---
schema_version: "secwatch.filing_event.v1"
accession: "0000008063-25-000075"
form_type: "8-K"
ticker: "ATRO"
cik: "0000008063"
company_name: "ASTRONICS CORP"
filed_at: "2025-09-16T23:59:59+00:00"
generated_at: "2026-05-17T06:35:13.119296+00:00"
event_type: "debt"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Astronics issues $225M 0% convertible notes due 2031, repurchases $132M of 5.5% notes

## Summary
- Issued $225M aggregate principal of 0% convertible senior notes due Jan 2031; net proceeds ~$216.7M.
- Used ~$189.8M of proceeds + $85M ABL borrowings + $11M cash to repurchase $132M of 5.5% convertible notes due 2030.
- Paid $26.9M for capped call transactions; cap price $83.4051 (90% premium over reference price of $43.8974).
- Initial conversion price $54.87 per share (25% premium); conversion rate 18.2243 shares per $1,000 principal.
- CEO cites capital structure optimization: lower cost of debt and reduced future dilution for shareholders.

## SEC filing metadata
- accession: 0000008063-25-000075
- form_type: 8-K
- ticker: ATRO
- cik: 0000008063
- company_name: ASTRONICS CORP
- filed_at: 2025-09-16T23:59:59+00:00
- event_type: debt
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/8063/000000806325000075/0000008063-25-000075-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/8063/000000806325000075/atro-20250916.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000008063-25-000075
- JSON: https://secwatch.observer/filing/0000008063-25-000075.json
- Plain text: https://secwatch.observer/filing/0000008063-25-000075.txt

## Key facts
- Debt Financings
  ASTRONICS CORP incurred convertible notes of $225.0 million aggregate principal amount with initial purchasers at 0% maturing January 15, 2031.
  - Instrument: convertible notes
  - Principal: $225.0 million aggregate principal amount
  - Counterparty: initial purchasers
  - Rate: 0%
  - Maturity: January 15, 2031
  - Event: incurrence
  source text: On September 16, 2025, Astronics Corporation (the “Company”) issued $225.0 million aggregate principal amount of 0% Convertible Senior Notes due 2031 (the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/8063/000000806325000075/0000008063-25-000075-index.htm
- Equity Issuances
  ASTRONICS CORP issued a maximum of 5,125,568 shares of the Company’s common stock of convertible note to initial purchasers for $225.0 million aggregate principal amount.
  - Security: convertible note
  - Shares: a maximum of 5,125,568 shares of the Company’s common stock
  - Purchaser: initial purchasers
  - Consideration: $225.0 million aggregate principal amount
  source text: On September 16, 2025, Astronics Corporation (the “Company”) issued $225.0 million aggregate principal amount of 0% Convertible Senior Notes due 2031 (the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/8063/000000806325000075/0000008063-25-000075-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.
