Summary
Updated Aug 31, 2026
Herbert K. Parker is Director of TRIMAS CORP (TRS). 7 SEC Form 4 filings on record going back to 2025, most recently on 1 July 2026. Most recent open-market trade: sold $675K of TRS on 1 July 2026. Lifetime open-market sales: $2.53M.
Recent Transactions
8Every recent SEC Form 4 transaction Herbert K. Parker has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Herbert K. Parker go back to 2025: 7 primary Form 4 filings, an average of 3.5 per year. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Herbert K. Parker files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Jodi F. Robin - $206K of TRS open-market activity in the last 12 months
- Jeffrey A. Fielkow - $63K of TRS open-market activity in the last 12 months
- Daniel P. Tredwell - $10K of TRS open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Herbert K. Parker?
Herbert K. Parker is a corporate insider, tracked as Director of TRIMAS CORP (TRS). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Herbert K. Parker submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Herbert K. Parker been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($2.53M) across all tracked filings.
Where can I see all of Herbert K. Parker's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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