Robert Sprague Keane - 25 Aug 2026 Form 4 Insider Report for ASTRONICS CORP (ATRO)

Reporting relationship: Director
Issuer ticker: ATRO
Reported as of: 25 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 Aug 2026, 16:22:19 UTC
Prior SEC filing: 18 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/Julie Davis as Power of Attorney for Robert Sprague Keane

Key filing fact

Robert Sprague Keane filed Form 4 for ASTRONICS CORP (ATRO) on 26 Aug 2026.

Key facts

This page summarizes Robert Sprague Keane's Form 4 filing for ASTRONICS CORP (ATRO).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 26 Aug 2026, 16:22.

Change

Previous filing in this sequence was filed on 18 Aug 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001337084 Primary reporting owner

Keane Robert S

Relationship: Director
Address: 130 COMMERCE WAY, EAST AURORA
Signature: /s/Julie Davis as Power of Attorney for Robert Sprague Keane
Signature date: 26 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ATRO transaction

$.01 PV Com Stk

Conversion of derivative security

Transaction value
Shares: +76,000
Change %
Price: $0.000000^*
Shares after: 76,000
Date: 25 Aug 2026
Ownership: Note
Footnotes: F2, F3

ATRO transaction

$.01 PV CL B STK

Conversion of derivative security

Transaction value
Shares: -76,000
Change %: -30%
Price: $0.000000^*
Shares after: 173,838
Date: 25 Aug 2026
Ownership: Note
Footnotes: F2, F3

ATRO holding

$.01 PV Com Stk

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 13,934
Date: 25 Aug 2026
Ownership: Direct

ATRO holding

$.01 PV CL B STK

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,786
Date: 25 Aug 2026
Ownership: Direct

ATRO holding

$.01 PV CL B STK

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 248,263
Date: 25 Aug 2026
Ownership: Note
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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%.

Footnote F2

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

Footnote 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