Form 4: Formfactor CEO Reports Stock Transaction
Insider Transaction (Form 4)
Mike Slessor, CEO and a Director of Formfactor Inc, reported multiple transactions in common stock on August 5, 2026.
Summary
- Option exercise/conversion: acquired 3,644 Common Stock on August 5, 2026; holds 434,056 after (Direct).
- Tax/exercise-price withholding: disposed of 2,028 Common Stock at $114.44 ($232,084) on August 5, 2026; holds 432,028 after (Direct).
- Option exercise/conversion: acquired 6,031 Common Stock on August 6, 2026; holds 438,059 after (Direct).
- Tax/exercise-price withholding: disposed of 3,357 Common Stock at $115.21 ($386,760) on August 6, 2026; holds 434,702 after (Direct).
- Option exercise/conversion: disposed of 3,644 Restricted Stock Units on August 5, 2026; holds 14,576 after (Direct).
- Option exercise/conversion: disposed of 6,031 Restricted Stock Units on August 6, 2026; holds 48,248 after (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 |
|---|---|---|---|---|---|---|
| 2026-08-05 | Option exercise/conversion | Common Stock | 3,644 | — | — | 434,056 |
| 2026-08-05 | Tax/exercise-price withholding | Common Stock | 2,028 | $114 | $232.1K | 432,028 |
| 2026-08-06 | Option exercise/conversion | Common Stock | 6,031 | — | — | 438,059 |
| 2026-08-06 | Tax/exercise-price withholding | Common Stock | 3,357 | $115 | $386.8K | 434,702 |
| 2026-08-05 | Option exercise/conversion | Restricted Stock Units | 3,644 | — | — | 14,576 |
| 2026-08-06 | Option exercise/conversion | Restricted Stock Units | 6,031 | — | — | 48,248 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-05 | Option exercise/conversion (3,644 shares) |
| 2026-08-05 | Tax/exercise-price withholding (2,028 shares) |
| 2026-08-06 | Option exercise/conversion (6,031 shares) |
| 2026-08-06 | Tax/exercise-price withholding (3,357 shares) |
| 2026-08-05 | Option exercise/conversion (3,644 shares) |
| 2026-08-06 | Option exercise/conversion (6,031 shares) |
Keywords
insider transaction, Form 4, FORM, FORMFACTOR INC, neutral, Mike Slessor
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