 1.8 Voting and Proxies 2 1.9 Action at Meeting 2 1.10 Nomination of Directors 2 1.11 Notice of Business at Annual Meetings 4 1.12

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