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SCHEDULE 13D Filed 2026-05-18 Event 2026-05-11 SEC 0001072613-26-000468 →

SR ONE CAPITAL MANAGEMENT, LLC → Odyssey Therapeutics, Inc. ODTX

Stake: 8.00% Shares: 3,794,883 CUSIP: 67613T104 Class: Common Stock, $0.0001 par value per share

Item 4 — Purpose of Transaction

The Funds acquired their respective shares for investment purposes. Depending on market conditions, its continuing evaluation of the business and prospects of the Issuer and other factors, the Funds and other Reporting Persons may dispose of or acquire additional shares of the Issuer. Except as set forth above, none of the Reporting Persons has any present plans which relate to or would result in: (a) The acquisition by any person of additional securities of the Issuer, or the disposition of securities of the Issuer; (b) An extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the Issuer or any of its subsidiaries; (c) A sale or transfer of a material amount of assets of the Issuer or any of its subsidiaries; (d) Any change in the present board of directors or management of the Issuer, including any plans or proposals to change the number or term of directors or to fill any existing vacancies on the board; (e) Any material change in the present capitalization or dividend policy of the Issuer; (f) Any other material change in the Issuer's business or corporate structure; (g) Changes in the Issuer's charter, bylaws or instruments corresponding thereto or other actions which may impede the acquisition of control of the Issuer by any person; (h) Causing a class of securities of the Issuer to be delisted from a national securities exchange or to cease to be authorized to be quoted in an inter-dealer quotation system of a registered national securities association; (i) A class of equity securities of the Issuer becoming eligible for termination of registration pursuant to Section 12(g)(4) of the Securities Exchange Act of 1934; or (j) Any action similar to any of those enumerated above.

Cross-References

Insider Activity (last 365d)
78 transactions
19 buys · 3 sales · 4 awards/exercises
Issuer Cluster
5 13D/G filings on this issuer
4 other filings besides this one
Filer Track Record
8 filings by this filer
7 other filings in the data moat
Short Interest · settle 2026-09-30
DTC 5.63
3,105,465 shares short · +40.6% vs prior

Post-Filing Returns · since 2026-05-11 on ODTX

+1 day
0.0%
+5 days
0.0%
+30 days
0.0%
+60 days
+4.9%
+90 days
—
+180 days
—

Anchor price 15.91 on closest trading day on/after 2026-05-11. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-05-11 TPG GP A, LLC — J 423,111 — —
2026-05-11 SR ONE CAPITAL MANAGEMENT, LLC 10%+ owner C 474,048 — —
2026-05-11 Li Nan (LN) director C 1,709,543 — —
2026-05-11 Chu Shelley director Buy 11,111 $18.00 $200K
2026-05-11 Glick Gary D director, officer C 27,386 — —
2026-05-11 Opipari Anthony W. officer C 6,965 — —
2026-05-11 Opipari Anthony W. officer Option exercise 541 — —
2026-05-11 Opipari Anthony W. officer F 4 $18.00 $72
2026-05-11 Opipari Anthony W. officer C 18,531 — —
2026-05-11 Opipari Anthony W. officer C 11,083 — —
2026-05-11 Opipari Anthony W. officer C 20,000 — —
2026-05-11 Opipari Anthony W. officer C 17,545 — —
2026-05-11 Opipari Anthony W. officer Option exercise 5,263 $0.10 $526
2026-05-11 Glick Gary D director, officer C 100,000 — —
2026-05-11 Glick Gary D director, officer C 166,116 — —
2026-05-11 Li Nan (LN) director Buy 1,111,111 $18.00 $20.00M
2026-05-11 Li Nan (LN) director C 16,611,626 — —
2026-05-11 LEIDEN JEFFREY M director C 28,698 — —
2026-05-11 LEIDEN JEFFREY M director Option exercise 2,963 — —
2026-05-11 LEIDEN JEFFREY M director F 17 $18.00 $306
2026-05-11 LEIDEN JEFFREY M director C 79,166 — —
2026-05-11 LEIDEN JEFFREY M director C 100,000 — —
2026-05-11 LEIDEN JEFFREY M director C 96,002 — —
2026-05-11 LEIDEN JEFFREY M director Option exercise 28,800 $0.10 $3K
2026-05-11 SR ONE CAPITAL MANAGEMENT, LLC 10%+ owner C 139,366 — —
Showing 25 of 78

Other 13D/G Filings on Odyssey Therapeutics, Inc.

FiledFormFilerStakeShares
2026-06-05 SCHEDULE 13G FMR LLC — — view →
2026-05-18 SCHEDULE 13D TPG GP A, LLC 7.80% 3,690,146 view →
2026-05-15 SCHEDULE 13D Dimension Capital II, L.P. 7.10% 3,333,516 view →
2026-05-15 SCHEDULE 13D Jeito II S.L.P. 7.80% 3,690,145 view →

Other Filings by SR ONE CAPITAL MANAGEMENT, LLC

FiledFormIssuerStakeShares
2026-10-05 SCHEDULE 13D ADARx Pharmaceuticals, Inc. 9.30% 9,936,661 view →
2026-08-17 SCHEDULE 13D/A Zenas BioPharma, Inc. — 5,037,854 view →
2026-08-14 SCHEDULE 13D/A Veradermics, Inc. — 2,080,119 view →
2025-10-01 SCHEDULE KALA BIO, Inc. KALA 5.50% 411,000 view →
2023-12-18 SC Arcellx, Inc. ACLX — — view →
2023-06-02 SC Arcellx, Inc. ACLX — — view →
2022-06-27 SC Arcellx, Inc. ACLX — — view →

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