X0508 4 2025-08-16 0000855658 LATTICE SEMICONDUCTOR CORP LSCC 0001992449 Desale Pravin 5555 NE MOORE COURT HILLSBORO OR 97124 1 SVP, R&D 0 Common Stock 2025-08-16 4 F 0 417 63.53 D 112833 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. The total beneficial ownership of shares includes 446 shares acquired on June 30, 2025 under the Issuer's 2012 Employee Stock Purchase Plan. /s/ Tracy Feanny, Attorney in Fact For: Pravin Desale 2025-08-18