PureTech Entities File Form 3 for Seaport Therapeutics Ownership

PureTech LYT, Inc., PureTech Health LLC, and PureTech Health plc have filed a Form 3 initial statement of beneficial ownership for Seaport Therapeutics, Inc. (SPTX). The filing reveals that PureTech LYT, Inc. holds 302,479 shares of common stock and convertible preferred stock that can convert into 15,420,534 additional common shares. The preferred stock includes Series A-1 (convertible to 12,736,014 common shares), Series A-2 (convertible to 2,681,265 common shares), and Series B (convertible to 965,255 common shares). All three PureTech entities are listed as 10% owners, with PureTech Health plc having ultimate control over voting and disposition decisions through its ownership structure. The preferred stock will automatically convert to common stock upon Seaport Therapeutics' initial public offering.