ASTRONICS CORP — Environmental & Social Information 2026

May 21, 2026

SD 1 a2025formsd.htm SD Document created using Wdesk Copyright 2026 Workiva Document

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM SD

SPECIALIZED DISCLOSURE REPORT

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ASTRONICS CORPORATION

(Exact name of the registrant as specified in its charter)

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NEW YORK	0-7087	16-0959303
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(IRS Employer Identification No.)
130 Commerce Way, East Aurora, New York		14052
(Address of principal executive offices)		(Zip Code)
	Nancy L. Hedges, Vice President and Chief Financial Officer (716) 805-1599
	(Name and telephone number, including area code, of the person to contact in connection with this report)

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Check the appropriate box to indicate the rule pursuant to which this Form is being filed, and provide the period to which the information in this Form applies:

ý Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2025.

☐ Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year

ended ______.

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Section 1 - Conflict Minerals Disclosure

Item 1.01 Conflict Minerals Disclosure and Report

Astronics Corporation (“we”, “our”, or the “Company”) evaluated its product lines and determined that certain products we manufacture (or contract to manufacture) contain tin, tungsten, tantalum and/or gold (“3TG”). The survey of our suppliers revealed that our supply chain is still in the process of determining the source and chain of custody of these 3TGs, and as a result we have filed a Conflict Minerals Report.

A copy of the Company’s Conflict Minerals Report is filed as Exhibit 1.01 hereto and is publicly available at on the Company’s website at https://www.astronics.com/about/conflict-minerals.

Item 1.02 Exhibit

The Conflict Minerals Report required by Item 1.01 is filed as Exhibit 1.01 to this form .

Section 2 - Resource Extraction Issuer Disclosure

Item 2.01 Resource Extraction Issuer Disclosure and Report

Not applicable.

Section 3 - Exhibits

Item 3.01 Exhibits

Exhibit 1.01 – Conflict Minerals Report for the reporting period from January 1, 2025 to December 31, 2025.

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the duly authorized undersigned.

/s/ Nancy L. Hedges	May 21, 2026
Vice President and Chief Financial Officer	Date