---
schema_version: "secwatch.filing_event.v1"
accession: "0000842633-25-000069"
form_type: "8-K"
ticker: "TRS"
cik: "0000842633"
company_name: "TRIMAS CORP"
filed_at: "2025-03-20T23:59:59+00:00"
generated_at: "2026-05-24T11:17:25.995140+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# TriMas CFO Scott Mell resigns; board member Finley named interim CFO, guidance reaffirmed

## Summary
- Scott Mell resigned as CFO effective March 20, 2025, to pursue another opportunity; no accounting issues or disagreements.
- Board member Teresa Finley appointed interim CFO and Treasurer; she steps down from Audit and Compensation Committees.
- Director Jeffrey Greene will not stand for re-election at May 2025 annual meeting, citing no disagreement with company.
- TriMas reaffirms full-year 2025 guidance, citing solid start to the year.

## SEC filing metadata
- accession: 0000842633-25-000069
- form_type: 8-K
- ticker: TRS
- cik: 0000842633
- company_name: TRIMAS CORP
- filed_at: 2025-03-20T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/842633/000084263325000069/0000842633-25-000069-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/842633/000084263325000069/trs-20250314.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000842633-25-000069
- JSON: https://secwatch.observer/filing/0000842633-25-000069.json
- Plain text: https://secwatch.observer/filing/0000842633-25-000069.txt

## Key facts
- Executive change
  Jeffrey M. Greene departed as Director at TRIMAS CORP.
  - Action: not stand for re-election
  - Role: Director
  source text: On March 19, 2025, Jeffrey M. Greene informed the Board that he will not stand for re-election as a director at the Company’s Annual Meeting of Shareholders expected to be held on or around May 14, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/842633/000084263325000069/0000842633-25-000069-index.htm
- Executive change
  Scott A. Mell resigned as Chief Financial Officer at TRIMAS CORP.
  - Action: resigned
  - Role: Chief Financial Officer
  source text: On March 14, 2025, Scott A. Mell tendered his resignation as the Chief Financial Officer and as an employee of TriMas Corporation (the “ Company ”), effective March 20, 2025 (the “ Effective Date ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/842633/000084263325000069/0000842633-25-000069-index.htm
- Executive change
  Teresa M. Finley was appointed as Interim Chief Financial Officer at TRIMAS CORP.
  - Action: appointed
  - Role: Interim Chief Financial Officer
  source text: On March 19, 2025, the Board of Directors of the Company (the “ Board ”) appointed Teresa M. Finley, a member of the Board, as the Company’s Interim Chief Financial Officer (“ Interim CFO ”), effective as of the Effective Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/842633/000084263325000069/0000842633-25-000069-index.htm

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