FORMFACTOR INC — Director's Dealing 2026

Feb 19, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FORMFACTOR INC (FORM)
CIK: 0001039399
Period of Report: 2026-02-18

Reporting Person: SLESSOR MIKE (Director, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-18	Common Stock	S	834	$92.85	Disposed	478916	Direct
2026-02-18	Common Stock	S	4934	$93.97	Disposed	473982	Direct
2026-02-18	Common Stock	S	2896	$94.79	Disposed	471086	Direct

Footnotes

F1: The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.

F2: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $92.375 through $93.36. Reporting person undertakes to provide upon request by the SEC
staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F3: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $93.44 through $94.35. Reporting person undertakes to provide upon request by the SEC
staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F4: Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $94.36 through $95.25. Reporting person undertakes to provide upon request by the SEC
staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.