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Any portion of the option not vested on the date of the next annual stockholder meeting will vest in full, subject to the Reporting Person's Continuous Service through such date. The option will also vest in full in the event of the Reporting Person's death, Disability (as defined in the Plan) or upon a Change in Control (as defined in the Plan)."}],"balance_after":6500,"derivative":{"exercise_price":7.93,"expiration_date":"2036-06-10","underlying":"Common Stock","underlying_shares":6500},"source":{"system":"sec-edgar","filing":"0001851336-26-000002","document":"wk-form4_1781289534.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1851336/000185133626000002/wk-form4_1781289534.xml","form_type":"4"}},{"id":1130663,"issuer":{"id":7177,"kind":"organization","name":"Instil Bio, Inc."},"owners":[{"id":38808,"kind":"person","name":"Matcham George","position":1,"cik":"0001851336","reported_name":"Matcham George","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2025-05-29T19:10:47.000Z","date":"2025-05-28","kind":"grant","planned":false,"acquired":true,"shares":6500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option will vest in 12 substantially equal monthly installments commencing on June 28, 2025, subject to the Reporting Person's Continuous Service (as defined in the company's 2021 Equity Incentive Plan, the \"Plan\") through the vesting dates. Any portion of the option not vested on the date of the next annual stockholder meeting will vest in full, subject to the Reporting Person's Continuous Service through such date. The option will also vest in full in the event of the Reporting Person's death, Disability (as defined in the Plan) or upon a Change in Control (as defined in the Plan)."}],"balance_after":6500,"derivative":{"exercise_price":26.75,"expiration_date":"2035-05-27","underlying":"Common Stock","underlying_shares":6500},"source":{"system":"sec-edgar","filing":"0001789769-25-000066","document":"wk-form4_1748560241.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1851336/000178976925000066/wk-form4_1748560241.xml","form_type":"4"}},{"id":1480855,"issuer":{"id":7177,"kind":"organization","name":"Instil Bio, Inc."},"owners":[{"id":38808,"kind":"person","name":"Matcham George","position":1,"cik":"0001851336","reported_name":"Matcham George","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2024-06-13T17:03:22.000Z","date":"2024-06-13","kind":"grant","planned":false,"acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option will vest in 12 substantially equal monthly installments commencing on July 13, 2024, subject to the Reporting Person's Continuous Service (as defined in the company's 2021 Equity Incentive Plan, the \"Plan\") through the vesting dates. Any portion of the option not vested on the date of the next annual stockholder meeting will vest in full, subject to the Reporting Person's Continuous Service through such date. The option will also vest in full in the event of the Reporting Person's death, Disability (as defined in the Plan) or upon a Change in Control (as defined in the Plan)."}],"balance_after":5000,"derivative":{"exercise_price":10.5,"expiration_date":"2034-06-12","underlying":"Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001789769-24-000067","document":"wk-form4_1718312594.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1851336/000178976924000067/wk-form4_1718312594.xml","form_type":"4"}},{"id":1681705,"issuer":{"id":7177,"kind":"organization","name":"Instil Bio, Inc."},"owners":[{"id":38808,"kind":"person","name":"Matcham George","position":1,"cik":"0001851336","reported_name":"Matcham George","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2024-01-10T19:49:04.000Z","date":"2023-06-14","kind":"grant","planned":false,"acquired":true,"shares":1500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option will vest in 12 equal monthly installments commencing on July 14, 2023, subject to the Report Person's continued service as a director through the vesting date."}],"balance_after":1500,"derivative":{"exercise_price":11.18,"expiration_date":"2033-06-13","underlying":"Common Stock","underlying_shares":1500},"source":{"system":"sec-edgar","filing":"0001789769-24-000007","document":"wk-form4_1704934135.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1851336/000178976924000007/wk-form4_1704934135.xml","form_type":"4"}},{"id":2256902,"issuer":{"id":7177,"kind":"organization","name":"Instil Bio, Inc."},"owners":[{"id":38808,"kind":"person","name":"Matcham George","position":1,"cik":"0001851336","reported_name":"Matcham George","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Employee Stock Option (right to buy)","published_at":"2022-05-25T17:57:27.000Z","date":"2022-05-20","kind":"grant","acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option will vest in 12 equal monthly installments commencing on June 20, 2022, subject to the Report Person's continued service as a director through the vesting date."}],"balance_after":30000,"derivative":{"exercise_price":7.27,"expiration_date":"2032-05-19","underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001789769-22-000045","document":"wf-form4_165351582144757.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1851336/000178976922000045/wf-form4_165351582144757.xml","form_type":"4"}},{"id":2776426,"issuer":{"id":7177,"kind":"organization","name":"Instil Bio, Inc."},"owners":[{"id":38808,"kind":"person","name":"Matcham George","position":1,"cik":"0001851336","reported_name":"Matcham George","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2021-03-22T20:54:25.000Z","date":"2021-03-18","kind":"grant","acquired":true,"shares":52000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option will vest in 36 equal monthly installments commencing on April 18, 2021, subject to the Report Person's continued service as a director through the vesting date."}],"balance_after":52000,"derivative":{"exercise_price":20,"expiration_date":"2031-03-18","underlying":"Common Stock","underlying_shares":52000},"source":{"system":"sec-edgar","filing":"0001209191-21-022475","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1851336/000120919121022475/doc4.xml","form_type":"4"}}]}