{"transactions":[{"id":1035443,"issuer":{"id":75097,"kind":"organization","name":"HilleVax, Inc.","symbol":"HLVX"},"owners":[{"id":2662,"kind":"organization","name":"TAKEDA PHARMACEUTICAL CO LTD","symbol":"TAK","position":1,"cik":"0001395064","reported_name":"TAKEDA PHARMACEUTICAL CO LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":75098,"kind":"organization","name":"Takeda Vaccines, Inc.","position":2,"cik":"0001905616","reported_name":"Takeda Vaccines, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-09-19T11:23:13.000Z","date":"2025-09-17","kind":"other","planned":false,"acquired":false,"shares":6724000,"price":1.95,"value":13111800.0,"ownership":{"direct":false,"nature":"See Explanation of Responses"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These shares were sold pursuant to the cash tender offer (the \"Tender Offer\") by XOMA Royalty Corporation, a Nevada corporation (\"Parent\") and XRA 4 Corp., a Delaware corporation and a wholly owned subsidiary of Parent, to purchase all of the outstanding shares of common stock of the Issuer at an offer price of (i) $1.95 per share of common stock and (ii) one non-transferable contractual contingent value right. The Tender Offer expired as scheduled at one minute after 11:59 p.m., Eastern Time, on September 15, 2025 (the \"Expiration Time\") and closing of the Tender Offer was announced on September 17, 2025. As all conditions to the Tender Offer were satisfied or waived, on September 17, 2025, Parent irrevocably accepted for payment all shares validly tendered into and not validly withdrawn from the Tender Offer and paid for all such shares in accordance with the Tender Offer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Takeda Pharmaceutical Company Limited has beneficial ownership of the reported securities, all of which are held directly by Takeda Vaccines, Inc., an indirect wholly-owned subsidiary of Takeda Pharmaceutical Company Limited. Takeda Vaccines, Inc. is owned directly by Takeda Pharmaceuticals U.S.A., Inc., which is owned directly by both Takeda Pharmaceutical Company Limited (72.70%) and Takeda Pharmaceuticals International AG (27.30%). Takeda Pharmaceuticals International AG is a wholly-owned direct subsidiary of Takeda Pharmaceutical Company Limited."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001395064-25-000140","document":"wk-form4_1758280990.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1395064/000139506425000140/wk-form4_1758280990.xml","form_type":"4"}},{"id":2099788,"issuer":{"id":75097,"kind":"organization","name":"HilleVax, Inc.","symbol":"HLVX"},"owners":[{"id":2662,"kind":"organization","name":"TAKEDA PHARMACEUTICAL CO LTD","symbol":"TAK","position":1,"cik":"0001395064","reported_name":"TAKEDA PHARMACEUTICAL CO LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":75098,"kind":"organization","name":"Takeda Vaccines, Inc.","position":2,"cik":"0001905616","reported_name":"Takeda Vaccines, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrant (Right to Buy)","published_at":"2022-12-01T22:47:48.000Z","date":"2022-11-30","kind":"other","acquired":false,"shares":5883500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Explanation of Responses"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Takeda Pharmaceutical Company Limited has beneficial ownership of the reported securities, all of which are held directly by Takeda Vaccines, Inc., an indirect wholly-owned subsidiary of TakedaPharmaceutical Company Limited. Takeda Vaccines, Inc. is owned directly by Takeda Pharmaceuticals U.S.A., Inc., which is owned directly by both Takeda Pharmaceutical Company Limited (72.70%) andTakeda Pharmaceuticals International AG (27.30%). Takeda Pharmaceuticals International AG is a wholly-owned direct subsidiary of Takeda Pharmaceutical Company Limited."}],"balance_after":0,"derivative":{"exercise_price":0.0001,"exercise_date":"2022-05-03","expiration_date":"2031-07-02","underlying":"Common Stock","underlying_shares":5883500},"source":{"system":"sec-edgar","filing":"0001395064-22-000146","document":"wf-form4_166993485183963.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1395064/000139506422000146/wf-form4_166993485183963.xml","form_type":"4"}},{"id":2099787,"issuer":{"id":75097,"kind":"organization","name":"HilleVax, Inc.","symbol":"HLVX"},"owners":[{"id":2662,"kind":"organization","name":"TAKEDA PHARMACEUTICAL CO LTD","symbol":"TAK","position":1,"cik":"0001395064","reported_name":"TAKEDA PHARMACEUTICAL CO LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":75098,"kind":"organization","name":"Takeda Vaccines, Inc.","position":2,"cik":"0001905616","reported_name":"Takeda Vaccines, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-12-01T22:47:48.000Z","date":"2022-11-30","kind":"other","acquired":true,"shares":5883500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Explanation of Responses"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On November 30,2022, the Reporting Person exercised a Warrant to purchase 5,883,500 shares of the Issuers common stock with an exercise price of $0.0000595 per share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Takeda Pharmaceutical Company Limited has beneficial ownership of the reported securities, all of which are held directly by Takeda Vaccines, Inc., an indirect wholly-owned subsidiary of TakedaPharmaceutical Company Limited. Takeda Vaccines, Inc. is owned directly by Takeda Pharmaceuticals U.S.A., Inc., which is owned directly by both Takeda Pharmaceutical Company Limited (72.70%) andTakeda Pharmaceuticals International AG (27.30%). Takeda Pharmaceuticals International AG is a wholly-owned direct subsidiary of Takeda Pharmaceutical Company Limited."}],"balance_after":6724000,"source":{"system":"sec-edgar","filing":"0001395064-22-000146","document":"wf-form4_166993485183963.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1395064/000139506422000146/wf-form4_166993485183963.xml","form_type":"4"}}]}