Form 4: Formfactor CEO Sells Shares
Insider Transaction (Form 4)
Mike Slessor, CEO and a Director of Formfactor Inc, sold 17,510 shares of common stock on September 16, 2026.
Summary
- Open-market sale: disposed of 8,737 Common Stock at $104.26 ($910,920) on September 16, 2026; holds 475,467 after (Direct).
- Open-market sale: disposed of 7,773 Common Stock at $105.12 ($817,098) on September 16, 2026; holds 467,694 after (Direct).
- Open-market sale: disposed of 1,000 Common Stock at $105.80 ($105,800) on September 16, 2026; holds 466,694 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $1,833,817 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Mike Slessor — Director, Officer (CEO)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-16 | Open-market sale | Common Stock | 8,737 | $104 | $910.9K | 475,467 |
| 2026-09-16 | Open-market sale | Common Stock | 7,773 | $105 | $817.1K | 467,694 |
| 2026-09-16 | Open-market sale | Common Stock | 1,000 | $106 | $105.8K | 466,694 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-16 | Open-market sale (8,737 shares) |
| 2026-09-16 | Open-market sale (7,773 shares) |
| 2026-09-16 | Open-market sale (1,000 shares) |
Keywords
insider transaction, Form 4, FORM, FORMFACTOR INC, bearish, Mike Slessor
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