ASTRONICS CORP — Share Issue/Capital Change 2026

Jun 1, 2026

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): June 1, 2026

ASTRONICS CORPORATION

(Exact name of registrant as specified in its charter)

New York	0-7087	16-0959303
(State of Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)
130 Commerce Way East Aurora , New York	14052
(Address of principal executive offices)	(Zip Code)

Registrant's telephone number, including area code: ( 716 ) 805-1599

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, $.01 par value per share	ATRO	The NASDAQ Stock Market LLC

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

☐ Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01 Regulation FD Disclosure.

On June 1, 2026, Astronics Corporation announced a 20% stock distribution of Class B Stock to holders of both Common and Class B Stock. Stockholders will receive one share of Class B Stock for every five shares of Common and Class B Stock held on the record date of June 15, 2026. Fractional shares will be paid in cash. Astronics Corporation expects the new shares of Class B Stock to be distributed on or about June 29, 2026.

The text of the press release announcing the Class B Stock distribution is furnished as Exhibit 99.1 to this report.

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 report including the exhibit hereto, shall not be deemed to be “filed” for purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended.

Item 9.01 Financial Statements and Exhibits.

Exhibit	Description
99.1	Press Release of Astronics Corporation, dated June 1, 2026
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

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

Astronics Corporation — /s/ Nancy L. Hedges
Nancy L. Hedges
Vice President and Chief Financial Officer