Sec Form 4 Filing - Miyanaga Eiji @ INTEVAC INC - 2025-03-31

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Miyanaga Eiji 2. Issuer Name and Ticker or Trading Symbol INTEVAC INC [ IVAC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 3560 BASSETT STREET 3. Date of Earliest Transaction (MM/DD/YY) 03/31/2025 (Street) SANTA CLARA, CA95054 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/31/2025 D 12,000 ( 1 ) D 0 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Option (right to buy) $ 3.54 03/31/2025 D 10,300 ( 2 ) 08/28/2031 Common Stock 10,300 ( 3 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Miyanaga Eiji 3560 BASSETT STREET SANTA CLARA, CA95054 X Signatures By: Diane Garibaldi For: Eiji Miyanaga 04/01/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Pursuant to the terms of that certain Agreement and Plan of Merger (the "Merger Agreement"), by and among Seagate Technology Holdings plc, the Issuer and Irvine Acquisition Holdings, Inc., dated as of February 13, 2025, at the Effective Time (as defined in the Merger Agreement), pursuant to the Merger Agreement, each restricted stock unit of the Issuer that vested based solely on the continued performance of services and performance metrics (each, a "Company RSU") then outstanding, whether or not vested, was cancelled in exchange for a cash payment equal to (x) the total numbers of shares subject to such Company RSU immediately prior to the Effective Time (without regard to vesting) multiplied by (y) $4.00 per share, payable in cash at closing, without interest and subject to reduction for any applicable withholding of taxes. ( 2 )At the Effective Time, pursuant to the Merger Agreement, each outstanding option to purchase shares of common stock of the Issuer having an exercise price per share that was less than the Offer Consideration (each, an "In-the-Money Option") that was then outstanding and unvested as of immediately prior to the Effective Time vested in full. ( 3 )At the Effective Time, pursuant to the Merger Agreement, each In-the-Money Option that was then outstanding was cancelled in exchange for an amount in cash equal to the product of (x) the total number of shares subject to such In-the-Money Option immediately prior to the Effective Time multiplied by (y) the excess of the amount of the Offer Consideration over the applicable exercise price per share of such In-the-Money Option.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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