X0508 4 2026-03-02 0000855658 LATTICE SEMICONDUCTOR CORP LSCC 0001434807 LEDERER JAMES P 5555 NE MOORE COURT HILLSBORO OR 97124 1 0 Common Stock 2026-03-02 4 S 0 5000 99.80 D 45550 D This transaction was executed in multiple trades at prices ranging from $99.8004 to $99.8050. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. /s/ Tracy Feanny, Attorney in Fact For: James P. Lederer 2026-03-03