# EDGAR Filing Document

**Accession Number:** 0000008063
**File Stem:** 0001140361-26-015304
**Filing Date:** 2026-4
**Character Count:** 2074
**Document Hash:** 079ed329ff86f6f4c8094e313d5a674b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-015304.hdr.sgml**: 20260417

**ACCESSION NUMBER**: 0001140361-26-015304

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260417

**DATE AS OF CHANGE**: 20260417

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ASTRONICS CORP
- **CENTRAL INDEX KEY:** 0000008063
- **STANDARD INDUSTRIAL CLASSIFICATION:** AIRCRAFT PART & AUXILIARY EQUIPMENT, NEC [3728]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 160959303
- **STATE OF INCORPORATION:** NY
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-07087
- **FILM NUMBER:** 26869532

**BUSINESS ADDRESS:**
- **STREET 1:** 130 COMMERCE WAY
- **STREET 2:** -
- **CITY:** EAST AURORA
- **STATE:** NY
- **ZIP:** 14052-2164
- **BUSINESS PHONE:** 716-805-1599

**MAIL ADDRESS:**
- **STREET 1:** 130 COMMERCE WAY
- **STREET 2:** -
- **CITY:** EAST AURORA
- **STATE:** NY
- **ZIP:** 14052-2164

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ASTRONICS LUMINESCENT INC
- **DATE OF NAME CHANGE:** 19711209

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### SCHEDULE 14A<br>

### (Rule 14a-101) <br>

### INFORMATION REQUIRED IN PROXY STATEMENT
Schedule 14A Information

Proxy Statement Pursuant to Section 14(a)<br>

of the Securities Exchange Act of<br>

1934 (Amendment No.)

Filed by the Registrant ☒<br>

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Pursuant §240.14a-12

**ASTRONICS CORPORATION**<br>

(Name of Registrant as specified in its charter)

Payment of Filing Fee (Check all boxes that apply):

☒ No fee required. <br> ☐ Fee paid previously with preliminary materials. <br> ☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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![](ny20063632x2_nc01.jpg)

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