SEC FORM 4

SEC FORM 4SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

GUNDERMANN PETER J

(Last)

(First)

(Middle)

130 COMMERCE WAY

(Street)

EAST AURORA

NEW YORK

14052

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ASTRONICS CORP [ ATRO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	PRESIDENT/CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
$.01 PV Com Stk								93,967.608	D
$.01 PV CL B STK	06/15/2026		J⁽¹⁾		168,375	A	$0	916,286	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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Option	$26.47							12/14/2017	12/14/2026	$.01 PV Com Stk	14,460		14,460	D
Option	$26.47	06/15/2026		J⁽¹⁾		3,325		12/14/2017	12/14/2026	$.01 PV CL B STK	3,325	$0	5,494	D
Option	$29.68							12/12/2018	12/12/2027	$.01 PV Com Stk	26,300		26,300	D
Option	$29.68	06/15/2026		J⁽¹⁾		6,049		12/12/2018	12/12/2027	$.01 PV CL B STK	6,049	$0	9,994	D
Option	$26.31							12/13/2019	12/13/2028	$.01 PV Com Stk	34,790		34,790	D
Option	$26.31	06/15/2026		J⁽¹⁾		6,958		12/13/2019	12/13/2028	$.01 PV CL B STK	6,958	$0	6,958	D
Option	$25.03							12/09/2020	12/09/2029	$.01 PV Com Stk	61,200		61,200	D
Option	$25.03	06/15/2026		J⁽¹⁾		12,240		12/09/2020	12/09/2029	$.01 PV CL B STK	12,240	$0	12,240	D
Option	$12.04							01/22/2022	01/22/2031	$.01 PV Com Stk	98,900		98,900	D
Option	$12.04	06/15/2026		J⁽¹⁾		19,780		01/22/2022	01/22/2031	$.01 PV CL B STK	19,780	$0	19,780	D
Option	$9.28							12/09/2022	12/09/2031	$.01 PV Com Stk	115,800		115,800	D
Option	$9.28	06/15/2026		J⁽¹⁾		23,160		12/09/2022	12/09/2031	$.01 PV CL B STK	23,160	$0	23,160	D
Option	$8.12							12/16/2023	12/16/2032	$.01 PV Com Stk	125,000		125,000	D
Option	$8.12	06/15/2026		J⁽¹⁾		25,000		12/16/2023	12/16/2032	$.01 PV CL B STK	25,000	$0	25,000	D
Option	$12.63							12/07/2024	12/07/2033	$.01 PV Com Stk	83,900		83,900	D
Option	$12.63	06/15/2026		J⁽¹⁾		16,780		12/07/2024	12/07/2033	$.01 PV CL B STK	16,780	$0	16,780	D
Restricted Stock Unit	⁽²⁾							⁽³⁾	⁽³⁾	$.01 PV Com Stk	26,450		26,450	D
Restricted Stock Unit	⁽⁴⁾	06/15/2026		J⁽¹⁾		5,290		⁽³⁾	⁽³⁾	$.01 PV CL B STK	5,290	$0	5,290	D
Option	$13.79							12/05/2025	12/05/2034	$.01 PV Com Stk	75,800		75,800	D
Option	$13.79	06/15/2026		J⁽¹⁾		15,160		12/05/2025	12/05/2034	$.01 PV CL B STK	15,160	$0	15,160	D
Restricted Stock Unit	⁽²⁾							⁽⁵⁾	⁽⁵⁾	$.01 PV Com Stk	25,250		25,250	D
Restricted Stock Unit	⁽⁴⁾	06/15/2026		J⁽¹⁾		5,050		⁽⁵⁾	⁽⁵⁾	$.01 PV CL B STK	5,050	$0	5,050	D
Option	$43.1							12/04/2026	12/04/2035	$.01 PV Com Stk	29,750		29,750	D
Option	$43.1	06/15/2026		J⁽¹⁾		5,950		12/04/2026	12/04/2035	$.01 PV CL B STK	5,950	$0	5,950	D
Restricted Stock Unit	⁽²⁾							⁽⁶⁾	⁽⁶⁾	$.01 PV Com Stk	12,150		12,150	D
Restricted Stock Unit	⁽⁴⁾	06/15/2026		J⁽¹⁾		2,430		⁽⁶⁾	⁽⁶⁾	$.01 PV CL B STK	2,430	$0	2,430	D

Explanation of Responses:

1. Shares issued pursuant to a one-for-five distribution of Class B stock to holders of both Common and Class B stock on the record date of June 15, 2026.

2. Each restricted stock unit represents the right to receive, at settlement, one share of common stock.

3. Vesting of these restricted stock units depends on Astronics Corp.'s average annual adjusted EBITDA for the period January 1, 2024- December 31, 2026. The "target" number of restricted stock units is reported. Between 50% and 150% of the target number of units may vest on February 23, 2027, with the vesting percentage determined based on actual performance.

4. Each restricted stock unit represents the right to receive, at settlement, one share of class B stock.

5. Vesting of these restricted stock units depends on Astronics Corp.'s average annual adjusted EBITDA for the period January 1, 2025- December 31, 2027. The "target" number of restricted stock units is reported. Between 50% and 150% of the target number of units may vest on February 27, 2028, with the vesting percentage determined based on actual performance.

6. Vesting of these restricted stock units depends on Astronics Corp.'s average annual adjusted EBITDA for the period January 1, 2026- December 31, 2028. The "target" number of restricted stock units is reported. Between 50% and 150% of the target number of units may vest on February 19, 2029, with the vesting percentage determined based on actual performance.

Remarks:

	/S/JULIE DAVIS, AS POWER OF ATTORNEY FOR PETER J. GUNDERMANN	06/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

PRESIDENT/CEO Gundermann Peter J acquired 168,375 units of $.01 PV CL B STK, increasing direct ownership by 23% to 916,286 units (SEC Form 4)