X0609 4 2026-05-11 true 0001882782 Odyssey Therapeutics, Inc. ODTX 0001853723 SR ONE CAPITAL MANAGEMENT, LLC false 929 MAIN STREET SUITE 200 REDWOOD CITY CA 94063 false false true false 0001595117 George Simeon false 929 MAIN STREET SUITE 200 REDWOOD CITY CA 94063 false false true false false Common Stock 2026-05-11 4 C false 474048 A 474048 I See Note 2 Common Stock 2026-05-11 4 C false 139366 A 613414 I See Note 2 Common Stock 2026-05-11 4 C false 59692 A 673106 I See Note 2 Common Stock 2026-05-11 4 C false 61762 A 734868 I See Note 2 Common Stock 2026-05-11 4 C false 683817 A 1418685 I See Note 2 Common Stock 2026-05-11 4 X false 191541 A 1610226 I See Note 2 Common Stock 2026-05-11 4 S false 1065 18.00 D 1609161 I See Note 2 Common Stock 2026-05-11 4 P false 222222 18.00 A 1831383 I See Note 2 Common Stock 2026-05-11 4 C false 118512 A 118512 I See Note 9 Common Stock 2026-05-11 4 C false 255823 A 374335 I See Note 9 Common Stock 2026-05-11 4 C false 204658 A 204658 I See Note 10 Common Stock 2026-05-11 4 C false 20582 A 225240 I See Note 10 Common Stock 2026-05-11 4 C false 166168 A 391408 I See Note 10 Common Stock 2026-05-11 4 X false 49850 A 441258 I See Note 10 Common Stock 2026-05-11 4 S false 277 18 D 440981 I See Note 10 Common Stock 2026-05-11 4 P false 133333 18 A 574314 I See Note 10 Common Stock 2026-05-11 4 C false 463106 A 463106 I See Note 12 Common Stock 2026-05-11 4 C false 273527 A 736633 I See Note 12 Common Stock 2026-05-11 4 X false 78656 A 815289 I See Note 12 Common Stock 2026-05-11 4 S false 438 18 D 814851 I See Note 12 Common Stock 2026-05-11 4 P false 200000 18 A 1014851 I See Note 12 Series A Convertible Preferred Stock 2026-05-11 4 C false 4606320 D Common Stock 474048 0 I See Note 2 Series A-2 Convertible Preferred Stock 2026-05-11 4 C false 1299842 D Common Stock 139366 0 I See Note 2 Series B Convertible Preferred Stock 2026-05-11 4 C false 544162 D Common Stock 59692 0 I See Note 2 Series C Convertible Preferred Stock 2026-05-11 4 C false 600142 D Common Stock 61762 0 I See Note 2 Series D Convertible Preferred Stock 2026-05-11 4 C false 6644650 D Common Stock 683817 0 I See Note 2 Series D Warrants (Right to Buy) 0.10 2026-05-11 4 X false 1861211 D Common Stock 191541 0 I See Note 2 Series A Convertible Preferred Stock 2026-05-11 4 C false 1151580 D Common Stock 118512 0 I See Note 9 Series B Convertible Preferred Stock 2026-05-11 4 C false 2374981 D Common Stock 255823 0 I See Note 9 Series B Convertible Preferred Stock 2026-05-11 4 C false 1899984 D Common Stock 204658 0 I See Note 10 Series C Convertible Preferred Stock 2026-05-11 4 C false 200000 D Common Stock 20582 0 I See Note 10 Series D Convertible Preferred Stock 2026-05-11 4 C false 1614650 D Common Stock 166168 0 I See Note 10 Series D Warrants (Right to Buy) 0.10 2026-05-11 4 X false 484395 D Common Stock 49850 0 I See Note 10 Series C Convertible Preferred Stock 2026-05-11 4 C false 4500000 D Common Stock 463106 0 I See Note 12 Series D Convertible Preferred Stock 2026-05-11 4 C false 2657860 D Common Stock 273527 0 I See Note 12 Series D Warrants (Right to Buy) 0.10 2026-05-11 4 X false 764312 0 D Common Stock 78656 0 I See Note 12 The Series A Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. The securities are directly held by SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"). SR One Capital Partners I, LP ("SR One Partners I") is the sole general partner of SR One Fund I Aggregator, and SR One Capital Management, LLC ("SR One Capital Management") is the sole general partner of SR One Partners I. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Capital Partners I, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. The Series A-2 Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.3268 basis for no additional consideration. The Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.2837 basis for no additional consideration. The Series C Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. The Series D Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. The warrants to purchase shares of common stock were automatically exercised into shares of Common Stock by their terms immediately prior to the closing of the Issuer's initial public offering on a net exercise basis. Pursuant to the terms of the warrants, the Issuer withheld 1,065 warrant shares to pay the exercise price in connection with the net exercise. The securities are directly held by SR One Co-Invest IV, LLC ("SR One Co-Invest IV"). SR One Co-Invest IV Manager, LLC ("SR One Co-Invest Manager") is the managing member of SR One-Co-Invest IV, and SR One Capital Management is the managing member of SR One Co-Invest Manager. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Co-Invest Manager, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. The securities are directly held by SR One Co-Invest IV-A, LLC ("SR One Co-Invest IV-A"). SR One Co-Invest IV Manager is the managing member of SR One-Co-Invest IV-A, and SR One Capital Management is the managing member of SR One Co-Invest Manager. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Co-Invest Manager, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. Pursuant to the terms of the warrants, the Issuer withheld 277 warrant shares to pay the exercise price in connection with the net exercise. The reported securities are held directly by AMZL, LP ("AMZL"). SR One Capital SMA Partners, LP ("SR One SMA Partners") is the general partner of AMZL, and SR One Capital Management is the general partner of SR One SMA Partners. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One SMA Partners, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein. Pursuant to the terms of the warrants, the Issuer withheld 438 warrant shares to pay the exercise price in connection with the net exercise. /s/ Sasha Keough, attorney-in-fact for SR One Capital Management, LLC 2026-05-11 /s/ Sasha Keough, attorney-in-fact for Simeon George 2026-05-11