Results of Operations and Financial Condition. On August 11, 2026 , Astronics Corporation issued a news release announcing its second quarter financial results for 2026. A copy of the news release is attached as Exhibit 99.1. The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filing of the registrant, whether made before or after the date hereof, regardless of any general incorporation language in such filing. The information in th…

Results of Operations and Financial Condition. On May 12, 2026 , Astronics Corporation issued a news release announcing its first quarter financial results for 2026. A copy of the news release is attached as Exhibit 99.1. The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filing of the registrant, whether made before or after the date hereof, regardless of any general incorporation language in such filing. The information in this r…

Results of Operations and Financial Condition. On February 24, 2026 , Astronics Corporation issued a news release announcing its fourth quarter and full year financial results for 2025. A copy of the news release is attached as Exhibit 99.1.

Results of Operations and Financial Condition. On February 5, 2026, Astronics Corporation issued a news release announcing preliminary unaudited adjusted EBITDA margins for the fourth quarter and full year of 2025 and plans to webcast presentations at the TD Cowen Aerospace & Defense Conference. A copy of the news release is attached as Exhibit 99.1. The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filing of the registrant, wheth…

Results of Operations and Financial Condition. The information set forth under

Results of Operations and Financial Condition. On January 8, 2026, Astronics Corporation issued a news release announcing preliminary unaudited revenue and preliminary bookings for the fourth quarter of 2025, preliminary unaudited revenue for full year 2025 and initial revenue guidance for 2026. A copy of the news release is attached as Exhibit 99.1. The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filing of the registrant, wheth…

Results of Operations and Financial Condition. On November 4, 2025 , Astronics Corporation issued a news release announcing its third quarter financial results for 2025. A copy of the news release is attached as Exhibit 99.1. The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filing of the registrant, whether made before or after the date hereof, regardless of any general incorporation language in such filing. The information in th…

Termination of a Material Definitive Agreement. On October 22, 2025, the Company repaid in full all outstanding indebtedness under the Asset Based Credit Agreement, and the Asset Based Credit Agreement was terminated as of that date. The Company funded the repayment of its obligations under the Asset Based Credit Agreement with borrowings under the Revolving Credit Agreement. There were no termination penalties incurred by the Company in connection with the termination of the Asset Based Cred…

Entry into a Material Definitive Agreement. Astronics Corporation (the “Company”) entered into a Credit Agreement (the “Revolving Credit Agreement”), dated as of October 22, 2025, with HSBC Bank USA, National Association, as administrative agent for the lenders (“HSBC”), the guarantors party thereto, and the lenders signatory thereto. The cash flow-based revolving credit facility under the Revolving Credit Agreement replaces the Company’s asset-based credit facility. As such, the Seventh Amen…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The disclosure set forth in

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement. The disclosure set forth in

Regulation FD Disclosure. On September 16, the Company issued a press release announcing the closing of the Notes offering. A copy of the press release is furnished hereto as Exhibit 99.2 to this Current Report on Form 8-K. The information in this Item 7.01, including Exhibit 99.2, is being furnished and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act’), or otherwise subject to the liabilities of that section,…

Entry into a Material Definitive Agreement. 0% Convertible Senior Notes due 2031 On September 16, 2025, Astronics Corporation (the “Company”) issued $225.0 million aggregate principal amount of 0% Convertible Senior Notes due 2031 (the “Notes”). Pursuant to the purchase agreement between the Company and the initial purchasers of the Notes, the Company granted the initial purchasers an option to purchase, for settlement within a 13-day period beginning on, and including, the first date the Not…

The Notes were issued to the initial purchasers in reliance upon Section 4(a)(2) of the Securities Act of 1933, as amended (the “Securities Act”), in transactions not involving any public offering. The Notes were resold by the initial purchasers to persons reasonably believed to be “qualified institutional buyers,” as defined in, and in accordance with, Rule 144A under the Securities Act. Any shares of common stock that may be issued upon conversion of the Notes will be issued in reliance upo…

Other Events. Private Offering of Convertible Senior Notes On September 9, 2025, Astronics Corporation (“ Astronics ” or the “ Company ”) issued a press release announcing that it intends to offer, subject to market and other conditions, $210,000,000 aggregate principal amount of Convertible Senior Notes due 2031 (the “ Notes ”) in a private offering to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended. Astronic…

Results of Operations and Financial Condition. On August 6, 2025 , Astronics Corporation issued a news release announcing its second quarter financial results for 2025. A copy of the news release is attached as Exhibit 99.1. The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filing of the registrant, whether made before or after the date hereof, regardless of any general incorporation language in such filing. The information in thi…

Results of Operations and Financial Condition. On May 6, 2025 , Astronics Corporation issued a news release announcing its first quarter financial results for 2025. A copy of the news release is attached as Exhibit 99.1. The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filing of the registrant, whether made before or after the date hereof, regardless of any general incorporation language in such filing. The information in this re…

Results of Operations and Financial Condition. On March 4, 2025 , Astronics Corporation issued a news release announcing its fourth quarter and full year financial results for 2024. A copy of the news release is attached as Exhibit 99.1.

Director — Fay West: Ms. Fay West was elected as a director of Astronics Corporation.

Results of Operations and Financial Condition. On January 10, 2025, Astronics Corporation issued a news release announcing preliminary unaudited revenue and preliminary bookings for the fourth quarter of 2024, preliminary unaudited revenue for full year 2024 and initial revenue guidance for 2025. A copy of the press release is attached as Exhibit 99.1. The information contained herein and in the accompanying exhibit shall not be incorporated by reference into any filing of the registrant, whe…

Entry into a Material Definitive Agreement. Indenture and Notes On December 3, 2024, Astronics Corporation (the “Company”) issued $165,000,000 aggregate principal amount of 5.500% Convertible Senior Notes due 2030 (the “Notes”). The Notes were issued pursuant to, and are governed by, an indenture (the “Indenture”), dated as of December 3, 2024, between the Company and U.S. Bank Trust Company, National Association, as trustee (the “Trustee”). Pursuant to the purchase agreement between the Comp…

Termination of a Material Definitive Agreement. On December 3, 2024, the Company repaid in full all outstanding indebtedness under the credit agreement dated as of July 11, 2024 with HSBC Bank USA, N.A., as agent for the lenders, and the lenders signatory thereto, including certain funds managed by Redwood Capital Management, LLC (the “Term Loan Facility”). The Term Loan Facility payoff consisted of a repayment of a principal amount of approximately $54.9 million, plus accrued but unpaid inte…

The Notes were issued to the initial purchasers in reliance upon Section 4(a)(2) of the Securities Act of 1933, as amended (the “Securities Act”), in transactions not involving any public offering. The Notes were resold by the initial purchasers to persons reasonably believed to be “qualified institutional buyers,” as defined in, and in accordance with, Rule 144A under the Securities Act. Any shares of common stock that may be issued upon conversion of the Notes will be issued in reliance upo…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement. The disclosure set forth in

Entry into a Definitive Material Agreement. Astronics Corporation (the “ Company ”) amended its existing credit facility on November 25, 2024 by entering into the Second Amendment (the “ Amendment ”) to the Seventh Amended and Restated Credit Agreement (the “ Restated Agreement ”), dated July 11, 2024, by and among the Company, the guarantors signatory thereto, HSBC Bank USA, National Association, as agent for the lenders, and the lenders signatory thereto. The Company entered into the Amendm…