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prior to the next annual meeting of stockholders following the Date of Grant. \"Date of Grant\" shall mean June 12, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This Form 4 is filed by Avoro Capital Advisors LLC, a Delaware limited liability company (\"Avoro Capital Advisors\"), Avoro Ventures LLC, a Delaware limited liability company (\"Avoro Ventures\") and Behzad Aghazadeh (\"Dr. Aghazadeh\", and together with Avoro Capital Advisors and Avoro Ventures, the \"Reporting Persons\"). Dr. Aghazadeh serves as the portfolio manager and controlling person of Avoro Capital Advisors and Avoro Ventures LLC."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The filing of this statement shall not be deemed an admission that any Reporting Person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein."}],"balance_after":38040,"derivative":{"exercise_price":4.16,"expiration_date":"2036-06-12","underlying":"Common Stock","underlying_shares":38040},"source":{"system":"sec-edgar","filing":"0001701815-26-000006","document":"form4-06152026_090652.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1879253/000170181526000006/form4-06152026_090652.xml","form_type":"4"}},{"id":774808,"issuer":{"id":6074,"kind":"organization","name":"Whitehawk Therapeutics, Inc.","symbol":"WHWK"},"owners":[{"id":38028,"kind":"person","name":"Dugan Margaret","position":1,"cik":"0001909734","reported_name":"Dugan Margaret","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical 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Pursuant to the terms of the Pre-Funded Warrant, the holder cannot exercise any of the Pre-Funded Warrant to the extent the holder and its affiliates, including the Reporting Person, would beneficially own, after any such exercise, more than 4.99% of the outstanding Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Subject to the terms and conditions set forth in the Pre-Funded Warrant, the holder thereof may, at any time and from time to time on or after May 14, 2026, exercise the Pre-Funded Warrant until it has been exercised in full. Pursuant to the terms of the Pre-Funded Warrant, the holder cannot exercise any of the Pre-Funded Warrant to the extent the holder and its affiliates, including the Reporting Person, would beneficially own, after any such exercise, more than 4.99% of the outstanding Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Pre-Funded Warrant held by KVP Capital, LP. The Reporting Person is the Managing Director of KVP Capital. The Reporting Person disclaims beneficial ownership of the Pre-Funded Warrant held by KVP Capital, except to the extent of his pecuniary interest therein."}],"balance_after":2072756,"derivative":{"exercise_price":0.0001,"underlying":"Common Stock","underlying_shares":2072756},"source":{"system":"sec-edgar","filing":"0001355758-26-000003","document":"form4-05182026_080536.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1422142/000135575826000003/form4-05182026_080536.xml","form_type":"4"}},{"id":774803,"issuer":{"id":6074,"kind":"organization","name":"Whitehawk Therapeutics, Inc.","symbol":"WHWK"},"owners":[{"id":38133,"kind":"person","name":"Castelein Caley","position":1,"cik":"0001355758","reported_name":"Castelein Caley","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-18T20:02:43.000Z","date":"2026-05-14","kind":"grant","planned":false,"acquired":true,"shares":255102,"price":3.92,"value":999999.84,"ownership":{"direct":true},"balance_after":274796,"source":{"system":"sec-edgar","filing":"0001355758-26-000003","document":"form4-05182026_080536.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1422142/000135575826000003/form4-05182026_080536.xml","form_type":"4"}},{"id":779396,"issuer":{"id":6074,"kind":"organization","name":"Whitehawk Therapeutics, Inc.","symbol":"WHWK"},"owners":[{"id":28273,"kind":"person","name":"Avoro Capital Advisors LLC","position":1,"cik":"0001633313","reported_name":"Avoro Capital Advisors LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":28272,"kind":"person","name":"Aghazadeh Behzad","position":2,"cik":"0001701815","reported_name":"Aghazadeh Behzad","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":28274,"kind":"person","name":"Avoro Ventures LLC","position":3,"cik":"0001879253","reported_name":"Avoro Ventures LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}}],"security":"Pre-funded Warrant (right to buy)","published_at":"2026-05-14T23:40:47.000Z","date":"2026-05-12","kind":"grant","planned":false,"acquired":true,"shares":6377714,"price":3.9199,"value":25000001.1086,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on behalf of accounts managed by Avoro Capital Advisors (as defined below) directly from the Issuer in a private placement."},{"field":"shares","element":"transactionShares","label":"F1","text":"The securities reported herein were acquired on behalf of accounts managed by Avoro Capital Advisors (as defined below) directly from the Issuer in a private placement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Subject to the terms and conditions set forth in the Pre-funded Warrant, the holder thereof may, at any time and from time to time on or after May 12, 2026, exercise the Pre-funded Warrant until it has been exercised in full. Pursuant to the terms of the Pre-Funded Warrant, the Reporting Persons cannot exercise any of the Pre-Funded Warrants to the extent the Reporting Persons would beneficially own, after any such exercise, more than 19.99% of the outstanding Common Stock (the \"19.99% Blocker\"). Consequently, at this time, the Reporting Persons are not able to exercise all the Pre-Funded Warrants due to the 19.99% Blocker."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Subject to the terms and conditions set forth in the Pre-funded Warrant, the holder thereof may, at any time and from time to time on or after May 12, 2026, exercise the Pre-funded Warrant until it has been exercised in full. Pursuant to the terms of the Pre-Funded Warrant, the Reporting Persons cannot exercise any of the Pre-Funded Warrants to the extent the Reporting Persons would beneficially own, after any such exercise, more than 19.99% of the outstanding Common Stock (the \"19.99% Blocker\"). Consequently, at this time, the Reporting Persons are not able to exercise all the Pre-Funded Warrants due to the 19.99% Blocker."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"This Form 4 is filed by Avoro Capital Advisors LLC, a Delaware limited liability company (\"Avoro Capital Advisors\"), Avoro Ventures LLC, a Delaware limited liability company (\"Avoro Ventures\") and Behzad Aghazadeh (\"Dr. Aghazadeh\", and together with Avoro Capital Advisors and Avoro Ventures, the \"Reporting Persons\"). Dr. Aghazadeh serves as the portfolio manager and controlling person of Avoro Capital Advisors and Avoro Ventures."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The filing of this statement shall not be deemed an admission that any Reporting Person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. 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Pursuant to the terms of the Pre-Funded Warrant, the Reporting Persons cannot exercise any of the Pre-Funded Warrants to the extent the Reporting Persons would beneficially own, after any such exercise, more than 19.99% of the outstanding Common Stock (the \"19.99% Blocker\"). Consequently, at this time, the Reporting Persons are not able to exercise all the Pre-Funded Warrants due to the 19.99% Blocker."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Subject to the terms and conditions set forth in the Pre-funded Warrant, the holder thereof may, at any time and from time to time on or after March 4, 2025, exercise the Pre-funded Warrant until it has been exercised in full. Pursuant to the terms of the Pre-Funded Warrant, the Reporting Persons cannot exercise any of the Pre-Funded Warrants to the extent the Reporting Persons would beneficially own, after any such exercise, more than 19.99% of the outstanding Common Stock (the \"19.99% Blocker\"). Consequently, at this time, the Reporting Persons are not able to exercise all the Pre-Funded Warrants due to the 19.99% Blocker."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"This Form 4 is filed by Avoro Capital Advisors LLC, a Delaware limited liability company (\"Avoro Capital Advisors\"), Avoro Ventures LLC, a Delaware limited liability company (\"Avoro Ventures\") and Behzad Aghazadeh (\"Dr. Aghazadeh\", and together with Avoro Capital Advisors and Avoro Ventures, the \"Reporting Persons\"). 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