Form 4 Filing for FormFactor Inc.

This filing details a transaction made by STEVEN-WAISS KELLEY, a director at FORMFACTOR INC. On September 3, 2026, Mr. Kelley disposed of 2,100 shares of Common Stock at a price of $96.10 per share. Following this transaction, Mr. Kelley directly owns 24,426 shares of FormFactor Inc. Common Stock. The transaction code "S" typically indicates a sale, and the disposal code "D" confirms the reduction in shares held.