Updated Jul 16, 2026
St Dennis Thomas has filed 7 SEC Form 4 filings across 3 companies in the last 90 days — selling. Lifetime open-market sales: $1.68M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-17 | FORM | FORMFACTOR INC | G — Bona-fide gift | 740 | $0.00 | |
| 2026-06-17 | FORM | FORMFACTOR INC | S — Open-market sale | 2.8K | $151.49 | $424K |
| 2026-05-26 | ACLS | AXCELIS TECHNOLOGIES INC | S — Open-market sale | 900 | $155.37 | $140K |
| 2026-05-21 | FORM | FORMFACTOR INC | S — Open-market sale | 1.0K | $115.84 | $116K |
| 2026-05-19 | FORM | FORMFACTOR INC | A — Grant or award | 1.3K | $0.00 | |
| 2026-05-18 | ACLS | AXCELIS TECHNOLOGIES INC | A — Grant or award | 1.4K | $0.00 | |
| 2026-05-13 | VECO | VEECO INSTRUMENTS INC | S — Open-market sale | 1.4K | $61.93 | $87K |
| 2026-05-11 | VECO | VEECO INSTRUMENTS INC | A — Grant or award | 2.9K | $0.00 | |
| 2026-02-11 | FORM | FORMFACTOR INC | S — Open-market sale | 1.8K | $94.24 | $172K |
| 2026-02-11 | FORM | FORMFACTOR INC | S — Open-market sale | 5.6K | $93.71 | $525K |
| 2025-05-29 | FORM | FORMFACTOR INC | S — Open-market sale | 3.0K | $31.24 | $94K |
| 2025-05-16 | FORM | FORMFACTOR INC | A — Grant or award | 6.5K | $0.00 | |
| 2025-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | A — Grant or award | 3.6K | $0.00 | |
| 2025-05-09 | VECO | VEECO INSTRUMENTS INC | A — Grant or award | 8.3K | $0.00 | |
| 2024-11-06 | FORM | FORMFACTOR INC | S — Open-market sale | 3.1K | $39.11 | $121K |
St Dennis Thomas is a corporate insider — currently tracked as Director of FORMFACTOR INC (FORM). InsiderAlpha tracks every SEC Form 4 filing in real time.
7 primary Form 4 filings in the last 90 days, covering 3 companies.
Recorded transactions: 0 open-market purchases () and 8 open-market sales ($1.68M) across all tracked 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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