---
schema_version: "secwatch.filing_event.v1"
accession: "0000842633-23-000010"
form_type: "8-K"
ticker: "TRS"
cik: "0000842633"
company_name: "TRIMAS CORP"
filed_at: "2023-03-07T23:59:59+00:00"
generated_at: "2026-06-18T10:53:00.056869+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# TriMas Aerospace President John Schaefer resigns; William Dickey named interim acting President

## Summary
- John P. Schaefer resigns as President of TriMas Aerospace effective March 17, 2023, to pursue other opportunities.
- Resignation not related to any disagreement with the Company on operations, policies, or practices.
- William Dickey, age 60, appointed acting President on interim basis until permanent replacement named.
- Dickey previously served as TriMas Vice President of Special Projects since August 2021.
- Dickey holds a BS from Purdue University and an MBA from Indiana Wesleyan University.

## SEC filing metadata
- accession: 0000842633-23-000010
- form_type: 8-K
- ticker: TRS
- cik: 0000842633
- company_name: TRIMAS CORP
- filed_at: 2023-03-07T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/842633/000084263323000010/0000842633-23-000010-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/842633/000084263323000010/trs-20230302.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000842633-23-000010
- JSON: https://secwatch.observer/filing/0000842633-23-000010.json
- Plain text: https://secwatch.observer/filing/0000842633-23-000010.txt

## Key facts
- Executive change
  William Dickey was appointed as acting President of TriMas Aerospace at TRIMAS CORP.
  - Action: appointed
  - Role: acting President of TriMas Aerospace
  source text: On March 6, 2023, William Dickey was appointed acting President of TriMas Aerospace on an interim basis until the Company appoints a permanent replacement.
  evidence_url: https://www.sec.gov/Archives/edgar/data/842633/000084263323000010/0000842633-23-000010-index.htm
- Executive change
  John P. Schaefer resigned as President of TriMas Aerospace at TRIMAS CORP.
  - Action: resigned
  - Role: President of TriMas Aerospace
  source text: On March 2, 2023, Mr. John P. Schaefer tendered his resignation, effective March 17, 2023 (the "Effective Date"), as President of TriMas Aerospace, a division of TriMas Corporation (the “Company”), to pursue other business opportunities.
  evidence_url: https://www.sec.gov/Archives/edgar/data/842633/000084263323000010/0000842633-23-000010-index.htm

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