Form 4: Formfactor CEO Receives Stock Grant
Insider Transaction (Form 4)
Mike Slessor, CEO and a Director of Formfactor Inc, reported multiple transactions in common stock on August 6, 2026.
Summary
- Option exercise/conversion: acquired 141,792 Common Stock on August 7, 2026; holds 576,494 after (Direct).
- Tax/exercise-price withholding: disposed of 78,908 Common Stock at $117.39 ($9,263,010) on August 7, 2026; holds 497,586 after (Direct).
- Option exercise/conversion: acquired 5,908 Common Stock on August 7, 2026; holds 503,494 after (Direct).
- Tax/exercise-price withholding: disposed of 3,288 Common Stock at $117.39 ($385,978) on August 7, 2026; holds 500,206 after (Direct).
- Grant/award: acquired 27,696 Restricted Stock Units on August 6, 2026; holds 27,696 after (Direct).
- Grant/award: acquired 141,792 Performance-based Restricted Stock Units on August 7, 2026; holds 141,792 after (Direct).
- Option exercise/conversion: disposed of 141,792 Performance-based Restricted Stock Units on August 7, 2026 (Direct).
- Option exercise/conversion: disposed of 5,908 Restricted Stock Units on August 7, 2026 (Direct).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
Mike Slessor — Director, Officer (CEO)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-07 | Option exercise/conversion | Common Stock | 141,792 | — | — | 576,494 |
| 2026-08-07 | Tax/exercise-price withholding | Common Stock | 78,908 | $117 | $9.3M | 497,586 |
| 2026-08-07 | Option exercise/conversion | Common Stock | 5,908 | — | — | 503,494 |
| 2026-08-07 | Tax/exercise-price withholding | Common Stock | 3,288 | $117 | $386.0K | 500,206 |
| 2026-08-06 | Grant/award | Restricted Stock Units | 27,696 | — | — | 27,696 |
| 2026-08-07 | Grant/award | Performance-based Restricted Stock Units | 141,792 | — | — | 141,792 |
| 2026-08-07 | Option exercise/conversion | Performance-based Restricted Stock Units | 141,792 | — | — | 0 |
| 2026-08-07 | Option exercise/conversion | Restricted Stock Units | 5,908 | — | — | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-07 | Option exercise/conversion (141,792 shares) |
| 2026-08-07 | Tax/exercise-price withholding (78,908 shares) |
| 2026-08-07 | Option exercise/conversion (5,908 shares) |
| 2026-08-07 | Tax/exercise-price withholding (3,288 shares) |
| 2026-08-06 | Grant/award (27,696 shares) |
| 2026-08-07 | Grant/award (141,792 shares) |
| 2026-08-07 | Option exercise/conversion (141,792 shares) |
| 2026-08-07 | Option exercise/conversion (5,908 shares) |
Keywords
insider transaction, Form 4, FORM, FORMFACTOR INC, neutral, Mike Slessor
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