BRIAN C WHITE plan to sell securities of FORMFACTOR, INC. under Form 144

BRIAN C WHITE filed Form 144 to notify SEC of plan to sell 3250 units of FORMFACTOR, INC. securities around 2026-05-20, with aggregate market value of $409,500.00. The total outstanding units is 77954772.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 02/24/2026, sold 2300 units for $230023.00;