SEC Form 4 · accession 0001628280-26-043887
ASTRONICS CORP · ATRO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Peter J Gundermann
Officer — PRESIDENT/CEO · Director
Period of report
Jun 15, 2026
Accepted (ET)
Jun 17, 2026 · 4:13 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000008063
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| $.01 PV CL B STK | Jun 15, 2026 | J | 168,375 | $0.00 | A | 916,286 | D | |
| $.01 PV Com Stk | holding | — | — | — | 93,968 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Option | $26.47 | Jun 15, 2026 | J | 3,325 | A | Dec 14, 2017 | Dec 14, 2026 | $.01 PV CL B STK | 3,325 | 5,494 | D |
| Option | $29.68 | Jun 15, 2026 | J | 6,049 | A | Dec 12, 2018 | Dec 12, 2027 | $.01 PV CL B STK | 6,049 | 9,994 | D |
| Option | $26.31 | Jun 15, 2026 | J | 6,958 | A | Dec 13, 2019 | Dec 13, 2028 | $.01 PV CL B STK | 6,958 | 6,958 | D |
| Option | $25.03 | Jun 15, 2026 | J | 12,240 | A | Dec 9, 2020 | Dec 9, 2029 | $.01 PV CL B STK | 12,240 | 12,240 | D |
| Option | $12.04 | Jun 15, 2026 | J | 19,780 | A | Jan 22, 2022 | Jan 22, 2031 | $.01 PV CL B STK | 19,780 | 19,780 | D |
| Option | $9.28 | Jun 15, 2026 | J | 23,160 | A | Dec 9, 2022 | Dec 9, 2031 | $.01 PV CL B STK | 23,160 | 23,160 | D |
| Option | $8.12 | Jun 15, 2026 | J | 25,000 | A | Dec 16, 2023 | Dec 16, 2032 | $.01 PV CL B STK | 25,000 | 25,000 | D |
| Option | $12.63 | Jun 15, 2026 | J | 16,780 | A | Dec 7, 2024 | Dec 7, 2033 | $.01 PV CL B STK | 16,780 | 16,780 | D |
| Restricted Stock UnitF4,F3 | — | Jun 15, 2026 | J | 5,290 | A | — | — | $.01 PV CL B STK | 5,290 | 5,290 | D |
| Option | $13.79 | Jun 15, 2026 | J | 15,160 | A | Dec 5, 2025 | Dec 5, 2034 | $.01 PV CL B STK | 15,160 | 15,160 | D |
| Restricted Stock UnitF4,F5 | — | Jun 15, 2026 | J | 5,050 | A | — | — | $.01 PV CL B STK | 5,050 | 5,050 | D |
| Option | $43.10 | Jun 15, 2026 | J | 5,950 | A | Dec 4, 2026 | Dec 4, 2035 | $.01 PV CL B STK | 5,950 | 5,950 | D |
| Restricted Stock UnitF4,F6 | — | Jun 15, 2026 | J | 2,430 | A | — | — | $.01 PV CL B STK | 2,430 | 2,430 | D |
| Option | $26.47 | holding | — | — | — | Dec 14, 2017 | Dec 14, 2026 | $.01 PV Com Stk | 14,460 | 14,460 | D |
| Option | $29.68 | holding | — | — | — | Dec 12, 2018 | Dec 12, 2027 | $.01 PV Com Stk | 26,300 | 26,300 | D |
| Option | $26.31 | holding | — | — | — | Dec 13, 2019 | Dec 13, 2028 | $.01 PV Com Stk | 34,790 | 34,790 | D |
| Option | $25.03 | holding | — | — | — | Dec 9, 2020 | Dec 9, 2029 | $.01 PV Com Stk | 61,200 | 61,200 | D |
| Option | $12.04 | holding | — | — | — | Jan 22, 2022 | Jan 22, 2031 | $.01 PV Com Stk | 98,900 | 98,900 | D |
| Option | $9.28 | holding | — | — | — | Dec 9, 2022 | Dec 9, 2031 | $.01 PV Com Stk | 115,800 | 115,800 | D |
| Option | $8.12 | holding | — | — | — | Dec 16, 2023 | Dec 16, 2032 | $.01 PV Com Stk | 125,000 | 125,000 | D |
| Option | $12.63 | holding | — | — | — | Dec 7, 2024 | Dec 7, 2033 | $.01 PV Com Stk | 83,900 | 83,900 | D |
| Restricted Stock UnitF2,F3 | — | holding | — | — | — | — | — | $.01 PV Com Stk | 26,450 | 26,450 | D |
| Option | $13.79 | holding | — | — | — | Dec 5, 2025 | Dec 5, 2034 | $.01 PV Com Stk | 75,800 | 75,800 | D |
| Restricted Stock UnitF2,F5 | — | holding | — | — | — | — | — | $.01 PV Com Stk | 25,250 | 25,250 | D |
| Option | $43.10 | holding | — | — | — | Dec 4, 2026 | Dec 4, 2035 | $.01 PV Com Stk | 29,750 | 29,750 | D |
| Restricted Stock UnitF2,F6 | — | holding | — | — | — | — | — | $.01 PV Com Stk | 12,150 | 12,150 | D |
Explanation of responses
- F1Shares 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.
- F2Each restricted stock unit represents the right to receive, at settlement, one share of common stock.
- F3Vesting 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.
- F4Each restricted stock unit represents the right to receive, at settlement, one share of class B stock.
- F5Vesting 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.
- F6Vesting 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.