Mike Slessor sold $1.4M of FORM stock

Mike Slessor, CEO of Formfactor Inc (FORM), sold 11,890 shares of FORM stock worth $1.4M, per an SEC Form 4 filed Jun 11, 2026.

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

The trade happened on Jun 10, 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).