---
schema_version: "secwatch.filing_event.v1"
accession: "0000842633-25-000128"
form_type: "8-K"
ticker: "TRS"
cik: "0000842633"
company_name: "TRIMAS CORP"
filed_at: "2025-11-05T23:59:59+00:00"
generated_at: "2026-05-17T00:28:56.744068+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# TriMas agrees to sell Aerospace segment for $1.45B to Tinicum/Blackstone affiliate

## Summary
- All-cash purchase price $1.45B; implies ~18x LTM Q3 2025 adjusted EBITDA multiple.
- Closing expected by end of Q1 2026, subject to regulatory approvals and conditions.
- Proceeds to fund focused packaging platform; Strategic Investment Committee formed for M&A and capital return.
- TriMas Board says transaction reflects strong aerospace transformation and compelling valuation.

## SEC filing metadata
- accession: 0000842633-25-000128
- form_type: 8-K
- ticker: TRS
- cik: 0000842633
- company_name: TRIMAS CORP
- filed_at: 2025-11-05T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/842633/000084263325000128/0000842633-25-000128-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/842633/000084263325000128/trs-20251104.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000842633-25-000128
- JSON: https://secwatch.observer/filing/0000842633-25-000128.json
- Plain text: https://secwatch.observer/filing/0000842633-25-000128.txt

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