SUPX / SuperX AI Technology Limited - Pemfailan SEC, Laporan Tahunan, Penyata Proksi

SuperX AI Technology Limited

Statistik Asas
CIK 730000
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 SuperX AI Technology Limited
SEC Filings (Chronological Order)
Halaman ini menyediakan senarai kronologi lengkap bagi Pemfailan SEC, tidak termasuk pemfailan pemilikan yang kami sediakan di tempat lain.
April 11, 2014 15-12G

- 15-12G

15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 0-12718 SUPERTEX, INC. (Exact name of registrant as specified in its

April 9, 2014 S-8 POS

- S-8 POS

S-8 POS As filed with the Securities and Exchange Commission on April 9, 2014 Registration No.

April 9, 2014 S-8 POS

- S-8 POS

S-8 POS As filed with the Securities and Exchange Commission on April 9, 2014 Registration No.

April 9, 2014 S-8 POS

- S-8 POS

S-8 POS As filed with the Securities and Exchange Commission on April 9, 2014 Registration No.

April 9, 2014 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on April 9, 2014 Registration No.

April 9, 2014 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on April 9, 2014 Registration No.

April 2, 2014 EX-99.1

MICROCHIP TECHNOLOGY AND SUPERTEX ANNOUNCE THE COMPLETION OF THE ACQUISITION OF SUPERTEX BY MICROCHIP

EX-99.1 4 d704600dex991.htm EX-99.1 Exhibit 99.1 NEWS RELEASE MICROCHIP CONTACTS: J. Eric Bjornholt – CFO (480) 792-7804 MICROCHIP TECHNOLOGY AND SUPERTEX ANNOUNCE THE COMPLETION OF THE ACQUISITION OF SUPERTEX BY MICROCHIP TECHNOLOGY CHANDLER, Arizona and SUNNYVALE, California – April 1, 2014 – Microchip Technology Incorporated (NASDAQ: MCHP) (“Microchip”) and Supertex, Inc. (NASDAQ: SUPX) (“Super

April 2, 2014 EX-3.1

AMENDED & RESTATED ARTICLES OF INCORPORATION SUPERTEX, INC. ARTICLE I

EX-3.1 Exhibit 3.1 AMENDED & RESTATED ARTICLES OF INCORPORATION OF SUPERTEX, INC. ARTICLE I The name of this corporation is SUPERTEX, INC. (the “Corporation”). ARTICLE II The purpose of this Corporation is to engage in any lawful act or activity for which a corporation may be organized under the California General Corporation Law other than the banking business, the trust company business or the p

April 2, 2014 EX-3.2

BYLAWS SUPERTEX, INC. BYLAWS OF SUPERTEX, INC. TABLE OF CONTENTS Page ARTICLE I CORPORATE OFFICES 1 1.1 PRINCIPAL OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II MEETINGS OF SHAREHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 2 2.

EX-3.2 Exhibit 3.2 BYLAWS OF SUPERTEX, INC. BYLAWS OF SUPERTEX, INC. TABLE OF CONTENTS Page ARTICLE I CORPORATE OFFICES 1 1.1 PRINCIPAL OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II MEETINGS OF SHAREHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 2 2.4 NOTICE OF SHAREHOLDERS’ MEETINGS 2 2.5 MANNER OF GIVING NOTICE; AFFIDAVIT OF NOTICE 3 2.6 QUORUM 3 2.7 ADJOURNED MEETING; NOTI

April 2, 2014 8-K

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

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): April 1, 2014 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File N

April 1, 2014 EX-99.25

EX-99.25

supx-form25

April 1, 2014 EX-99.25

EX-99.25

supx-form25

March 26, 2014 8-K

Other Events

Form 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): March 26, 2014 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission

March 26, 2014 DEFA14A

- DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 10, 2014 SC 13G/A

SUPX / Supertex Inc / Wellington Management Group LLP - DISCLOSURE DOCUMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Supertex, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 868532102 (CUSIP Number) February 28, 2014 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule

March 10, 2014 DEFM14A

- DEFM14A

DEFM14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 25, 2014 PREM14A

- PRELIMINARY PROXY STATEMENT

Preliminary Proxy Statement Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 19, 2014 DFAN14A

- DFAN14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant o Filed by a Party other than the Registrant þ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy State

February 14, 2014 SC 13G

SUPX / Supertex Inc / Wellington Management Group LLP - DISCLOSURE DOCUMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Supertex, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 868532102 (CUSIP Number) December 31, 2013 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule

February 13, 2014 DFAN14A

- DFAN14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant o Filed by a Party other than the Registrant þ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy State

February 12, 2014 DFAN14A

- DFAN14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant o Filed by a Party other than the Registrant þ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy State

February 12, 2014 SC 13G/A

SUPX / Supertex Inc / VANGUARD GROUP INC Passive Investment

supertexinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1 )* Name of issuer: Supertex Inc Title of Class of Securities: Common Stock CUSIP Number: 868532102 Date of Event Which Requires Filing of this Statement: December 31, 2013 Check the appropriate box to designat

February 11, 2014 DFAN14A

- DFAN14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant o Filed by a Party other than the Registrant þ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy State

February 10, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 7, 2014 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission Fil

February 10, 2014 EX-10.11

AMENDMENT TO THE 2009 EQUITY INCENTIVE PLAN OF SUPERTEX, INC.

EX-10.11 Exhibit 10.11 AMENDMENT TO THE 2009 EQUITY INCENTIVE PLAN OF SUPERTEX, INC. This amendment amends the 2009 Equity Incentive Plan (the “Plan”) of Supertex, Inc., a California corporation (the “Company”), as amended to date. Unless otherwise specifically defined herein, each capitalized term used herein shall have the meaning afforded such term under the Plan. W I T N E S S E T H: WHEREAS,

February 10, 2014 DFAN14A

- DFAN14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant o Filed by a Party other than the Registrant þ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy State

February 10, 2014 EX-99.1

MICROCHIP TECHNOLOGY ANNOUNCES ACQUISITION OF SUPERTEX, INC. Expands Microchip’s solutions for Medical, Lighting and Industrial Markets

EX-99.1 Exhibit 99.1 NEWS RELEASE MICROCHIP CONTACT: J. Eric Bjornholt – CFO (480) 792-7804 SUPERTEX CONTACT: Name – Dr. Henry C. Pao – CEO (408) 222-8888 MICROCHIP TECHNOLOGY ANNOUNCES ACQUISITION OF SUPERTEX, INC. Expands Microchip’s solutions for Medical, Lighting and Industrial Markets Chandler, Arizona and Sunnyvale, California – February 10, 2014 – Microchip Technology Incorporated (NASDAQ:M

February 10, 2014 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among MICROCHIP TECHNOLOGY INCORPORATED, ORCHID ACQUISITION CORPORATION SUPERTEX, INC. Dated as of February 9, 2014 ARTICLE I DEFINITIONS & INTERPRETATIONS 2 1.1 Certain Definitions 2 1.2 Additional Definitions 12

Exhibit 2.1 CONFIDENTIAL EXECUTION COPY AGREEMENT AND PLAN OF MERGER by and among MICROCHIP TECHNOLOGY INCORPORATED, ORCHID ACQUISITION CORPORATION and SUPERTEX, INC. Dated as of February 9, 2014 ARTICLE I DEFINITIONS & INTERPRETATIONS 2 1.1 Certain Definitions 2 1.2 Additional Definitions 12 1.3 Certain Interpretations 14 ARTICLE II THE MERGER 15 2.1 The Merger 15 2.2 The Effective Time 15 2.3 Th

February 10, 2014 SC 13G/A

SUPX / Supertex Inc / Wellington Management Group LLP - DISCLOSURE DOCUMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Supertex, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 868532102 (CUSIP Number) January 31, 2014 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule

February 10, 2014 DFAN14A

- DFAN14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant o Filed by a Party other than the Registrant þ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy State

February 10, 2014 EX-99.1

MICROCHIP TECHNOLOGY ANNOUNCES ACQUISITION OF SUPERTEX, INC. Expands Microchip’s solutions for Medical, Lighting and Industrial Markets

EX-99.1 Exhibit 99.1 NEWS RELEASE MICROCHIP CONTACT: J. Eric Bjornholt – CFO (480) 792-7804 SUPERTEX CONTACT: Name – Dr. Henry C. Pao – CEO (408) 222-8888 MICROCHIP TECHNOLOGY ANNOUNCES ACQUISITION OF SUPERTEX, INC. Expands Microchip’s solutions for Medical, Lighting and Industrial Markets Chandler, Arizona and Sunnyvale, California – February 10, 2014 – Microchip Technology Incorporated (NASDAQ:M

February 10, 2014 EX-10.10

SUPERTEX, INC. INDEMNIFICATION AGREEMENT

EX-10.10 2 d674352dex1010.htm EX-10.10 Exhibit 10.10 SUPERTEX, INC. INDEMNIFICATION AGREEMENT Introduction This Indemnification Agreement (the “Agreement”) is entered into as of , 20 (the “Effective Date”), by and between Supertex, Inc., a California corporation (the “Corporation”), and (“Indemnitee”). Various terms used in this Agreement are as defined throughout this Agreement, with the definiti

February 10, 2014 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among MICROCHIP TECHNOLOGY INCORPORATED, ORCHID ACQUISITION CORPORATION SUPERTEX, INC. Dated as of February 9, 2014 ARTICLE I DEFINITIONS & INTERPRETATIONS 2 1.1 Certain Definitions 2 1.2 Additional Definitions 12

Exhibit 2.1 CONFIDENTIAL EXECUTION COPY AGREEMENT AND PLAN OF MERGER by and among MICROCHIP TECHNOLOGY INCORPORATED, ORCHID ACQUISITION CORPORATION and SUPERTEX, INC. Dated as of February 9, 2014 ARTICLE I DEFINITIONS & INTERPRETATIONS 2 1.1 Certain Definitions 2 1.2 Additional Definitions 12 1.3 Certain Interpretations 14 ARTICLE II THE MERGER 15 2.1 The Merger 15 2.2 The Effective Time 15 2.3 Th

February 10, 2014 EX-10.11

AMENDMENT TO THE 2009 EQUITY INCENTIVE PLAN OF SUPERTEX, INC.

EX-10.11 Exhibit 10.11 AMENDMENT TO THE 2009 EQUITY INCENTIVE PLAN OF SUPERTEX, INC. This amendment amends the 2009 Equity Incentive Plan (the “Plan”) of Supertex, Inc., a California corporation (the “Company”), as amended to date. Unless otherwise specifically defined herein, each capitalized term used herein shall have the meaning afforded such term under the Plan. W I T N E S S E T H: WHEREAS,

February 10, 2014 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

Form 8-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 10, 2014 EX-10.10

SUPERTEX, INC. INDEMNIFICATION AGREEMENT

EX-10.10 2 d674352dex1010.htm EX-10.10 Exhibit 10.10 SUPERTEX, INC. INDEMNIFICATION AGREEMENT Introduction This Indemnification Agreement (the “Agreement”) is entered into as of , 20 (the “Effective Date”), by and between Supertex, Inc., a California corporation (the “Corporation”), and (“Indemnitee”). Various terms used in this Agreement are as defined throughout this Agreement, with the definiti

February 10, 2014 DEFA14A

- DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

February 6, 2014 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) (x) Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended December 28, 2013 or ( ) Transition Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 (No Fee Required) Commission File No. 0-12718 SUPERTEX, INC. (Exac

January 21, 2014 EX-99.1

Supertex Reports Third Fiscal Quarter Results

FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports Third Fiscal Quarter Results Sunnyvale, CA (January 21, 2014) - Supertex, Inc. (NASDAQ GS: SUPX) · FQ3 sales $17.4 million, 2% lower sequentially and 21% higher year-over-year · FQ3 GAAP EPS $0.23, representing a $0.01 decrease sequentially and an $0.11 increase year-over-year · FQ3 gross m

January 21, 2014 EX-99.1

Supertex Reports Third Fiscal Quarter Results

FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports Third Fiscal Quarter Results Sunnyvale, CA (January 21, 2014) - Supertex, Inc. (NASDAQ GS: SUPX) · FQ3 sales $17.4 million, 2% lower sequentially and 21% higher year-over-year · FQ3 GAAP EPS $0.23, representing a $0.01 decrease sequentially and an $0.11 increase year-over-year · FQ3 gross m

January 21, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 supx-20140121x8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2014 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of inc

January 10, 2014 SC 13G/A

SUPX / Supertex Inc / PRICE T ROWE ASSOCIATES INC /MD/ - SUPX AS OF 12/31/2013 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* SUPERTEX INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 868532102 (CUSIP Number) December 31, 2013 (Date of Event which Requires Filing of Statement) Check the appropriate box to designate the Rule pursuant to which this Schedule is fil

November 25, 2013 S-8

- S-8

As filed with the Securities and Exchange Commission on November 22, 2013 Registration No.

November 25, 2013 S-8 POS

-

As filed with the Securities and Exchange Commission on November 25, 2013 Registration No.

November 7, 2013 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) (x) Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 28, 2013 or ( ) Transition Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 (No Fee Required) Commission File No. 0-12718 SUPERTEX, INC. (Exa

October 22, 2013 EX-99.1

Supertex Reports Second Fiscal Quarter Results

FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports Second Fiscal Quarter Results Sunnyvale, CA (October 22, 2013) - Supertex, Inc. (NASDAQ GS: SUPX) · Q2 sales of $17.7 million, 10% higher sequentially and 12% higher year over year · Q2 GAAP EPS of $0.24 representing a $0.01 decrease from Q1 in which EPS included an $0.08 favorable discrete

October 22, 2013 EX-99.1

Supertex Reports Second Fiscal Quarter Results

FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports Second Fiscal Quarter Results Sunnyvale, CA (October 22, 2013) - Supertex, Inc. (NASDAQ GS: SUPX) · Q2 sales of $17.7 million, 10% higher sequentially and 12% higher year over year · Q2 GAAP EPS of $0.24 representing a $0.01 decrease from Q1 in which EPS included an $0.08 favorable discrete

October 22, 2013 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 22, 2013 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Nu

August 8, 2013 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) (x) Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 29, 2013 or ( ) Transition Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 (No Fee Required) Commission File No. 0-12718 SUPERTEX, INC. (Exact na

July 23, 2013 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): July 23, 2013 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Numbe

July 23, 2013 EX-99.1

Supertex Reports First Fiscal Quarter Results

FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports First Fiscal Quarter Results Sunnyvale, CA (July 23, 2013) - Supertex, Inc. (NASDAQ GS: SUPX) · Q1 sales $16.2 million, 11% higher sequentially and 1% higher year over year · Q1 GAAP EPS $0.25 representing a $0.12 increase over the prior quarter and a $0.20 increase compared to the same qua

July 23, 2013 EX-99.1

Supertex Reports First Fiscal Quarter Results

FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports First Fiscal Quarter Results Sunnyvale, CA (July 23, 2013) - Supertex, Inc. (NASDAQ GS: SUPX) · Q1 sales $16.2 million, 11% higher sequentially and 1% higher year over year · Q1 GAAP EPS $0.25 representing a $0.12 increase over the prior quarter and a $0.20 increase compared to the same qua

July 2, 2013 DEF 14A

- DEF 14A

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

June 13, 2013 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (MARK ONE) (x) Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 (Fee Required) For the fiscal year ended March 30, 2013 or ( ) Transition Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 For the transition period from to Commission File No. 0-12718

June 13, 2013 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT The following identifies the Registrant’s wholly-owned subsidiary as defined in Rule 1-02(w) of Regulation S-X. Name Jurisdiction of Incorporation Year Organized Supertex Limited Hong Kong 2001

June 13, 2013 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT The following identifies the Registrant’s wholly-owned subsidiary as defined in Rule 1-02(w) of Regulation S-X. Name Jurisdiction of Incorporation Year Organized Supertex Limited Hong Kong 2001

June 13, 2013 EX-10.9

CHANGE OF CONTROL AGREEMENT

EX-10.9 2 supx-20130330ex109f3f07f.htm EX-10.9 EXHIBIT 10.9 CHANGE OF CONTROL AGREEMENT Introduction This Change of Control Agreement (this “Agreement”) is made this day of , 2012 by and between (the “Officer) and Supertex, Inc., a California corporation (the “Company). Recitals WHEREAS, the Officer is employed by the Company; and WHEREAS, the Company and the Officer desire to enter into this Agre

June 13, 2013 EX-10.9

CHANGE OF CONTROL AGREEMENT

EX-10.9 2 supx-20130330ex109f3f07f.htm EX-10.9 EXHIBIT 10.9 CHANGE OF CONTROL AGREEMENT Introduction This Change of Control Agreement (this “Agreement”) is made this day of , 2012 by and between (the “Officer) and Supertex, Inc., a California corporation (the “Company). Recitals WHEREAS, the Officer is employed by the Company; and WHEREAS, the Company and the Officer desire to enter into this Agre

May 14, 2013 EX-99.1

SUPERTEX FOURTH FISCAL QUARTER AND YEAR END 2013 EARNINGS RELEASE CONFERENCE CALL Supertex, Inc. 5:30 pm ET

SUPERTEX FOURTH FISCAL QUARTER AND YEAR END 2013 EARNINGS RELEASE CONFERENCE CALL Supertex, Inc.

May 14, 2013 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2013 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Number

May 14, 2013 EX-99.1

SUPERTEX FOURTH FISCAL QUARTER AND YEAR END 2013 EARNINGS RELEASE CONFERENCE CALL Supertex, Inc. 5:30 pm ET

SUPERTEX FOURTH FISCAL QUARTER AND YEAR END 2013 EARNINGS RELEASE CONFERENCE CALL Supertex, Inc.

May 9, 2013 EX-99.1

Supertex Reports Fourth Fiscal Quarter and Fiscal Year-end Results

FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports Fourth Fiscal Quarter and Fiscal Year-end Results Sunnyvale, CA (May 8, 2013) - Supertex, Inc. (NASDAQ GS: SUPX) Ÿ Q4 sales $14.6 million, 2% higher sequentially Ÿ Full year sales $61.0 million, 7% lower than the prior fiscal year Ÿ Q4 GAAP EPS $0.13 and full year GAAP EPS $0.36 representin

May 9, 2013 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2013 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Number)

February 11, 2013 SC 13G

SUPX / Supertex Inc / VANGUARD GROUP INC Passive Investment

supertexinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 0 )* Name of issuer: Supertex Inc Title of Class of Securities: Common Stock CUSIP Number: 868532102 Date of Event Which Requires Filing of this Statement: December 31, 2012 Check the appropriate box to designat

February 6, 2013 SC 13G/A

SUPX / Supertex Inc / PRICE T ROWE ASSOCIATES INC /MD/ - SUPX AS OF 12/31/12 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* SUPERTEX INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 868532102 (CUSIP Number) December 31, 2012 (Date of Event which Requires Filing of Statement) Check the appropriate box to designate the Rule pursuant to which this Schedule is fil

January 22, 2013 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): January 22, 2013 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Nu

January 22, 2013 EX-99.1

Supertex Reports Third Fiscal Quarter Results

EX-99.1 2 supx-20130122ex9918c24d1.htm EX-99.1 FOR IMMEDIATE RELEASECorporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports Third Fiscal Quarter Results Sunnyvale, CA (January 22, 2013) - Supertex, Inc. (NASDAQ GS: SUPX) today reported financial results for the third fiscal quarter ended December 29, 2012. Net sales for the third fiscal quarter were $14,373,000, a 10

November 28, 2012 8-K

- 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 26, 2012 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File N

October 23, 2012 EX-99.1

Supertex Reports Second Fiscal Quarter Results

Supertex, Inc News Release FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports Second Fiscal Quarter Results Sunnyvale, CA (October 22, 2012) - Supertex, Inc. (NASDAQ GS: SUPX) today reported financial results for the second fiscal quarter ended September 29, 2012. Net sales for the second fiscal quarter were $15,919,000, a 1% decrease compa

October 23, 2012 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 22, 2012 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Nu

October 23, 2012 EX-99.2

FISCAL QUARTER

SUPERTEX SECOND FISCAL QUARTER 2013 EARNINGS RELEASE CONFERENCE CALL Moderator: Good afternoon.

August 23, 2012 8-K

Submission of Matters to a Vote of Security Holders - SUPERTEX 8-K 08-22-2012

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 17, 2012 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Num

July 24, 2012 EX-99.1 CHARTER

Supertex Reports First Fiscal Quarter Results

Supertex, Inc. News Release FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports First Fiscal Quarter Results Sunnyvale, CA (July 24, 2012) - Supertex, Inc. (NASDAQ GS: SUPX) today reported financial results for the first fiscal quarter ended June 30, 2012. Net sales for the first fiscal quarter were $16,059,000, a 2% decrease compared to the

July 24, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - SUPERTEX 8K 07-24-2012

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 24, 2012 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Numbe

July 5, 2012 DEF 14A

- SUPERTEX PROXY STATEMENT 2012

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

May 9, 2012 EX-99.1 CHARTER

Supertex Reports Fourth Fiscal Quarter and Fiscal Year-end Results

Supertex, Inc. News Release FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports Fourth Fiscal Quarter and Fiscal Year-end Results Sunnyvale, CA (May 9, 2012) - Supertex, Inc. (NASDAQ GS: SUPX) today reported financial results for the fourth fiscal quarter and fiscal year ended March 31, 2012. Net sales for the fourth fiscal quarter were $16,

May 9, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2012 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Number)

April 18, 2012 8-K

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

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 18, 2012 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Numb

April 18, 2012 EX-99.1 CHARTER

Supertex Updates Fiscal Fourth Quarter Guidance and Schedules Earnings Release and Conference Call

EX-99.1 CHARTER 2 supxprguidance04182012.htm SUPERTEX PR Q4 FY12 UPDATED GUIDANCE Supertex, Inc. News Release FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Updates Fiscal Fourth Quarter Guidance and Schedules Earnings Release and Conference Call Sunnyvale, CA (April 18, 2012) - Supertex, Inc. (NASDAQ GS: SUPX) today announced that it expects n

February 14, 2012 SC 13G/A

SUPX / Supertex Inc / Senvest Management, LLC Passive Investment

SC 13G/A 1 d126418313g-a.htm SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 2)* SUPERTEX, INC. (Name of Issuer) Common Stock, no par value (Title of Class of Securities) 868532102 (CUSIP Number) December 31,

February 13, 2012 SC 13G/A

SUPX / Supertex Inc / COLUMBIA WANGER ASSET MANAGEMENT LLC - SCHEDULE 13G AMENDMENT NO. 8 Passive Investment

Schedule 13G Amendment No. 8 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 8)* SUPERTEX INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 868532102 (CUSIP Number) December 31, 2011 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the Rule pursuant to which

February 10, 2012 SC 13G/A

SUPX / Supertex Inc / PRICE T ROWE ASSOCIATES INC /MD/ - SUPX AS OF 1/31/12 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* SUPERTEX INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 868532102 (CUSIP Number) January 31, 2012 (Date of Event which Requires Filing of Statement) Check the appropriate box to designate the Rule pursuant to which this Schedule is file

February 9, 2012 SC 13G

SUPX / Supertex Inc / PRICE T ROWE ASSOCIATES INC /MD/ - 12/31/2011 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* SUPERTEX INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 868532102 (CUSIP Number) December 31, 2011 (Date of Event which Requires Filing of Statement) Check the appropriate box to designate the Rule pursuant to which this Schedule is file

January 24, 2012 EX-99.1 CHARTER

Supertex Reports Third Fiscal Quarter Results

Supertex, Inc. News Release FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Reports Third Fiscal Quarter Results Sunnyvale, CA (January 24, 2012) - Supertex, Inc. (NASDAQ GS: SUPX) today reported financial results for the third fiscal quarter ended December 31, 2011. Net sales for the third fiscal quarter were $14,066,000, a 17% decrease compare

January 24, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8K PRESS RELEASE Q3 FY12

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 24, 2012 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Nu

January 10, 2012 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): January 9, 2012 SUPERTEX, INC. (Exact name of registrant as specified in its charter) California 0-12718 94-2328535 (State or other jurisdiction of incorporation) (Commission File Num

January 10, 2012 EX-99.1 CHARTER

Supertex Updates Fiscal Third Quarter Guidance

Supertex, Inc. News Release FOR IMMEDIATE RELEASE Corporate Headquarters: Dr. Henry C. Pao President & CEO 408/222-8888 Supertex Updates Fiscal Third Quarter Guidance Sunnyvale, CA (January 9, 2012) - Supertex, Inc. (NASDAQ GS: SUPX) today announced that it expects third fiscal quarter revenue to be in the range of $13,500,000 to $14,000,000. This represents a decline of 15% from the Company's pre

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