Mike Slessor sold $560K of FORM stock

Mike Slessor, CEO of Formfactor Inc (FORM), sold 4,735 shares of FORM stock worth $560K, per an SEC Form 4 filed Jul 16, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Jul 15, 2026, 1 day before it was made public.

FORM has moved -17.3% since the trade date, from $115.81 to $95.78 (Nov 11, 2026 close).