PRKR / ParkerVision, Inc. - Pemfailan SEC, Laporan Tahunan, Penyata Proksi

ParkerVision, Inc.
US ˙ OTCPK ˙ US7013543001

Statistik Asas
CIK 914139
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 ParkerVision, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan senarai kronologi lengkap bagi Pemfailan SEC, tidak termasuk pemfailan pemilikan yang kami sediakan di tempat lain.
August 18, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT 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 ☐ Confide

August 18, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT 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 ☐ Confide

August 12, 2025 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 69 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

August 12, 2025 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 36 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

August 12, 2025 EX-99.1

ParkerVision Reports Second Quarter 2025 Results

Exhibit 99.1 ParkerVision Reports Second Quarter 2025 Results JACKSONVILLE, Fla., August 12, 2025 – ParkerVision, Inc. (OTCQB: PRKR) (“ParkerVision” or the "Company"), a developer and marketer of technologies and products for wireless applications, today announced results for the three and six months ended June 30, 2025. 2025 Summary and Recent Developments ● The federal district court in Orlando

August 12, 2025 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 75 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

August 12, 2025 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 25 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

August 12, 2025 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 63 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

August 12, 2025 10-Q

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

Table of Contents 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, 2025 ☐ 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 000-22

August 12, 2025 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 43 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

August 12, 2025 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 48 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

August 12, 2025 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 75 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

August 12, 2025 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 12, 2025 PARKERVISION, 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): August 12, 2025 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Numb

August 12, 2025 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 56 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

June 23, 2025 S-8

As filed with the Securities and Exchange Commission on June 23, 2025

As filed with the Securities and Exchange Commission on June 23, 2025 Registration No.

June 23, 2025 EX-FILING FEES

Calculation of Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-8 (Form Type) ParkerVision, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Newly

June 16, 2025 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 62 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

June 16, 2025 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 74 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

June 16, 2025 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): June 10, 2025 PARKERVISION, 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): June 10, 2025 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Number

June 16, 2025 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 42 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

June 16, 2025 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 35 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

June 16, 2025 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 55 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

June 16, 2025 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 74 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

June 16, 2025 EX-10.1

2019 Long-Term Incentive Plan, as amended effective June 10, 2025

Exhibit 10.1 Note: This document reflects the ParkerVision, Inc. 2019 Long-Term Incentive Plan, conformed to include an amendment approved by the Board of Directors on June 10, 2025, increasing the number of shares of common stock reserved for issuance under the plan from 30,000,000 to 45,000,000 shares. No other changes have been made to the plan. PARKERVISION, INC. 2019 Long Term Incentive Plan

June 16, 2025 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 24 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

June 16, 2025 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 47 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

June 16, 2025 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 68 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

May 23, 2025 CORRESP

PARKERVISION, INC. 4446-1A Hendricks Avenue, Suite 354 Jacksonville, Florida 32207 May 23, 2025

PARKERVISION, INC. 4446-1A Hendricks Avenue, Suite 354 Jacksonville, Florida 32207 May 23, 2025 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street N.E. Washington, D.C. 20549 Attention: Erin Donahue Re: ParkerVision, Inc. Registration Statement on Form S-3 File No. 333-287427 REQUEST FOR ACCELERATION OF EFFECTIVENESS ParkerVision, Inc. (the “Company”) he

May 20, 2025 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-3 (Form Type) ParkerVision, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (1) Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Newl

May 20, 2025 S-3

As filed with the Securities and Exchange Commission on May 20, 2025

Table of Contents As filed with the Securities and Exchange Commission on May 20, 2025 Registration No.

May 13, 2025 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 13, 2025 PARKERVISION, 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): May 13, 2025 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Number)

May 13, 2025 10-Q

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

Table of Contents 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, 2025 ☐ 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 000-2

May 13, 2025 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 73 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

May 13, 2025 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 46 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

May 13, 2025 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 54 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

May 13, 2025 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 67 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

May 13, 2025 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 73 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

May 13, 2025 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 61 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

May 13, 2025 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 23 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

May 13, 2025 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 41 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

May 13, 2025 EX-99.1

ParkerVision Reports First Quarter 2025 Results

Exhibit 99.1 ParkerVision Reports First Quarter 2025 Results JACKSONVILLE, Fla., May 13, 2025 – ParkerVision, Inc. (OTCQB: PRKR) (“ParkerVision” or the "Company"), a developer and marketer of technologies and products for wireless applications, today announced results for the three months ended March 31, 2025. 2025 Summary and Recent Developments ● The district court in the Middle District of Flor

May 13, 2025 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 34 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

April 25, 2025 424B3

PARKERVISION, INC. 13,000,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-286486 Prospectus PARKERVISION, INC. 13,000,000 Shares of Common Stock This prospectus relates to the resale by the selling shareholders listed under the heading “Selling Shareholders” of up to 13,000,000 shares of our common stock, par value $0.01 per share (“Common Stock”) consisting of (i) an aggregate of 10,000,000 shares of Common Stock an

April 21, 2025 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 72 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

April 21, 2025 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 66 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

April 21, 2025 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 53 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

April 21, 2025 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 72 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

April 21, 2025 CORRESP

PARKERVISION, INC. 4446-1A Hendricks Avenue, Suite 354 Jacksonville, Florida 32207 April 21, 2025

PARKERVISION, INC. 4446-1A Hendricks Avenue, Suite 354 Jacksonville, Florida 32207 April 21, 2025 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street N.E. Washington, D.C. 20549 Attention: Eranga Dias Re: ParkerVision, Inc. Registration Statement on Form S-3 File No. 333-286486 REQUEST FOR ACCELERATION OF EFFECTIVENESS ParkerVision, Inc. (the “Company”) h

April 21, 2025 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 40 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

April 21, 2025 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 22 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

April 21, 2025 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 60 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

April 21, 2025 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 33 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

April 21, 2025 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): April 15, 2025 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

April 21, 2025 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 45 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

April 14, 2025 DEL AM

PARKERVISION, INC. 4446-1A Hendricks Avenue, Suite 354 Jacksonville, Florida 32207

PARKERVISION, INC. 4446-1A Hendricks Avenue, Suite 354 Jacksonville, Florida 32207 April 14, 2025 VIA EDGAR Securities and Exchange Commission Division of Corporate Finance 100 F. Street, N.E. Washington, DC 20549 Re: Delaying Amendment for Registration Statement on Form S-3 (File No. 333-286486) Ladies and Gentlemen: Pursuant to Rule 473(c) of the Securities Act of 1933, as amended (the “Securiti

April 11, 2025 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-3 (Form Type) ParkerVision, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (1) Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Newl

April 11, 2025 S-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 PARKERVISION, INC. (Exact Name of Registrant as Specified in Its Charter)

Table of Contents As filed with the Securities and Exchange Commission on April , 2025 Registration No.

March 25, 2025 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 32 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

March 25, 2025 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 71 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

March 25, 2025 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 71 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

March 25, 2025 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 65 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

March 25, 2025 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 52 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

March 25, 2025 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 39 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

March 25, 2025 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 59 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

March 25, 2025 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 21 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

March 25, 2025 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 44 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

March 24, 2025 EX-10.24

Amended Convertible Promissory Note between Registrant and Ingalls & Snyder dated September 19, 2018, as amended and restated on September 15, 2023

EX-10.24 2 ex793010.htm AMENDED CONVERTIBLE PROMISSORY NOTE BETWEEN REGISTRANT AND INGALLS & SNYDER DATED SEPTEMBER 19, 2018, AS AMENDED AND RESTATED ON SEPTEMBER 15, 2023 Exhibit 10.24 NEITHER THIS NOTE NOR THE SECURITIES ISSUABLE UPON CONVERSION OF THIS NOTE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FR

March 24, 2025 EX-99.1

ParkerVision Reports 2024 Results

Exhibit 99.1 ParkerVision Reports 2024 Results JACKSONVILLE, Fla., March 24, 2025 – ParkerVision, Inc. (OTCQB: PRKR) (“ParkerVision”), a developer and marketer of technologies and products for wireless applications, today announced results for the year ended December 31, 2024. Year End 2024 Summary and Recent Developments ● The U.S Court of Appeals for the Federal Circuit ("CAFC") overturned the f

March 24, 2025 10-K

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

Table of Contents 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, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES ACT OF 1934 For the transition period from to Commission file number 000-22904 PARKER

March 24, 2025 EX-19.1

Corporate Policy on Insider Trading

Exhibit 19.1 PARKERVISION POLICY ON INSIDER TRADING This Insider Trading Policy describes the standards of ParkerVision (the "Company") on trading, and causing the trading of, the Company's securities or securities of certain other publicly traded companies while in possession of confidential information. This Policy applies to all Covered Persons as defined in Part I, Section 1 below. One of the

March 24, 2025 EX-10.25

Amended Convertible Promissory Note between Registrant and Ingalls & Snyder dated March 13, 2019, as amended and restated on September 15, 2023

Exhibit 10.25 NEITHER THIS NOTE NOR THE SECURITIES ISSUABLE UPON CONVERSION OF THIS NOTE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATI

March 24, 2025 EX-10.26

Amended Convertible Promissory Note between Registrant and Steven G. Lampe dated March 13, 2019, as amended and restated on September 15, 2023

Exhibit 10.26 NEITHER THIS NOTE NOR THE SECURITIES ISSUABLE UPON CONVERSION OF THIS NOTE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATI

March 24, 2025 EX-21.1

Schedule of Subsidiaries

Exhibit 21.1 Schedule of Subsidiaries The registrant has no subsidiaries as of December 31, 2024.

March 24, 2025 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): March 24, 2025 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

January 30, 2025 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): January 30, 2025 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Num

January 30, 2025 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 20 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

January 30, 2025 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 64 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

January 30, 2025 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 58 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

January 30, 2025 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 38 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

January 30, 2025 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 43 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

January 30, 2025 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 70 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

January 30, 2025 EX-99.1

ParkerVision Launches “Against the Giants” Video Series Highlighting Ongoing Litigation

Exhibit 99.1 NEWS RELEASE ParkerVision Launches “Against the Giants” Video Series Highlighting Ongoing Litigation JACKSONVILLE, Florida, January 30, 2025 - ParkerVision, Inc. (“the Company”) (OTCQB: PRKR) announced today the release of the first episode in its four-part video series, Against the Giants. The series, available exclusively on the newly created @AgainstGiants X (formerly Twitter) and

January 30, 2025 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 31 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

January 30, 2025 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 51 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

January 30, 2025 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 70 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

January 17, 2025 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 42 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

January 17, 2025 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 57 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

January 17, 2025 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 63 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

January 17, 2025 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 69 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

January 17, 2025 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): January 15, 2025 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Num

January 17, 2025 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 19 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

January 17, 2025 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 69 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

January 17, 2025 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 30 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

January 17, 2025 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 50 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

January 17, 2025 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 37 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

December 31, 2024 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 18 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

December 31, 2024 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 36 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

December 31, 2024 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 49 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

December 31, 2024 EX-10.3

Form of Warrant

Exhibit 10.3 THIS WARRANT HAS BEEN ACQUIRED AS AN INVESTMENT. NEITHER THIS SECURITY NOR THE SECURITIES FOR WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFER

December 31, 2024 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 68 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

December 31, 2024 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 62 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

December 31, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 56 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

December 31, 2024 EX-10.1

Form of Securities Purchase Agreement between Registrant and Accredited Investors (incorporated by reference from Exhibit 10.1 of Current Report on Form 8-K filed December 31, 2024)

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of December [●], 2024 between ParkerVision, Inc., a Florida corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively, the “Purchasers”). WHEREAS, subject to the terms and conditions s

December 31, 2024 EX-10.4

List of Accredited Investors to December 24, 2024 and December 30, 2024 Subscription Agreements (incorporated by reference from Exhibit 10.4 of Current Report on Form 8-K filed December 31, 2024)

Exhibit 10.4 Schedule of Investors Date Investor Subscription Amount Shares Warrants December 24, 2024 Harold Wrobel $ 2,779,201 5,558,402 1,000,000 December 24, 2024 Key Properties, Inc. $ 200,000 400,000 - December 30, 2024 Thomas Staz Revocable Trust $ 2,020,799 4,041,598 1,000,000 Total $ 5,000,000 10,000,000 2,000,000

December 31, 2024 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 41 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

December 31, 2024 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 68 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

December 31, 2024 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 29 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

December 31, 2024 EX-10.2

Form of Registration Rights Agreement between Registrant and Accredited Investors (incorporated by reference from Exhibit 10.2 of Current Report on Form 8-K filed December 31, 2024)

Exhibit 10.2 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this “Agreement”) is made and entered into as of December [●], 2024, between ParkerVision, Inc., a Florida corporation (the “Company”), and each of the several purchasers signatory hereto (each such purchaser, a “Purchaser” and, collectively, the “Purchasers”). This Agreement is made pursuant to the Securities Purchase

December 31, 2024 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, 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): December 24, 2024 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Nu

December 20, 2024 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 67 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

December 20, 2024 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 40 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

December 20, 2024 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 61 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

December 20, 2024 8-K

Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant

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 17, 2024 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Nu

December 20, 2024 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 48 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

December 20, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 55 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

December 20, 2024 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

424B3 1 prkr20241219i424b3.htm FORM 424B3 Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 28 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the sel

December 20, 2024 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 35 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

December 20, 2024 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 17 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

December 20, 2024 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 67 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

November 14, 2024 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 47 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

November 14, 2024 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 66 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

November 14, 2024 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

424B3 1 prkr20241113424b3.htm FORM 424B3 Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 66 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the sellin

November 14, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

424B3 1 prkr20241114424b3.htm FORM 424B3 Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 54 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the sellin

November 14, 2024 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 39 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

November 14, 2024 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 27 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

November 14, 2024 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 16 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

November 14, 2024 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

424B3 1 prkr20241113d424b3.htm FORM 424B3 Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 60 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by th

November 14, 2024 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 34 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

November 13, 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): November 13, 2024 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Nu

November 13, 2024 EX-99.1

ParkerVision Reports Third Quarter 2024 Results

Exhibit 99.1 ParkerVision Reports Third Quarter 2024 Results JACKSONVILLE, Fla., November 13, 2024 – ParkerVision, Inc. (OTCQB: PRKR) (“ParkerVision” or the "Company"), a developer and marketer of technologies and products for wireless applications, today announced results for the three and nine months ended September 30, 2024. 2024 Summary and Recent Developments ● In September 2024, the Company

November 13, 2024 10-Q

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

Table of Contents 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, 2024 ☐ 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 0

November 8, 2024 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A 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 1, 2024 PARKERVISION,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A 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 1, 2024 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File N

November 7, 2024 EX-16.1

Letter from MSL, P.A. to the Securities and Exchange Commission dated November 7, 2024

EXHIBIT 16.1 November 7, 2024 Securities and Exchange Commission 100 F. Street N.E. Washington, DC 20549 Ladies and Gentlemen: We have read Item 4.01 of Form 8-K being filed November 7, 2024, of ParkerVision, Inc. and agree with the statements made therein concerning MSL, P.A. We have no basis to agree or disagree with other statements made by the registrant contained therein. Very truly yours, /s

November 7, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 53 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

November 7, 2024 8-K

Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant

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 1, 2024 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Num

November 7, 2024 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 65 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

November 7, 2024 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 15 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

November 7, 2024 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 33 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

November 7, 2024 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 26 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

November 7, 2024 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 46 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

November 7, 2024 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 65 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

November 7, 2024 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 59 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

November 7, 2024 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 38 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

November 1, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

424B3 1 prkr20241031e424b3.htm FORM 424B3 Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 52 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selli

November 1, 2024 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 32 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

November 1, 2024 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 14 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

November 1, 2024 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

424B3 1 prkr20241031f424b3.htm FORM 424B3 Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 45 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the

November 1, 2024 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

424B3 1 prkr20241031g424b3.htm FORM 424B3 Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 37 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selli

November 1, 2024 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 25 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

November 1, 2024 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 64 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

November 1, 2024 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

424B3 1 prkr20241031d424b3.htm FORM 424B3 Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 58 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by th

November 1, 2024 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 64 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

October 31, 2024 EX-3.1

Articles of Amendment to Amended and Restated Articles of Incorporation dated October 28, 2024

Exhibit 3.1 ARTICLES OF AMENDMENT TO AMENDED AND RESTATED ARTICLES OF INCORPORATION OF PARKERVISION, INC. Pursuant to Section 607.1006 of the Florida 1989 Business Corporation Law FIRST: The name of the Corporation is ParkerVision, Inc. SECOND: This amendment to the Amended and Restated Articles of Incorporation of the Corporation was approved and adopted, as prescribed by Section 607.1003 of the

October 31, 2024 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, 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): October 28, 2024 -12-31 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission F

September 12, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT 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 ☐ Confide

September 12, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT 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 ☐ Confide

September 6, 2024 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 63 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

September 6, 2024 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 57 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

September 6, 2024 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 13 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

September 6, 2024 EX-99.1

ParkerVision v Qualcomm Sent Back to Florida for Trial After Appellate Court Overturns District Court in a Precedential Ruling ParkerVision Resumes Decade-Long Legal Fight

Exhibit 99.1 NEWS RELEASE ParkerVision v Qualcomm Sent Back to Florida for Trial After Appellate Court Overturns District Court in a Precedential Ruling ParkerVision Resumes Decade-Long Legal Fight JACKSONVILLE, Florida, September 6, 2024 - ParkerVision, Inc. (the “Company”) (OTC:PRKR) announced today that the United States Court of Appeals for the Federal Circuit (“CAFC”) has issued a favorable r

September 6, 2024 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 6, 2024 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Nu

September 6, 2024 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 36 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

September 6, 2024 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 63 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

September 6, 2024 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 24 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

September 6, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 51 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

September 6, 2024 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 44 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

September 6, 2024 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 31 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

August 30, 2024 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT 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 ☐ Confide

August 14, 2024 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 30 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

August 14, 2024 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 62 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

August 14, 2024 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 56 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

August 14, 2024 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 23 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

August 14, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 50 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

August 14, 2024 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 62 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

August 14, 2024 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 43 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

August 14, 2024 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 12 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

August 14, 2024 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 35 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

August 13, 2024 10-Q

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

Table of Contents 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, 2024 ☐ 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 000-22

August 13, 2024 EX-99.1

ParkerVision Reports Second Quarter 2024 Results

Exhibit 99.1 ParkerVision Reports Second Quarter 2024 Results JACKSONVILLE, Fla., August 13, 2024 – ParkerVision, Inc. (OTCQB: PRKR) (“ParkerVision” or the "Company"), a developer and marketer of technologies and products for wireless applications, today announced results for the six months ended June 30, 2024. 2024 Summary and Recent Developments ● The Company is awaiting a decision from the Unit

August 13, 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): August 13, 2024 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Numb

July 12, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 49 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

July 12, 2024 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): July 8, 2024 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Number)

July 12, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 49 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

July 12, 2024 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 34 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

July 12, 2024 EX-10.2

Amended and Restated Convertible Promissory Note dated January 8, 2020 between Registrant and GEM LP (incorporated by reference from Exhibit 10.2 of Current Report on Form 8-K filed July 12, 2024)

Exhibit 10.2 NEITHER THIS NOTE NOR THE SECURITIES ISSUABLE UPON CONVERSION OF THIS NOTE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATIO

July 12, 2024 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 42 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

July 12, 2024 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 29 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

July 12, 2024 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 61 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

July 12, 2024 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 11 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

July 12, 2024 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 61 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

July 12, 2024 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 55 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

July 12, 2024 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 22 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

July 12, 2024 EX-10.3

Amended and Restated Convertible Promissory Note dated January 13, 2023 between Registrant and GEM LP (incorporated by reference from Exhibit 10.3 of Current Report on Form 8-K filed July 12, 2024)

Exhibit 10.3 NEITHER THIS NOTE NOR THE SECURITIES ISSUABLE UPON CONVERSION OF THIS NOTE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATIO

July 12, 2024 EX-10.4

Amendment to July 15, 2019 Convertible Note between Registrant and Lloyd Moriber

Exhibit 10.4 PARKERVISION, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE CONVERTIBLE PROMISSORY NOTE AMENDMENT AGREEMENT (the “Amendment”), dated as of July 9, 2024, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and Lloyd Moriber (the “Holder”). WHEREAS, Holder is the holder of a convertible promissory note (No. PV 2019-020) dated July 15, 2019 (the “Existing Note”) wit

July 12, 2024 EX-10.1

Amended and Restated Convertible Promissory Note dated July 18, 2019 between Registrant and GEM LP (incorporated by reference from Exhibit 10.1 of Current Report on Form 8-K filed July 12, 2024)

Exhibit 10.1 NEITHER THIS NOTE NOR THE SECURITIES ISSUABLE UPON CONVERSION OF THIS NOTE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATIO

June 7, 2024 EX-10.1

Amendment to Convertible Note dated June 7, 2019 between Registrant and Mark Fisher (incorporated by reference from Exhibit 10.1 of Current Report on Form 8-K filed June 7, 2024)

Exhibit 10.1 PARKERVISION, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE CONVERTIBLE PROMISSORY NOTE AMENDMENT AGREEMENT (the “Amendment”), dated as of June 3, 2024, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and MARK FISHER (the “Holder”). WHEREAS, Holder is the holder of a convertible promissory note (No. PV 2019-009) dated June 7, 2019 (the “Existing Note”) with a

June 7, 2024 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 21 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

June 7, 2024 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 41 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

June 7, 2024 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 60 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

June 7, 2024 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 33 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

June 7, 2024 EX-10.2

Amendment to Convertible Note dated July 18, 2019 between Registrant and Mark Fisher (incorporated by reference from Exhibit 10.2 of Current Report on Form 8-K filed June 7, 2024)

Exhibit 10.2 PARKERVISION, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE CONVERTIBLE PROMISSORY NOTE AMENDMENT AGREEMENT (the “Amendment”), dated as of June 3, 2024, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and MARK FISHER (the “Holder”). WHEREAS, Holder is the holder of a convertible promissory note (No. PV 2019-022) dated July 18, 2019 (the “Existing Note”) with

June 7, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 48 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

June 7, 2024 EX-10.3

Amendment to Convertible Note dated July 18, 2019 between Registrant and Stephen Hanson (incorporated by reference from Exhibit 10.3 of Current Report on Form 8-K filed June 7, 2024)

Exhibit 10.3 PARKERVISION, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE CONVERTIBLE PROMISSORY NOTE AMENDMENT AGREEMENT (the “Amendment”), dated as of June 3, 2024, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and STEPHEN HANSON (the “Holder”). WHEREAS, Holder is the holder of a convertible promissory note (No. PV 2019-023) dated July 18, 2019 (the “Existing Note”) wi

June 7, 2024 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 10 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up

June 7, 2024 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 60 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

June 7, 2024 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 54 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

June 7, 2024 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 28 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

June 7, 2024 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 3, 2024 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Number)

May 15, 2024 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 9 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up t

May 15, 2024 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 53 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

May 15, 2024 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 27 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

May 15, 2024 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 59 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

May 15, 2024 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 40 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

May 15, 2024 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 20 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

May 15, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 47 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

May 15, 2024 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 59 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

May 15, 2024 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 32 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

May 14, 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 14, 2024 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Number)

May 14, 2024 EX-10.4

Amendment to Convertible Note dated May 10, 2022 between Registrant and Lewis Titterton

Exhibit 10.4 PARKERVISION, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE CONVERTIBLE PROMISSORY NOTE AMENDMENT AGREEMENT (the “Amendment”), dated as of May 10, 2024, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and LEWIS H. TITTERTON (the “Holder”). WHEREAS, Holder is the holder of a convertible promissory note (No. PV 2022-001) dated May 10, 2022 (the “Existing Note”)

May 14, 2024 EX-10.6

Amendment to Convertible Note dated September 15, 2023 between Registrant and Paul Rosenbaum

Exhibit 10.6 PARKERVISION, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE CONVERTIBLE PROMISSORY NOTE AMENDMENT AGREEMENT (the “Amendment”), dated as of May 10, 2024, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and PAUL A. ROSENBAUM (the “Holder”). WHEREAS, Holder is the holder of a convertible promissory note (No. PV 002-23) dated September 15, 2023 (the “Existing Not

May 14, 2024 EX-10.5

Amendment to Convertible Note dated May 10, 2022 between Registrant and Paul Rosenbaum

Exhibit 10.5 PARKERVISION, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE CONVERTIBLE PROMISSORY NOTE AMENDMENT AGREEMENT (the “Amendment”), dated as of May 10, 2024, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and PAUL A. ROSENBAUM (the “Holder”). WHEREAS, Holder is the holder of a convertible promissory note (No. PV 2022-002) dated May 10, 2022 (the “Existing Note”)

May 14, 2024 10-Q

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

Table of Contents 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 ☐ 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 000-2

May 14, 2024 EX-10.3

Amendment to Convertible Note dated January 8, 2020 between Registrant and Lewis Titterton

Exhibit 10.3 PARKERVISION, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE CONVERTIBLE PROMISSORY NOTE AMENDMENT AGREEMENT (the “Amendment”), dated as of May 10, 2024, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and LEWIS H. TITTERTON (the “Holder”). WHEREAS, Holder is the holder of a convertible promissory note (No. PV 2020-002) dated January 8, 2020 (the “Existing Not

May 14, 2024 EX-10.7

Amendment to Convertible Note dated August 3, 2022 between Registrant and Sanford Litvack

Exhibit 10.7 PARKERVISION, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE CONVERTIBLE PROMISSORY NOTE AMENDMENT AGREEMENT (the “Amendment”), dated as of May 10, 2024, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and SANFORD M. LITVACK (the “Holder”). WHEREAS, Holder is the holder of a convertible promissory note (No. PV 2022-014) dated August 3, 2022 (the “Existing Note

May 14, 2024 EX-10.1

Amendment to Convertible Note dated June 19, 2019 between Registrant and Lewis Titterton

Exhibit 10.1 PARKERVISION, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE CONVERTIBLE PROMISSORY NOTE AMENDMENT AGREEMENT (the “Amendment”), dated as of May 10, 2024, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and LEWIS H. TITTERTON (the “Holder”). WHEREAS, Holder is the holder of a convertible promissory note (No. PV 2019-018) dated June 19, 2019 (the “Existing Note”

May 14, 2024 EX-10.2

Amendment to Convertible Note dated September 13, 2019 between Registrant and Lewis Titterton

Exhibit 10.2 PARKERVISION, INC. AMENDMENT TO CONVERTIBLE PROMISSORY NOTE CONVERTIBLE PROMISSORY NOTE AMENDMENT AGREEMENT (the “Amendment”), dated as of May 10, 2024, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and LEWIS H. TITTERTON (the “Holder”). WHEREAS, Holder is the holder of a convertible promissory note (No. PV 2019-024) dated September 13, 2019 (the “Existing

May 14, 2024 EX-99.1

ParkerVision Reports First Quarter 2024 Results

Exhibit 99.1 ParkerVision Reports First Quarter 2024 Results JACKSONVILLE, Fla., May 14, 2024 – ParkerVision, Inc. (OTCQB: PRKR) (“ParkerVision” or the "Company"), a developer and marketer of technologies and products for wireless applications, today announced results for the three months ended March 31, 2024. 2024 Summary and Recent Developments ● The Company is awaiting a decision from the Unite

March 22, 2024 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 58 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

March 22, 2024 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 31 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

March 22, 2024 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 52 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

March 22, 2024 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 19 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

March 22, 2024 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 8 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up t

March 22, 2024 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 39 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

March 22, 2024 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

424B3 1 prkr20240322g424b3.htm FORM 424B3 Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 46 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selli

March 22, 2024 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 26 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

March 22, 2024 424B3

PARKERVISION, INC. 17,189,660 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 58 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 17,189,660 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prospectus of

March 21, 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): March 21, 2024 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

March 21, 2024 10-K

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

Table of Contents 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 ACT OF 1934 For the transition period from to Commission file number 000-22904 PARKER

March 21, 2024 EX-99.1

ParkerVision Reports 2023 Results

Exhibit 99.1 ParkerVision Reports 2023 Results JACKSONVILLE, Fla., March 21, 2024 – ParkerVision, Inc. (OTCQB: PRKR) (“ParkerVision”), a developer and marketer of technologies and products for wireless applications, today announced results for the year ended December 31, 2023. Year End 2023 Summary and Recent Developments ● Since 2021, the Company has resolved patent infringement actions filed in

February 28, 2024 SC 13G/A

PRKR / ParkerVision, Inc. / Gem Investment Advisors, LLC - AMENDMENT NO. 15 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 15)* ParkerVision, Inc. (Name of Issuer) Common Stock, par value $.01 (Title of Class of Securities) 701354102 (CUSIP Number) December 31, 2023 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant t

December 22, 2023 424B3

PARKERVISION, INC. 13,342,953 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-255217 PROSPECTUS SUPPLEMENT No. 30 (to Prospectus dated April 26, 2021) PARKERVISION, INC. 13,342,953 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 26, 2021, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

December 22, 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): December 18, 2023 PARKERVISION, I

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 18, 2023 PARKERVISION, INC. (Exact Name of Registrant as Specified in Charter) Florida 000-22904 59-2971472 (State or Other Jurisdiction of Incorporation) (Commission File Nu

December 22, 2023 EX-10.1

Common Stock Purchase Warrant Amendment dated December 18, 2023

Exhibit 10.1 COMMON STOCK PURCHASE WARRANT AMENDMENT COMMON STOCK PURCHASE WARRANT AMENDMENT (this “Amendment”), dated as of December 18, 2023, by and between PARKERVISION, INC., a Florida corporation (the “Company”), and BRICKELL KEY INVESTMENTS, LP, a Delaware limited liability company (“Brickell”). Capitalized terms used herein and not otherwise defined are defined in the Warrant. W I T N E S S

December 22, 2023 424B3

PARKERVISION, INC. 5,871,584 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-248242 PROSPECTUS SUPPLEMENT No. 38 (to Prospectus dated September 2, 2020) PARKERVISION, INC. 5,871,584 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 2, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospec

December 22, 2023 424B3

PARKERVISION, INC. 9,387,500 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-271351 PROSPECTUS SUPPLEMENT No. 7 (to Prospectus dated May 11, 2023) PARKERVISION, INC. 9,387,500 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated May 11, 2023, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up t

December 22, 2023 424B3

PARKERVISION, INC. 1,578,946 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262147 PROSPECTUS SUPPLEMENT No. 25 (to Prospectus dated January 24, 2022) PARKERVISION, INC. 1,578,946 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated January 24, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholder listed in the Prospectus

December 22, 2023 424B3

PARKERVISION, INC. 16,809,295 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-237762 PROSPECTUS SUPPLEMENT No. 45 (to Prospectus dated April 28, 2020) PARKERVISION, INC. 16,809,295 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

December 22, 2023 424B3

PARKERVISION, INC. 18,014,164 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-233390 PROSPECTUS SUPPLEMENT No. 51 (to Prospectus dated September 11, 2019) PARKERVISION, INC. 18,014,164 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated September 11, 2019, as amended and supplemented from time to time (the “Prospectus”) which permits the resale by the selling stockholders listed in the Prosp

December 22, 2023 424B3

PARKERVISION, INC. 16,638,353 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266777 PROSPECTUS SUPPLEMENT No. 18 (to Prospectus dated August 22, 2022) PARKERVISION, INC. 16,638,353 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus

December 22, 2023 424B3

PARKERVISION, INC. 12,800,000 Shares of Common Stock

Filed pursuant to Rule 424(b)(3) Registration No. 333-230888 PROSPECTUS SUPPLEMENT No. 57 (to Prospectus dated April 19, 2019) PARKERVISION, INC. 12,800,000 Shares of Common Stock This Prospectus Supplement relates to the prospectus dated April 19, 2019, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus o

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