SCHEDULE 13D
Explanatory Note
Pursuant to Rule 13d-2 of the Securities Exchange Act of 1934, as amended, this Amendment No. 3 (this “Amendment”) amends and supplements certain items of the Schedule 13D filed with the Securities and Exchange Commission (the “SEC”) on April 11, 2018, as amended by Amendment No. 1 filed with the SEC on August 19, 2020 and Amendment No. 2 filed with the SEC on July 22, 2022 (the “Original Schedule 13D”), by the Reporting Persons relating to the Common Stock of Seres Therapeutics, Inc. (the “Issuer”). This Amendment amends the Original Schedule 13D on behalf of the Reporting Persons to furnish the information set forth herein. Except as set forth below, all Items of the Original Schedule 13D remain unchanged. All capitalized terms contained herein but not otherwise defined shall have the meanings ascribed to such terms in the Original Schedule 13D.
Item 3. Source and Amount of Funds or Other Consideration
Item 3 of the Original Schedule 13D is hereby amended and supplemented to include the following:
On September 30, 2024, pursuant to a certain Securities Purchase Agreement, dated August 5, 2025 (the “SPA”), the Issuer sold 14,285,715 shares of its Common Stock, par value $0.001 per share (the “Acquired Shares”), to Société des Produits Nestlé S.A., a Swiss société anonyme (“SPN”), at a purchase price per share of $1.05, for an aggregate purchase price of $15 million. SPN purchased the Acquired Shares with available cash.
Item 4. Purpose of Transaction
Item 4 of the Original Schedule 13D is hereby amended and supplemented to include the following:
On September 30, 2024, the Issuer sold 14,285,715 shares of Common Stock to SPN in connection with the execution of that certain Asset Purchase Agreement (the “Asset Purchase Agreement”), dated August 5, 2024, by and between the Issuer and SPN, pursuant to which the Issuer agreed to, among other things, sell its VOWST microbiome therapeutic business to SPN. As a closing condition to the Asset Purchase Agreement, the Issuer and SPN entered into the SPA.
The information in Item 6 of this Amendment is incorporated by reference herein.
Item 5. Interest in Securities of the Issuer
Items 5(a) – (b) of the Original Schedule 13D are hereby amended and restated as follows:
The information contained on the cover pages to this Amendment is incorporated herein by reference. Prior to the consummation of the transactions contemplated by the SPA, SPN held 7,496,038 shares of Common Stock, par value $0.001 per share of the Issuer (the “Previously Acquired Shares”). The 14,285,715 shares of Common Stock acquired pursuant to the SPA reported on this Amendment are directly held by SPN, which is a wholly-owned subsidiary of Nestlé S.A. Based on the information contained in the Issuer’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on September 26, 2024, the total issued and outstanding shares of Common Stock held by SPN , which includes the Previously Acquired Shares and the Acquired Shares, comprises approximately 14.29% of the Issuer’s issued and outstanding Common Stock.
Except for the shares of Common Stock owned by SPN described in this Item 5, none of the Reporting Persons beneficially own any other securities of the Issuer.