Semiconductors & Related Devices · DE · CIK 1039399
FormFactor provides semiconductor test and measurement technologies for the entire product lifecycle
Comparable business profile · signals at a glance
In the 90 days to Mar 18, 2026: 9 sold $8.8M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 18, 2026 | Slessor MikeCEO | Sell | 5,495 | $95.21 | $523K |
| Mar 18, 2026 | Slessor MikeCEO | Sell | 2,832 | $95.73 | $271K |
| Mar 18, 2026 | Slessor MikeCEO | Sell | 1,900 | $94.10 | $179K |
| Mar 5, 2026 | Mckinnis Aric BrendanCFO, SVP Global Finance | Sell | 3,462 | $90.42 | $313K |
| Feb 24, 2026 | White Brian CDirector | Sell | 2,300 | $100.01 | $230K |
| Feb 18, 2026 | Slessor MikeCEO | Sell | 4,934 | $93.97 | $464K |
| Feb 18, 2026 | Slessor MikeCEO | Sell | 2,896 | $94.79 | $275K |
| Feb 18, 2026 | Slessor MikeCEO | Sell | 834 | $92.85 | $77K |
| Feb 11, 2026 | Brewer Kevin JDirector | Sell | 3,000 | $96.20 | $289K |
| Feb 10, 2026 | Rhodes SheriDirector | Sell | 7,634 | $92.61 | $707K |
| Feb 10, 2026 | St Dennis ThomasDirector | Sell | 5,601 | $93.71 | $525K |
| Feb 10, 2026 | Steven-Waiss KelleyDirector | Sell | 2,200 | $93.70 | $206K |
| Feb 10, 2026 | St Dennis ThomasDirector | Sell | 1,830 | $94.24 | $172K |
| Feb 9, 2026 | White Brian CDirector | Sell | 5,500 | $90.95 | $500K |
| Feb 9, 2026 | Obregon-Jimenez RebecaDirector | Sell | 2,770 | $95.82 | $265K |
| Feb 9, 2026 | Titinger JorgeDirector | Sell | 2,000 | $88.84 | $178K |
| Jan 15, 2026 | Slessor MikeCEO | Sell | 6,976 | $76.43 | $533K |
| Jan 15, 2026 | Slessor MikeCEO | Sell | 6,112 | $77.24 | $472K |
| Jan 6, 2026 | Slessor MikeCEO | Sell | 39,606 | $65.00 | $2.6M |
| Dec 17, 2025 | Slessor MikeCEO | Sell | 5,606 | $56.19 | $315K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.