X0609 4 2026-05-31 0000855658 LATTICE SEMICONDUCTOR CORP LSCC 0001891117 Feanny Tracy Ann false 5555 NE MOORE COURT HILLSBORO OR 97124 1 SVP, General Counsel 0 Common Stock 2026-05-31 4 F 0 445 147.08 D 65824 D These shares were retained by the Issuer in order to meet the tax withholding obligations of the Reporting Person in connection with the vesting of an installment of the restricted stock units. The amount retained by the Issuer was not in excess of the amount of the tax liability. /s/ Tracy Feanny 2026-06-02