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TRIMAS CORP (TRS)

Institutional ownership, SEC filings and insider activity

Sector: Industry · SEC CIK 0000842633 · EDGAR filings · Updated 2026-07-16

TRIMAS CORP (TRS) has reported institutional ownership of 97.8%, with 193 institutional managers holding positions valued at $1.26B per the latest 13F reporting period. SEC filings include an active bankruptcy or receivership filing (8-K Item 1.03), non-reliance notice on previously issued financial statements (8-K Item 4.02), triggering event that accelerates or increases a direct financial obligation (8-K Item 2.04).

Institutional ownership
97.8%
Institutional managers
193
Reported 13F value
$1.26B
Insider activity
35 trans.
$25.1M net buying
Data flags
3 active
from SEC filings

Latest updates

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, TRIMAS CORP has 193 institutional holders and institutional ownership of 97.8%.

Insider activity

Insiders reported 35 transactions (15 buys, 0 sells) across 13 reporting insiders, with a net reported value of $25.1M.

Data flags from SEC filings

Active bankruptcy or receivership filing (8-K Item 1.03), most recently filed 2021-03-30 (recurring since 2021-03-30) — source filing. The authoritative details are those stated in the filing itself.
Active non-reliance notice on previously issued financial statements (8-K Item 4.02), most recently filed 2021-03-30 (recurring since 2021-03-30) — source filing. The authoritative details are those stated in the filing itself.
Active triggering event that accelerates or increases a direct financial obligation (8-K Item 2.04), most recently filed 2021-03-30 (recurring since 2021-03-30) — source filing. The authoritative details are those stated in the filing itself.

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Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-16.