FormFactor CEO Mike Slessor Sells Shares Under Prearranged Trading Plan
Mike Slessor, CEO of FormFactor (NASDAQ: FORM), sold 17,510 shares on September 16, 2026, under a Rule 10b5-1 trading plan. The transaction was non-discretionary and executed at an average price of $104.73 per share, totaling approximately $1.8 million in value. The sale occurred as the stock had delivered a strong one-year total return of 229% by that date. Slessor still holds over 466,694 shares directly, representing about 0.6% ownership and a market value of around $49 million at the time of the transaction. The company operates in semiconductor testing solutions with proprietary probe card technology and systems for integrated circuit verification during production.
Tickers: $FORM
Topics: executive sales SEC Form 4 semiconductors