SLESSOR MIKE sold $1.8M of FORM
SLESSOR MIKE (CEO) sold 17,510 shares of FORMFACTOR INC (FORM) at an average of $104.73 ($104.26–$105.80, $1.83M total) across 3 trades on 2026-09-16 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The filing provides fresh data on insider holdings, which traders may use to gauge sentiment.
Market read
New insider transaction could influence short‑term trading decisions on FORM.
What to watch
Potential upcoming product launches or earnings could offset the sell pressure.
Background
FormFactor Inc. filed a Form 4 reporting the CEO's insider sale.
Ticker impact
CEO Mike Slessor sold 17,510 shares for $1.83M via a 10b5‑1 plan, reducing his stake to 466,694 shares.
Potential modest dip of 1‑2% in the near term.
Large insider sell by CEO, though pre‑arranged, often prompts sell‑side sentiment.
Market effects
Minimal impact on the broader hardware sector.
Limited to US markets where FORM trades.
Low
Counterpoint
The sale was pre‑arranged under a 10b5‑1 plan, so it may not reflect a change in outlook.
Key entities
- PersonMike Slessor
CEO of FormFactor Inc.
- CompanyFormFactor Inc.
Manufacturer of electronic components, ticker FORM.




