---
schema_version: "secwatch.filing_event.v1"
accession: "0000842633-25-000002"
form_type: "8-K"
ticker: "TRS"
cik: "0000842633"
company_name: "TRIMAS CORP"
filed_at: "2025-01-06T23:59:59+00:00"
generated_at: "2026-05-28T11:49:35.493091+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# TriMas CEO Thomas Amato to step down by June 30, 2025; transition agreement signed

## Summary
- Amato to remain as President and CEO until successor is appointed or June 30, 2025.
- Will then serve as special advisor at 50% salary through June 30; employment ends triggering severance.
- Severance includes $1.575M cash, pro-rata 2025 bonus, COBRA up to 12 months, and continued equity vesting.
- Receives truncated 2025 equity: $600K in RSUs and $900K in target PSUs.
- Will not stand for re-election to Board at 2025 annual meeting.

## SEC filing metadata
- accession: 0000842633-25-000002
- form_type: 8-K
- ticker: TRS
- cik: 0000842633
- company_name: TRIMAS CORP
- filed_at: 2025-01-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/842633/000084263325000002/0000842633-25-000002-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/842633/000084263325000002/trs-20250104.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000842633-25-000002
- JSON: https://secwatch.observer/filing/0000842633-25-000002.json
- Plain text: https://secwatch.observer/filing/0000842633-25-000002.txt

## Key facts
- Executive change
  Thomas Amato changed role as President and Chief Executive Officer at TRIMAS CORP.
  - Action: transition
  - Role: President and Chief Executive Officer
  source text: On June 30, 2025, Mr. Amato’s employment with the Company will end
  evidence_url: https://www.sec.gov/Archives/edgar/data/842633/000084263325000002/0000842633-25-000002-index.htm
- Executive change
  Thomas Amato departed as Director at TRIMAS CORP.
  - Action: will not stand for re-election
  - Role: Director
  source text: Mr. Amato will not stand for re-election to the Company’s Board of Directors at the 2025 annual meeting of stockholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/842633/000084263325000002/0000842633-25-000002-index.htm

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