PETER J. GUNDERMANN - 18 Mar 2025 Form 4/A - Amendment Insider Report for ASTRONICS CORP (ATRO)

Role: PRESIDENT/CEO, Director
Signature: /S/JULIE DAVIS, AS POWER OF ATTORNEY FOR PETER J. GUNDERMANN
Issuer symbol: ATRO
Transactions as of: 18 Mar 2025
Net transactions value: -$102,953
Form type: 4/A - Amendment
Filing time: 03 Apr 2025, 16:06:00 UTC
Date Of Original Report: 20 Mar 2025
Previous filing: 03 Mar 2025
Next filing: 30 Oct 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ATRO	$.01 PV Com Stk	Options Exercise	$0	+11,063	+15%	$0.000000	86,047	18 Mar 2025	Direct
transaction	ATRO	$.01 PV Com Stk	Tax liability	$102,953	-4,133	-4.8%	$24.91	81,914	18 Mar 2025	Direct	F1, F2, F3
holding	ATRO	$.01 PV CL B STK						743,493	18 Mar 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ATRO	Restricted Stock Unit	Options Exercise	$0	-11,063	-100%	$0.000000	0	18 Mar 2025	$.01 PV Com Stk	11,063		Direct	F4, F8
holding	ATRO	Option						13,700	18 Mar 2025	$.01 PV Com Stk	13,700	$27.72	Direct
holding	ATRO	Option						4,418	18 Mar 2025	$.01 PV CL B STK	4,418	$27.72	Direct
holding	ATRO	Option						14,460	18 Mar 2025	$.01 PV Com Stk	14,460	$31.76	Direct
holding	ATRO	Option						2,169	18 Mar 2025	$.01 PV CL B STK	2,169	$31.76	Direct
holding	ATRO	Option						26,300	18 Mar 2025	$.01 PV Com Stk	26,300	$35.61	Direct
holding	ATRO	Option						3,945	18 Mar 2025	$.01 PV CL B STK	3,945	$35.61	Direct
holding	ATRO	Option						34,790	18 Mar 2025	$.01 PV Com Stk	34,790	$31.57	Direct
holding	ATRO	Option						61,200	18 Mar 2025	$.01 PV Com Stk	61,200	$30.04	Direct
holding	ATRO	Option						98,900	18 Mar 2025	$.01 PV Com Stk	98,900	$14.45	Direct
holding	ATRO	Option						115,800	18 Mar 2025	$.01 PV Com Stk	115,800	$11.13	Direct
holding	ATRO	Option						125,000	18 Mar 2025	$.01 PV Com Stk	125,000	$9.74	Direct
holding	ATRO	Option						83,900	18 Mar 2025	$.01 PV Com Stk	83,900	$15.15	Direct
holding	ATRO	Restricted Stock Unit						9,206	18 Mar 2025	$.01 PV Com Stk	9,206		Direct	F4, F5
holding	ATRO	Restricted Stock Unit						26,450	18 Mar 2025	$.01 PV Com Stk	26,450		Direct	F4, F6
holding	ATRO	Option						75,800	18 Mar 2025	$.01 PV Com Stk	75,800	$16.55	Direct
holding	ATRO	Restricted Stock Unit						25,250	18 Mar 2025	$.01 PV Com Stk	25,250		Direct	F4, F7

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares withheld by Astronics Corp. to satisfy applicable withholding tax upon vesting of restricted stock units.
F2	The original Form 4, filed on March 20, 2025, is being amended by this Form 4 amendment to correct an administrative error, which misreported the transaction as Acquired (A) instead of Disposed (D). The amendment shows the transaction as a Disposition (D).
F3	The original Form 4, filed on March 20, 2025, is being amended by this Form 4 amendment to correct an administrative error, which misreported the total amount of securities owned following the reported transaction. The amendment shows the correct securities owned after the transaction.
F4	Each restricted stock unit represents the right to receive, at settlement, one share of common stock.
F5	Vesting of these restricted stock units depends on Astronics Corp.'s average annual adjusted EBITDA for the period January 1, 2023- December 31, 2025. The "target" number of restricted stock units is reported. Between 75% and 115% of the target number of units may vest on February 23, 2026, with the vesting percentage determined based on actual performance.
F6	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.
F7	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.
F8	Vesting of these restricted stock units depends on Astronics Corp.'s average annual adjusted EBITDA for the period January 1, 2022- December 31, 2024. The amount shown reflects 75% of the target number of restricted stock units which vested on February 24, 2025.