SCHEDULE 13G/A 0001466153 XXXXXXXX LIVE 5 Common Stock 06/30/2025 0000855658 Lattice Semiconductor Corporation 518415104 5555 NE Moore Court Hillsboro OR 97124 Rule 13d-1(b) Artisan Partners Asset Management Inc. DE 0 3945234 0 4702294 4702294 N 3.4 HC (g) Artisan Partners Holdings LP is the sole limited partner of Artisan Partners Limited Partnership and the sole member of Artisan Investments GP LLC; Artisan Investments GP LLC is the general partner of Artisan Partners Limited Partnership; Artisan Partners Asset Management Inc. is the general partner of Artisan Partners Holdings LP. Artisan Partners Holdings LP DE 0 3945234 0 4702294 4702294 N 3.4 HC (g) Artisan Partners Holdings LP is the sole limited partner of Artisan Partners Limited Partnership and the sole member of Artisan Investments GP LLC; Artisan Investments GP LLC is the general partner of Artisan Partners Limited Partnership; Artisan Partners Asset Management Inc. is the general partner of Artisan Partners Holdings LP. Artisan Investments GP LLC DE 0 3945234 0 4702294 4702294 N 3.4 HC (g) Artisan Partners Holdings LP is the sole limited partner of Artisan Partners Limited Partnership and the sole member of Artisan Investments GP LLC; Artisan Investments GP LLC is the general partner of Artisan Partners Limited Partnership; Artisan Partners Asset Management Inc. is the general partner of Artisan Partners Holdings LP. Artisan Partners Limited Partnership DE 0 3945234 0 4702294 4702294 N 3.4 IA (e) Artisan Partners Limited Partnership is an investment adviser registered under section 203 of the Investment Advisers Act of 1940. (g) Artisan Partners Holdings LP is the sole limited partner of Artisan Partners Limited Partnership and the sole member of Artisan Investments GP LLC; Artisan Investments GP LLC is the general partner of Artisan Partners Limited Partnership; Artisan Partners Asset Management Inc. is the general partner of Artisan Partners Holdings LP. Lattice Semiconductor Corporation 5555 NE Moore Court, Hillsboro, Oregon, 97124 Artisan Partners Asset Management Inc. ("APAM") Artisan Partners Holdings LP ("Artisan Holdings") Artisan Investments GP LLC ("Artisan Investments") Artisan Partners Limited Partnership ("APLP") APAM, Artisan Holdings, Artisan Investments, and APLP are all located at: 875 East Wisconsin Avenue, Suite 800 Milwaukee, WI 53202 APAM is a Delaware corporation; Artisan Holdings is a Delaware limited partnership; Artisan Investments is a Delaware limited liability company; APLP is a Delaware limited partnership N IA HC 4,702,294 3.4% (based on 137,507,531 shares outstanding as of 05/01/2025) None 3,945,234 None 4,702,294 N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Artisan Partners Asset Management Inc. /s/ Gregory K. Ramirez 08/12/2025 Artisan Partners Holdings LP /s/ Gregory K. Ramirez 08/12/2025 Artisan Investments GP LLC /s/ Gregory K. Ramirez 08/12/2025 Artisan Partners Limited Partnership /s/ Gregory K. Ramirez 08/12/2025 Exhibit Index Exhibit 1 - Joint Filing Agreement dated 08/12/2025 by and among Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC, and Artisan Partners Limited Partnership