X0202 SCHEDULE 13G/A 0001493152-25-009710 0001832106 XXXXXXXX LIVE 1 Common Stock, par value $0.0001 per share 06/30/2026 0001422142 Whitehawk Therapeutics, Inc. 00032Q104 2 Headquarters Plaza, East Building 11th Floor Morristown NJ 07960 Rule 13d-1(c) ABG Management Ltd. E9 0.00 817939.00 0.00 817939.00 817939.00 N 1.4 CO Ally Bridge Group (NY) LLC DE 0.00 817939.00 0.00 817939.00 817939.00 N 1.4 OO Ally Bridge MedAlpha Master Fund L.P. E9 0.00 817939.00 0.00 817939.00 817939.00 N 1.4 PN ABG Innovation Capital Partners III GP Limited E9 0.00 0.00 0.00 0.00 0.00 N 0 CO ABG Innovation Capital Partners III GP, L.P. E9 0.00 0.00 0.00 0.00 0.00 N 0 PN Ally Bridge Group Innovation Capital Partners III, L.P. E9 0.00 0.00 0.00 0.00 0.00 N 0 PN ABG Innovation-SO Limited D8 0.00 0.00 0.00 0.00 0.00 N 0 CO ABG Global Life Science Capital Partners V GP Limited E9 0.00 4861314.00 0.00 4861314.00 4861314.00 N 8.1 CO ABG Global Life Science Capital Partners V GP, L.P. E9 0.00 4861314.00 0.00 4861314.00 4861314.00 N 8.1 PN Ally Bridge Group Global Life Science Capital Partners V, L.P. E9 0.00 4861314.00 0.00 4861314.00 4861314.00 N 8.1 PN ABG-SIV, L.P. E9 0.00 4861314.00 0.00 4861314.00 4861314.00 N 8.1 PN ABG V-SIV Limited E9 0.00 4861314.00 0.00 4861314.00 4861314.00 N 8.1 CO Fan Yu O1 0.00 5679253.00 0.00 5679253.00 5679253.00 N 9.4 IN Whitehawk Therapeutics, Inc. 2 Headquarters Plaza, East Building, 11th Floor, Morristown, NJ 07960 Each of the following is hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons." This statement is filed on behalf of: ABG Management Ltd. Ally Bridge Group (NY) LLC Ally Bridge MedAlpha Master Fund L.P. ABG Innovation Capital Partners III GP Limited ABG Innovation Capital Partners III GP, L.P. Ally Bridge Group Innovation Capital Partners III, L.P. ABG Innovation-SO Limited ABG Global Life Science Capital Partners V GP Limited ABG Global Life Science Capital Partners V GP, L.P. Ally Bridge Group Global Life Science Capital Partners V, L.P. ABG-SIV, L.P. ABG V-SIV Limited Mr. Fan Yu The principal business office address for Ally Bridge Group (NY) LLC is 430 Park Avenue, 12th Floor, New York, NY 10022. The principal business office address for ABG Management Ltd. and Mr. Fan Yu is Unit 3902, 39/F, East Tower Cheung Kong Center II, 10 Harcourt Road Central, Hong Kong. The principal business office address for each of the other Reporting Persons is c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, Grand Cayman, Cayman Islands. ABG Innovation-SO Limited is organized under the laws of the British Virgin Islands. Ally Bridge Group (NY) LLC is organized under the laws of the State of Delaware. Mr. Fan Yu is a citizen of Malta. Each of the other Reporting Persons is organized under the laws of the Cayman Islands. Y The information contained on the cover pages to this Schedule 13G is incorporated by reference into this Item 4. The ownership information presented herein represents beneficial ownership of the Issuer's common stock, par value $0.0001 per share ("Common Stock"), based on 57,009,010 shares of Common Stock outstanding as of June 30, 2026, as disclosed by the Issuer. The amount of securities reported herein includes: (i) 817,939 shares of Common Stock held of record by Ally Bridge MedAlpha Master Fund LP; (ii) 1,651,388 shares of Common Stock held of record by ABG V-SIV Limited and (iii) 3,209,926 shares of Common Stock issuable upon exercise of warrants held of record by ABG V-SIV Limited. The warrants are currently exercisable and are subject to a 9.99% beneficial ownership limitation on exercise. ABG Innovation SO Limited no longer holds shares in the Issuer. ABG Management Ltd. is the sole member of Ally Bridge Group (NY) LLC, which manages the investments of Ally Bridge MedAlpha Master Fund L.P. ABG Global Life Science Capital Partners V GP Limited is the general partner of ABG Global Life Science Capital Partners V GP, L.P., which is the general partner of each of Ally Bridge Group Global Life Science Capital Partners V, L.P. and ABG-SIV, L.P., which are the shareholders of ABG V-SIV Limited. Mr. Fan Yu is the controlling stockholder of each of ABG Management Ltd. and ABG Global Life Science Capital Partners V GP Limited. Accordingly, each of the foregoing entities and Mr. Fan Yu may be deemed to share beneficial ownership of the securities held of record by Ally Bridge MedAlpha Master Fund LP, ABG and ABG V-SIV Limited. Each of them disclaims beneficial ownership of such securities. See cover pages See cover pages See cover pages See cover pages See cover pages Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Exhibit 99: Joint Filing Agreement (previously filed). ABG Management Ltd. By: /s/ Fan Yu 08/14/2026 Ally Bridge Group (NY) LLC By: ABG Management Ltd., its managing member, By: /s/ Fan Yu 08/14/2026 Ally Bridge MedAlpha Master Fund L.P. By: Ally Bridge Group (NY) LLC, its manager, By: ABG Management Ltd., its managing member, By: /s/ Fan Yu 08/14/2026 ABG Innovation Capital Partners III GP Limited By: /s/ Fan Yu 08/14/2026 ABG Innovation Capital Partners III GP, L.P. By: ABG Innovation Capital Partners III GP Limited, its general partner, By: /s/ Fan Yu 08/14/2026 Ally Bridge Group Innovation Capital Partners III, L.P. By: ABG Innovation Capital Partners III GP, L.P., By: ABG Innovation Capital Partners III GP Limited, By: /s/ Fan Yu 08/14/2026 ABG Innovation-SO Limited By: /s/ Shan-ju Yeh 08/14/2026 ABG Global Life Science Capital Partners V GP Limited By: /s/ Shan-ju Yeh 08/14/2026 ABG Global Life Science Capital Partners V GP, L.P. By: ABG Global Life Science Capital Partners V GP Limited, its general partner, By: /s/ Shan-ju Yeh 08/14/2026 Ally Bridge Group Global Life Science Capital Partners V, L.P. By: ABG Global Life Science Capital Partners V GP, L.P., ABG Global Life Science Capital Partners V GP Limited, /s/ Shan-ju Yeh 08/14/2026 ABG-SIV, L.P. By: ABG Global Life Science Capital Partners V GP, L.P., ABG Global Life Science Capital Partners V GP Limited, /s/ Shan-ju Yeh 08/14/2026 ABG V-SIV Limited By: /s/ Shan-ju Yeh 08/14/2026 Fan Yu /s/ Fan Yu 08/14/2026