• FormFactor director Thomas St Dennis sold 1,000 shares on May 19 at a weighted average price of 115.84.
• Directly held stake fell to 31,873 shares following the transaction.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. FormFactor Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001628280-26-037428), on May 21, 2026, and is solely responsible for the information contained therein.