SEC Form S-8 filed by Sangamo Therapeutics Inc.

As filed with the Securities and Exchange Commission on August 8, 2025

Registration No. 333-   

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM S-8

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

SANGAMO THERAPEUTICS, INC.

(Exact name of registrant as specified in its charter)

Amended and Restated Sangamo Therapeutics, Inc. 2018 Equity Incentive Plan

(Full Title of Plans)

Alexander D. Macrae

President and Chief Executive Officer

Sangamo Therapeutics, Inc.

501 Canal Blvd.

Richmond, California 94084

(510) 970-6000

(Name, Address, Including Zip Code, and Telephone Number, Including Area Code, of Agent For Service)

Copies to:

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐

EXPLANATORY NOTE

This Registration Statement on Form S-8 is being filed by Sangamo Therapeutics, Inc. (the “Registrant”) with the Securities and Exchange Commission (the “Commission”) for the purpose of registering an additional 14,000,000 shares of the Registrant’s common stock, par value $0.01 per share (the “Common Stock”), to be issued pursuant to the Registrant’s Amended and Restated 2018 Equity Incentive Plan (the “2018 Plan”). The Registrant previously registered (i) 19,131,725 shares of Common Stock that are or may become issuable under the 2018 Plan pursuant to the Registrant’s registration statement on Form S-8 (File No. 333-225552) filed with the Commission on June 11, 2018 (the “2018 Form S-8”), (ii) 9,900,000 shares of Common Stock that are or may become issuable under the 2018 Plan pursuant to the Registrant’s registration statement on Form S-8 (File No. 333-241033) filed with the Commission on August 5, 2020 (the “2020 Form S-8”), (iii) 7,900,000 shares of Common Stock that are or may become issuable under the 2018 Plan pursuant to the Registrant’s registration statement on Form S-8 (File No. 333-269925) filed with the Commission on February 23, 2023 (the “February 2023 Form S-8”), (iv) 10,000,000 shares of Common Stock that are or may become issuable under the 2018 Plan pursuant to the Registrant’s registration statement on Form S-8 (File No. 333-273805) filed with the Commission on August 8, 2023 (the “August 2023 Form S-8”), and (v) 11,000,000 shares of Common Stock that are or may become issuable under the 2018 Plan pursuant to the Registrant’s registration statement on Form S-8 (File No. 333-283180) filed with the Commission on November 12, 2024 (together with the 2018 Form S-8, the 2020 Form S-8, the February 2023 Form S-8 and the August 2023 Form S-8, the “Prior Registration Statements”). This Registration Statement relates to securities of the same class as those to which the Prior Registration Statements relate and is submitted in accordance with General Instruction E of Form S-8. Pursuant to General Instruction E of Form S-8, the contents of the Prior Registration Statements are incorporated by reference herein.

PART II

INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

The following documents filed by the Registrant with the Commission are incorporated by reference into this Registration Statement:

All reports and other documents filed by the Registrant pursuant to Section 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended, other than Current Reports furnished under Item 2.02 or Item 7.01 of Form 8-K and exhibits furnished on such form that relate to such items, after the date of this Registration Statement and prior to the filing of a post-effective amendment which indicates that all securities offered hereby have been sold or which deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference herein and to be a part of this Registration Statement from the date of filing such reports and documents. Any statement contained in a document incorporated or deemed to be incorporated herein by reference shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement herein or in any other subsequently filed document which also is or is deemed to be incorporated by reference herein modifies or supersedes that statement. Any such statement so modified or superseded shall not constitute a part of this Registration Statement, except as so modified or superseded.

Exhibit Index

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the city of Richmond, State of California, on August 8, 2025.

KNOW ALL BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Alexander D. Macrae, Prathyusha Duraibabu and Scott Willoughby, and each of them, as his or her true and lawful attorney-in-fact and agent with the full power of substitution and resubstitution, for him or her and in his or her name, place or stead, in any and all capacities, to sign any and all amendments to this registration statement (including post-effective amendments), and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Act of 1933, as amended, this registration statement has been signed by the following persons in the capacities and on the date indicated.