SCHEDULE 13D/A 0001873893 XXXXXXXX LIVE 2 Common Stock, $0.01 par value per share 10/15/2025 false 0000008063 046433108 ASTRONICS CORP

130 COMMERCE WAY - EAST AURORA NY 14052-2164

Michael Braner 646-774-2904 325 Capital LLC 757 Third Avenue, 20th Floor New York NY 10017 Kenneth A. Schlesinger, Esq. 212-451-2300 Olshan Frome Wolosky LLP 1325 Avenue of the Americas New York NY 10019 0001972759 N 325 Capital Master Fund LP N E9 0.00 0.00 0.00 0.00 0.00 N 0 PN 0001972758 N 325 Capital GP, LLC N DE 0.00 0.00 0.00 0.00 0.00 N 0 OO 0001873893 N 325 CAPITAL LLC N DE 0.00 0.00 0.00 0.00 0.00 N 0 OO 0001908015 N Braner Michael David N X1 0.00 0.00 0.00 0.00 0.00 N 0 IN 0001448795 N FRIEDBERG DANIEL M. N X1 0.00 0.00 0.00 0.00 0.00 N 0 IN 0001908019 N Shrivastava Anil K N X1 0.00 0.00 0.00 0.00 0.00 N 0 IN Common Stock, $0.01 par value per share ASTRONICS CORP 130 COMMERCE WAY - EAST AURORA NY 14052-2164 Item 3 is hereby amended and restated to read as follows: As of the date hereof, the Reporting Persons beneficially own 0 Shares of the Issuer. The aggregate purchase price for the 0 Shares beneficially owned by the Reporting Persons is $0 (exclusive of brokerage commissions and other costs of execution). Item 5(a) is hereby amended and restated to read as follows: The aggregate percentage of Shares reported owned by the Reporting Persons is based upon 31,619,410 Shares outstanding as of October 30, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 6, 2025. As of the date hereof, 325 Master Fund beneficially owned 0 Shares of the Issuer, constituting 0% of the Shares outstanding. As of the date hereof, 325 Capital GP beneficially owned 0 Shares of the Issuer, constituting 0% of the Shares outstanding. As of the date hereof, 325 beneficially owned 0 Shares of the Issuer, constituting 0% of the Shares outstanding. As of the date hereof, Mr. Braner beneficially owned 0 Shares of the Issuer, constituting 0% of the Shares outstanding. As of the date hereof, Mr. Friedberg beneficially owned 0 Shares of the Issuer, constituting 0% of the Shares outstanding. As of the date hereof, Mr. Shrivastava beneficially owned 0 Shares of the Issuer, constituting 0% of the Shares outstanding. Item 5(b) is hereby amended and restated to read as follows: (i) 325 Master Fund: Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 0 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 0 (ii) 325 Capital GP: Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 0 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 0 (iii) 325: Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 0 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 0 (iv) Michael Braner: Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 0 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 0 (v) Daniel Friedberg: Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 0 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 0 (vi) Anil Shrivastava: Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 0 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 0 Item 5(c) is hereby amended and restated to read as follows: Other than as set forth in Schedule 1 hereto, the Reporting Persons have not entered into any transactions in the securities of the Issuer in the last 60 days. Item 5(e) is hereby amended and restated as follows: As of October 15, 2025, the Reporting Persons ceased to beneficially own more than 5% of the outstanding Shares of the Issuer. Schedule 1 - Transactions in the Shares in the Last 60 Days 325 Capital Master Fund LP /s/ Michael Braner 01/15/2026 325 Capital GP, LLC /s/ Michael Braner 01/15/2026 325 CAPITAL LLC /s/ Michael Braner 01/15/2026 Braner Michael David /s/ Michael Braner 01/15/2026 FRIEDBERG DANIEL M. /s/ Daniel Friedberg 01/15/2026 Shrivastava Anil K /s/ Anil Shrivastava 01/15/2026