144 0001947007 XXXXXXXX LIVE 0001001233 SANGAMO THERAPEUTICS, INC 000-30171 501 CANAL BLVD. RICHMOND CA 94084 510-970-6000 Nathalie Dubois-Stringfellow Officer Common Stock E*TRADE from Morgan Stanley

PO Box 484 Jersey City NJ 07303-0484

588711 176672.17 414274017 04/06/2026 Nasdaq Common Stock 10/30/2020 ESPP Purchase Issuer N 645 10/30/2020 Cash Common Stock 04/30/2021 ESPP Purchase Issuer N 1802 04/30/2021 Cash Common Stock 05/28/2021 ESPP Purchase Issuer N 474 05/28/2021 Cash Common Stock 10/29/2021 ESPP Purchase Issuer N 322 10/29/2021 Cash Common Stock 02/25/2022 Restricted Stock Units Issuer N 1091 02/25/2022 Vested grant settled in stock; consideration was Reporting Person's continued service as an employee of the Issuer. Common Stock 05/31/2022 ESPP Purchase Issuer N 3122 05/31/2022 Cash Common Stock 02/25/2023 Restricted Stock Units Issuer N 17992 02/25/2023 Vested grant settled in stock; consideration was Reporting Person's continued service as an employee of the Issuer. Common Stock 05/31/2023 ESPP Purchase Issuer N 5000 05/31/2023 Cash Common Stock 11/30/2023 ESPP Purchase Issuer N 5000 11/30/2023 Cash Common Stock 02/25/2024 Restricted Stock Units Issuer N 15192 02/25/2024 Vested grant settled in stock; consideration was Reporting Person's continued service as an employee of the Issuer. Common Stock 05/31/2024 ESPP Purchase Issuer N 5000 05/31/2024 Cash Common Stock 11/29/2024 ESPP Purchase Issuer N 5000 11/29/2024 Cash Common Stock 02/25/2025 Restricted Stock Units Issuer N 29047 02/25/2025 Vested grant settled in stock; consideration was Reporting Person's continued service as an employee of the Issuer. Common Stock 05/30/2025 ESPP Purchase Issuer N 5000 05/30/2025 Cash Common Stock 11/28/2025 ESPP Purchase Issuer N 5000 11/28/2025 Cash Common Stock 01/22/2026 Restricted Stock Units Issuer N 438758 01/22/2026 Vested grant settled instock; consideration was Reporting Person's continued service as an employee ofthe Issuer. Common Stock 02/24/2026 Restricted Stock Units Issuer N 32620 02/24/2026 Vested grant settled in stock; consideration was Reporting Person's continued service as an employee of the Issuer. Common Stock 02/25/2026 Restricted Stock Units Issuer N 17646 02/25/2026 Vested grant settled in stock; consideration was Reporting Person's continued service as an employee of the Issuer. Y 04/06/2026 /s/ Nathalie Dubois-Stringfellow