Astronics director converts 76K Class B shares

ASTRONICS CORP (ATRO) director Robert S. Keane reported an internal share reclassification on August 25, 2026.

Rhea-AI Filing Summary

ASTRONICS CORP (ATRO) director Robert S. Keane reported an internal share reclassification on August 25, 2026. Boston & Saranac LLC, an entity indirectly associated with him, converted 76,000 Class B shares into 76,000 shares of $.01 par value common stock, all held indirectly. Keane also reports direct holdings of 13,934 common shares and 2,786 Class B shares, plus an additional indirect Class B position held in a trust where he is one of multiple beneficiaries with a proportionate interest below 25%.

Insider Trade Summary

Conversion: 152,000 shares

Conversion 5 txns

Insider Keane Robert S

Role Director

Type	Security	Shares	Price	Value
Conversion	$.01 PV Com Stk F2, F3	76,000	$0.00	$0.00
Conversion	$.01 PV CL B STK F2, F3	76,000	$0.00	$0.00
holding	$.01 PV Com Stk	--	--	--
holding	$.01 PV CL B STK	--	--	--
holding	$.01 PV CL B STK F1	--	--	--

Holdings After Transaction: $.01 PV Com Stk — 76,000 shares (Indirect, Note); $.01 PV CL B STK — 422,101 shares (Indirect, Note); $.01 PV Com Stk — 13,934 shares (Direct); $.01 PV CL B STK — 2,786 shares (Direct)

Footnotes (3)

1. F1. Reporting Person is one of multiple potential beneficiaries to the direct owner of these shares, which is a trust (EAK & KRK Trust U/A/D 10-15-97 FBO Elizabeth A. Keane). The entire amount of the trust's interest is reported on this form, however the Reporting Person's proportionate interest is below 25%.
2. F2. Conversion of 76,000 Class B shares held by Boston & Saranac LLC on August 25, 2026.
3. F3. The direct owner is Boston & Saranac LLC, a Delaware limited liability company ("Boston & Saranac"). Boston & Saranac is 100% owned by a trust whose beneficiaries are the Reporting Person and his spouse

Key Figures

Class B shares converted: 76,000 shares Common shares received in conversion: 76,000 shares Indirect common shares after transaction: 76,000 shares +2 more

5 metrics

Class B shares converted 76,000 shares Conversion of Class B into common stock on August 25, 2026

Common shares received in conversion 76,000 shares Indirectly held through Boston & Saranac LLC after conversion

Indirect common shares after transaction 76,000 shares Total indirect common shares reported following conversion

Direct common stock holdings 13,934 shares Direct $.01 par value common stock held after transactions

Direct Class B stock holdings 2,786 shares Direct $.01 par value Class B stock held after transactions

Key Terms

Conversion of derivative security, indirect ownership, Class B shares, beneficiaries

4 terms

Conversion of derivative security financial

"transaction_code_description": "Conversion of derivative security"

indirect ownership financial

""ownership_type": "indirect", "ownership_code": "I""

Class B shares financial

"Conversion of 76,000 Class B shares held by Boston & Saranac LLC"

Class B shares are one type of a company’s stock that carries a specific set of rights — often different voting power or dividend rules compared with other classes. For investors, that affects influence over company decisions and potential income: owning Class B might mean fewer or more votes per share or different claim on profits, like having a different seat at a decision table or a different slice of the payout pie.

beneficiaries financial

"a trust whose beneficiaries are the Reporting Person and his spouse"

Beneficiaries are the people or organizations designated to receive benefits, such as money or assets, from a financial arrangement like a trust, insurance policy, or retirement plan. They matter to investors because choosing the right beneficiaries ensures that assets are passed on according to their wishes, providing financial security or support to loved ones when needed. Think of beneficiaries as the intended recipients of a gift or inheritance.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ATRO director Robert S. Keane report?

Robert S. Keane reported a conversion of 76,000 Class B shares into 76,000 shares of $.01 par value common stock on August 25, 2026, through Boston & Saranac LLC, an indirectly owned entity linked to a trust benefiting him and his spouse.

How many ATRO common shares were involved in the August 25, 2026 transaction?

The filing reports that 76,000 Class B shares were converted into 76,000 shares of $.01 par value common stock, all held indirectly through Boston & Saranac LLC after the conversion.

What are Robert S. Keane’s direct share holdings in ASTRONICS CORP (ATRO) after the reported transactions?

After the reported transactions, Robert S. Keane directly holds 13,934 shares of $.01 par value common stock and 2,786 shares of $.01 par value Class B stock of Astronics Corp.

How are the 76,000 indirectly held ATRO shares owned following the conversion?

The 76,000 common shares are held indirectly by Boston & Saranac LLC, which is 100% owned by a trust whose beneficiaries are Robert S. Keane and his spouse, according to the footnotes in the filing.

Does the Form 4 indicate that ATRO director Keane used a Rule 10b5-1 trading plan?

The document-level checkbox for Rule 10b5-1 is not checked, and there is no footnote stating that the conversion was made pursuant to a Rule 10b5-1 trading plan.

What other indirect ATRO holdings does Robert S. Keane report?

Keane reports an additional indirect holding of Class B shares in a trust (EAK & KRK Trust U/A/D 10-15-97 FBO Elizabeth A. Keane), where he is one of multiple beneficiaries and his proportionate interest is below 25%.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/26/2026 - 04:23 PM EDT Accepted by SEC EDGAR 08/26/2026 - 04:22 PM EDT Learn about SEC filing dates

SEC 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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Keane Robert S

(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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/25/2026

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)
			Code	V	Amount	(A) or (D)	Price
$.01 PV Com Stk								13,934	D
$.01 PV CL B STK								2,786	D
$.01 PV CL B STK								248,263	I	Note(1)
$.01 PV Com Stk	08/25/2026		C(2)		76,000	A	$0	76,000	I	Note(3)
$.01 PV CL B STK	08/25/2026		C(2)		76,000	D	$0	173,838	I	Note(3)

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reporting Person is one of multiple potential beneficiaries to the direct owner of these shares, which is a trust (EAK & KRK Trust U/A/D 10-15-97 FBO Elizabeth A. Keane). The entire amount of the trust's interest is reported on this form, however the Reporting Person's proportionate interest is below 25%.

2. Conversion of 76,000 Class B shares held by Boston & Saranac LLC on August 25, 2026.

3. The direct owner is Boston & Saranac LLC, a Delaware limited liability company ("Boston & Saranac"). Boston & Saranac is 100% owned by a trust whose beneficiaries are the Reporting Person and his spouse

Remarks:

	/s/Julie Davis as Power of Attorney for Robert Sprague Keane	08/26/2026
	** 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)