Updated Jul 16, 2026 · Last SEC filing 2026-07-01
TRIMAS CORP (TRS) has filed 4 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-01. 2 Form 8-K material event filings were reported by TRS in the last 90 days. 3 Form 144 notices of proposed sale were filed for TRS stock. InsiderAlpha tracks every TRS SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000842633 |
|---|
| Form 4 filings (90d) | 4 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 3 |
| Latest Form 4 filing | 2026-07-01 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Parker Herbert K | Director | S — Open-market sale | 15.0K | $45.03 | $675K | SEC | |
| Snyder Thomas James | President and CEO | F — Tax withholding / forfeiture | 22.2K | $43.60 | $966K | SEC | |
| Tredwell Daniel P | Director | P — Open-market purchase | 62 | $40.58 | $3K | SEC | |
| Robin Jodi F. | General Counsel and Secretary | S — Open-market sale | 2.0K | $41.60 | $83K | SEC | |
| Robin Jodi F. | General Counsel and Secretary | S — Open-market sale | 3.0K | $41.09 | $123K | SEC | |
| SEDAGHAT SHAWN | Director | A — Grant or award | 640 | $39.03 | $25K | SEC | |
| Finley Teresa | Director | F — Tax withholding / forfeiture | 6.2K | $34.04 | $211K | SEC | |
| Fielkow Jeffrey A | Director | A — Grant or award | 2.9K | $0.00 | — | SEC | |
| Robin Jodi F. | General Counsel and Secretary | A — Grant or award | 5.4K | $0.00 | — | SEC | |
| Robin Jodi F. | General Counsel and Secretary | F — Tax withholding / forfeiture | 2.4K | $35.04 | $84K | SEC | |
| Stress Jill S. | Chief Human Resources Officer | F — Tax withholding / forfeiture | 2.0K | $35.04 | $70K | SEC | |
| SHAPIRA ADRIANNE | Director | A — Grant or award | 2.9K | $0.00 | — | SEC | |
| Parker Herbert K | Director | A — Grant or award | 2.9K | $0.00 | — | SEC | |
| Boehne Holly M | Director | A — Grant or award | 2.9K | $0.00 | — | SEC | |
| Stanage Nick L | Director | A — Grant or award | 2.9K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for TRIMAS CORP (TRS). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Robin Jodi F. | 2 | $206K |
| Tredwell Daniel P | 1 | $3K |
| Parker Herbert K | 1 | $675K |
| Snyder Thomas James | 1 | $966K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in TRS insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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