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Merger."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Pursuant to the Merger Agreement, each outstanding option to purchase shares of Common Stock (a \"Company Option\"), whether or not vested, and which had a per share exercise price that was less than the Closing Amount, was canceled and converted into the right of the holder to receive (i) (subject to any applicable withholding taxes) a lump-sum cash payment equal to (x) the excess (if any) of (a) the Closing Amount over (b) the per share exercise price subject to such Company Option, multiplied by (y) the total number of shares subject to such Company Option immediately prior to the effective time of the Merger, and (ii) one (1) CVR for each share subject to such Company Option immediately prior to the effective time of the Merger."}],"balance_after":0,"derivative":{"exercise_price":6.28,"expiration_date":"2031-06-09","underlying":"Common 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2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one-third (1/3rd) of the RSUs subject to the award will vest each year following the RSU Grant Date on the same day of the month as the RSU Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over three (3) years. \"RSU Grant Date\" shall mean January 2, 2024."}],"balance_after":13021,"derivative":{"underlying":"Common 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a broker-assisted sale to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. These shares were sold in multiple transactions at prices that were not available from the broker at the time of filing. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":32456,"source":{"system":"sec-edgar","filing":"0001415889-25-000950","document":"form4-01072025_020140.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588925000950/form4-01072025_020140.xml","form_type":"4"}},{"id":1309534,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2025-01-07T02:52:45.000Z","date":"2025-01-03","kind":"sale","planned":false,"acquired":false,"shares":3301,"price":79.5481,"value":262588.2781,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents a broker-assisted sale to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. These shares were sold in multiple transactions at prices that were not available from the broker at the time of filing. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":35517,"source":{"system":"sec-edgar","filing":"0001415889-25-000950","document":"form4-01072025_020140.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588925000950/form4-01072025_020140.xml","form_type":"4"}},{"id":1309533,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common 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Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Restricted Stock Unit","published_at":"2025-01-07T02:52:43.000Z","date":"2025-01-06","kind":"grant","planned":false,"acquired":true,"shares":52258,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one-fourth (1/4th) of the RSUs subject to the award will vest each year following the RSU Grant Date on the same day of the month as the RSU Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over four (4) years. \"RSU Grant Date\" shall mean January 6, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one-fourth (1/4th) of the RSUs subject to the award will vest each year following the RSU Grant Date on the same day of the month as the RSU Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over four (4) years. \"RSU Grant Date\" shall mean January 6, 2025."}],"balance_after":52258,"derivative":{"underlying":"Common 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2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one-third (1/3rd) of the RSUs subject to the award will vest each year following the RSU Grant Date on the same day of the month as the RSU Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over three (3) years. \"RSU Grant Date\" shall mean January 3, 2023."}],"balance_after":16520,"derivative":{"underlying":"Common 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2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one-third (1/3rd) of the RSUs subject to the award will vest each year following the RSU Grant Date on the same day of the month as the RSU Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over three (3) years. \"RSU Grant Date\" shall mean January 2, 2024."}],"balance_after":26042,"derivative":{"underlying":"Common 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a broker-assisted sale to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. These shares were sold in multiple transactions at prices that were not available from the broker at the time of filing. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":32456,"source":{"system":"sec-edgar","filing":"0001415889-25-000949","document":"form4-01072025_020140.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588925000949/form4-01072025_020140.xml","form_type":"4"}},{"id":1309527,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2025-01-07T02:52:43.000Z","date":"2025-01-03","kind":"sale","planned":false,"acquired":false,"shares":3301,"price":79.5481,"value":262588.2781,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents a broker-assisted sale to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. These shares were sold in multiple transactions at prices that were not available from the broker at the time of filing. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":35517,"source":{"system":"sec-edgar","filing":"0001415889-25-000949","document":"form4-01072025_020140.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588925000949/form4-01072025_020140.xml","form_type":"4"}},{"id":1309526,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common 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Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-09-06T21:48:11.000Z","date":"2024-09-05","kind":"exercise","planned":true,"acquired":false,"shares":3421,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one forty-eighth (1/48th) of the shares subject to the option will vest each month following the Equity Grant Date on the same day of the month as the Equity Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over four (4) years. \"Equity Grant Date\" shall mean February 3, 2022."}],"balance_after":132416,"derivative":{"exercise_price":15,"expiration_date":"2032-02-03","underlying":"Common Stock","underlying_shares":3421},"source":{"system":"sec-edgar","filing":"0001415889-24-023045","document":"form4-09062024_090908.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924023045/form4-09062024_090908.xml","form_type":"4"}},{"id":1412488,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-09-06T21:48:11.000Z","date":"2024-09-05","kind":"sale","planned":true,"acquired":false,"shares":3421,"price":70.0164,"value":239526.1044,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average share price of an aggregate total of 3,421 shares sold in the price range of $70.00 to $70.15 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":9278,"source":{"system":"sec-edgar","filing":"0001415889-24-023045","document":"form4-09062024_090908.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924023045/form4-09062024_090908.xml","form_type":"4"}},{"id":1412487,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-09-06T21:48:11.000Z","date":"2024-09-05","kind":"exercise","planned":true,"acquired":true,"shares":3421,"price":15,"value":51315.0,"ownership":{"direct":true},"balance_after":12699,"source":{"system":"sec-edgar","filing":"0001415889-24-023045","document":"form4-09062024_090908.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924023045/form4-09062024_090908.xml","form_type":"4"}},{"id":1417405,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-09-04T01:33:36.000Z","date":"2024-09-03","kind":"exercise","planned":true,"acquired":false,"shares":5451,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Shares issued pursuant to the Issuer's 2017 Equity Incentive Plan (the \"2017 Plan\"). Subject to the Reporting Person continuing to be a Service Provider (as defined in the 2017 Plan) through each applicable date, twenty-five percent (25%) of the shares subject to the option shall vest on the one (1) year anniversary of the Vesting Commencement Date, and one forty-eighth (1/48th) of the shares subject to the option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). \"Vesting Commencement Date\" shall mean April 26, 2021."}],"balance_after":43604,"derivative":{"exercise_price":6.28,"expiration_date":"2031-06-09","underlying":"Common Stock","underlying_shares":5451},"source":{"system":"sec-edgar","filing":"0001415889-24-022724","document":"form4-09042024_010932.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022724/form4-09042024_010932.xml","form_type":"4"}},{"id":1417404,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-09-04T01:33:36.000Z","date":"2024-09-03","kind":"exercise","planned":true,"acquired":false,"shares":22000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one forty-eighth (1/48th) of the shares subject to the option will vest each month following the Equity Grant Date on the same day of the month as the Equity Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over four (4) years. \"Equity Grant Date\" shall mean February 3, 2022."}],"balance_after":135837,"derivative":{"exercise_price":15,"expiration_date":"2032-02-03","underlying":"Common Stock","underlying_shares":22000},"source":{"system":"sec-edgar","filing":"0001415889-24-022724","document":"form4-09042024_010932.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022724/form4-09042024_010932.xml","form_type":"4"}},{"id":1417403,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-09-04T01:33:36.000Z","date":"2024-09-03","kind":"sale","planned":true,"acquired":false,"shares":2900,"price":70.0698,"value":203202.42,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Represents the weighted average share price of an aggregate total of 2,900 shares sold in the price range of $69.75 to $70.32 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":9278,"source":{"system":"sec-edgar","filing":"0001415889-24-022724","document":"form4-09042024_010932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022724/form4-09042024_010932.xml","form_type":"4"}},{"id":1417402,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-09-04T01:33:36.000Z","date":"2024-09-03","kind":"sale","planned":true,"acquired":false,"shares":1200,"price":69.0598,"value":82871.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average share price of an aggregate total of 1,200 shares sold in the price range of $68.70 to $69.66 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":12178,"source":{"system":"sec-edgar","filing":"0001415889-24-022724","document":"form4-09042024_010932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022724/form4-09042024_010932.xml","form_type":"4"}},{"id":1417401,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-09-04T01:33:36.000Z","date":"2024-09-03","kind":"sale","planned":true,"acquired":false,"shares":1958,"price":68.0125,"value":133168.475,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average share price of an aggregate total of 1,958 shares sold in the price range of $67.65 to $68.59 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":13378,"source":{"system":"sec-edgar","filing":"0001415889-24-022724","document":"form4-09042024_010932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022724/form4-09042024_010932.xml","form_type":"4"}},{"id":1417400,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-09-04T01:33:36.000Z","date":"2024-09-03","kind":"sale","planned":true,"acquired":false,"shares":6617,"price":67.2357,"value":444898.6269,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average share price of an aggregate total of 6,617 shares sold in the price range of $66.65 to $67.64 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":15336,"source":{"system":"sec-edgar","filing":"0001415889-24-022724","document":"form4-09042024_010932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022724/form4-09042024_010932.xml","form_type":"4"}},{"id":1417399,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-09-04T01:33:36.000Z","date":"2024-09-03","kind":"sale","planned":true,"acquired":false,"shares":14776,"price":66.0471,"value":975911.9496,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average share price of an aggregate total of 14,776 shares sold in the price range of $65.61 to $66.60 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":21953,"source":{"system":"sec-edgar","filing":"0001415889-24-022724","document":"form4-09042024_010932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022724/form4-09042024_010932.xml","form_type":"4"}},{"id":1417398,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-09-04T01:33:36.000Z","date":"2024-09-03","kind":"exercise","planned":true,"acquired":true,"shares":5451,"price":6.28,"value":34232.28,"ownership":{"direct":true},"balance_after":36729,"source":{"system":"sec-edgar","filing":"0001415889-24-022724","document":"form4-09042024_010932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022724/form4-09042024_010932.xml","form_type":"4"}},{"id":1417397,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-09-04T01:33:36.000Z","date":"2024-09-03","kind":"exercise","planned":true,"acquired":true,"shares":22000,"price":15,"value":330000.0,"ownership":{"direct":true},"balance_after":31278,"source":{"system":"sec-edgar","filing":"0001415889-24-022724","document":"form4-09042024_010932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022724/form4-09042024_010932.xml","form_type":"4"}},{"id":1420531,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-08-28T20:54:57.000Z","date":"2024-08-26","kind":"exercise","planned":true,"acquired":false,"shares":21684,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one forty-eighth (1/48th) of the shares subject to the option will vest each month following the Equity Grant Date on the same day of the month as the Equity Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over four (4) years. \"Equity Grant Date\" shall mean February 3, 2022."}],"balance_after":157837,"derivative":{"exercise_price":15,"expiration_date":"2032-02-03","underlying":"Common Stock","underlying_shares":21684},"source":{"system":"sec-edgar","filing":"0001415889-24-022473","document":"form4-08282024_080853.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022473/form4-08282024_080853.xml","form_type":"4"}},{"id":1420530,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-08-28T20:54:57.000Z","date":"2024-08-26","kind":"sale","planned":true,"acquired":false,"shares":15252,"price":71.342,"value":1088108.184,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average share price of an aggregate total of 15,252 shares sold in the price range of $71.00 to $71.73 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":9278,"source":{"system":"sec-edgar","filing":"0001415889-24-022473","document":"form4-08282024_080853.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022473/form4-08282024_080853.xml","form_type":"4"}},{"id":1420529,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-08-28T20:54:57.000Z","date":"2024-08-26","kind":"sale","planned":true,"acquired":false,"shares":6432,"price":70.6103,"value":454165.4496,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average share price of an aggregate total of 6,432 shares sold in the price range of $70.00 to $70.99 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":24530,"source":{"system":"sec-edgar","filing":"0001415889-24-022473","document":"form4-08282024_080853.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022473/form4-08282024_080853.xml","form_type":"4"}},{"id":1420528,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-08-28T20:54:57.000Z","date":"2024-08-26","kind":"exercise","planned":true,"acquired":true,"shares":21684,"price":15,"value":325260.0,"ownership":{"direct":true},"balance_after":30962,"source":{"system":"sec-edgar","filing":"0001415889-24-022473","document":"form4-08282024_080853.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924022473/form4-08282024_080853.xml","form_type":"4"}},{"id":1428675,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-08-19T20:39:21.000Z","date":"2024-08-16","kind":"exercise","planned":true,"acquired":false,"shares":5450,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares issued pursuant to the Issuer's 2017 Equity Incentive Plan (the \"2017 Plan\"). Subject to the Reporting Person continuing to be a Service Provider (as defined in the 2017 Plan) through each applicable date, twenty-five percent (25%) of the shares subject to the option shall vest on the one (1) year anniversary of the Vesting Commencement Date, and one forty-eighth (1/48th) of the shares subject to the option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). \"Vesting Commencement Date\" shall mean April 26, 2021."}],"balance_after":49055,"derivative":{"exercise_price":6.28,"expiration_date":"2031-06-09","underlying":"Common Stock","underlying_shares":5450},"source":{"system":"sec-edgar","filing":"0001415889-24-021597","document":"form4-08192024_080816.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924021597/form4-08192024_080816.xml","form_type":"4"}},{"id":1428674,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-08-19T20:39:21.000Z","date":"2024-08-16","kind":"sale","planned":true,"acquired":false,"shares":5450,"price":65.0507,"value":354526.315,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average share price of an aggregate total of 5,450 shares sold in the price range of $65.00 to $65.19 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":9278,"source":{"system":"sec-edgar","filing":"0001415889-24-021597","document":"form4-08192024_080816.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924021597/form4-08192024_080816.xml","form_type":"4"}},{"id":1428673,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-08-19T20:39:21.000Z","date":"2024-08-16","kind":"exercise","planned":true,"acquired":true,"shares":5450,"price":6.28,"value":34226.0,"ownership":{"direct":true},"balance_after":14728,"source":{"system":"sec-edgar","filing":"0001415889-24-021597","document":"form4-08192024_080816.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924021597/form4-08192024_080816.xml","form_type":"4"}},{"id":1442387,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-08-02T20:02:59.000Z","date":"2024-08-01","kind":"exercise","planned":true,"acquired":false,"shares":10684,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one forty-eighth (1/48th) of the shares subject to the option will vest each month following the Equity Grant Date on the same day of the month as the Equity Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over four (4) years. \"Equity Grant Date\" shall mean February 3, 2022."}],"balance_after":179521,"derivative":{"exercise_price":15,"expiration_date":"2032-02-03","underlying":"Common Stock","underlying_shares":10684},"source":{"system":"sec-edgar","filing":"0001415889-24-020601","document":"form4-08022024_080854.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924020601/form4-08022024_080854.xml","form_type":"4"}},{"id":1442386,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-08-02T20:02:59.000Z","date":"2024-08-01","kind":"exercise","planned":true,"acquired":false,"shares":9316,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares issued pursuant to the Issuer's 2017 Equity Incentive Plan (the \"2017 Plan\"). Subject to the Reporting Person continuing to be a Service Provider (as defined in the 2017 Plan) through each applicable date, twenty-five percent (25%) of the shares subject to the option shall vest on the one (1) year anniversary of the Vesting Commencement Date, and one forty-eighth (1/48th) of the shares subject to the option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). \"Vesting Commencement Date\" shall mean April 26, 2021."}],"balance_after":54505,"derivative":{"exercise_price":6.28,"expiration_date":"2031-06-09","underlying":"Common Stock","underlying_shares":9316},"source":{"system":"sec-edgar","filing":"0001415889-24-020601","document":"form4-08022024_080854.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924020601/form4-08022024_080854.xml","form_type":"4"}},{"id":1442385,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-08-02T20:02:59.000Z","date":"2024-08-01","kind":"sale","planned":true,"acquired":false,"shares":732,"price":61.128,"value":44745.696,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average share price of an aggregate total of 732 shares sold in the price range of $61.00 to $61.81 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":9278,"source":{"system":"sec-edgar","filing":"0001415889-24-020601","document":"form4-08022024_080854.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924020601/form4-08022024_080854.xml","form_type":"4"}},{"id":1442384,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-08-02T20:02:59.000Z","date":"2024-08-01","kind":"sale","planned":true,"acquired":false,"shares":19268,"price":60.3949,"value":1163688.9332,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average share price of an aggregate total of 19,268 shares sold in the price range of $60.00 to $60.99 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":10010,"source":{"system":"sec-edgar","filing":"0001415889-24-020601","document":"form4-08022024_080854.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924020601/form4-08022024_080854.xml","form_type":"4"}},{"id":1442383,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-08-02T20:02:59.000Z","date":"2024-08-01","kind":"exercise","planned":true,"acquired":true,"shares":10684,"price":15,"value":160260.0,"ownership":{"direct":true},"balance_after":29278,"source":{"system":"sec-edgar","filing":"0001415889-24-020601","document":"form4-08022024_080854.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924020601/form4-08022024_080854.xml","form_type":"4"}},{"id":1442382,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-08-02T20:02:59.000Z","date":"2024-08-01","kind":"exercise","planned":true,"acquired":true,"shares":9316,"price":6.28,"value":58504.48,"ownership":{"direct":true},"balance_after":18594,"source":{"system":"sec-edgar","filing":"0001415889-24-020601","document":"form4-08022024_080854.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924020601/form4-08022024_080854.xml","form_type":"4"}},{"id":1451622,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-07-18T22:44:23.000Z","date":"2024-07-16","kind":"exercise","planned":true,"acquired":false,"shares":10901,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares issued pursuant to the Issuer's 2017 Equity Incentive Plan (the \"2017 Plan\"). Subject to the Reporting Person continuing to be a Service Provider (as defined in the 2017 Plan) through each applicable date, twenty-five percent (25%) of the shares subject to the option shall vest on the one (1) year anniversary of the Vesting Commencement Date, and one forty-eighth (1/48th) of the shares subject to the option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). \"Vesting Commencement Date\" shall mean April 26, 2021."}],"balance_after":63821,"derivative":{"exercise_price":6.28,"expiration_date":"2031-06-09","underlying":"Common Stock","underlying_shares":10901},"source":{"system":"sec-edgar","filing":"0001415889-24-019782","document":"form4-07182024_100719.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924019782/form4-07182024_100719.xml","form_type":"4"}},{"id":1451621,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-07-18T22:44:23.000Z","date":"2024-07-16","kind":"sale","planned":true,"acquired":false,"shares":10901,"price":65.3017,"value":711853.8317,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average share price of an aggregate total of 10,901 shares sold in the price range of $65.00 to $65.84 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":9278,"source":{"system":"sec-edgar","filing":"0001415889-24-019782","document":"form4-07182024_100719.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924019782/form4-07182024_100719.xml","form_type":"4"}},{"id":1451620,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-07-18T22:44:23.000Z","date":"2024-07-16","kind":"exercise","planned":true,"acquired":true,"shares":10901,"price":6.28,"value":68458.28,"ownership":{"direct":true},"balance_after":20179,"source":{"system":"sec-edgar","filing":"0001415889-24-019782","document":"form4-07182024_100719.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924019782/form4-07182024_100719.xml","form_type":"4"}},{"id":1455126,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-07-12T22:39:36.000Z","date":"2024-07-12","kind":"exercise","planned":true,"acquired":false,"shares":1780,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares issued pursuant to the Issuer's 2017 Equity Incentive Plan (the \"2017 Plan\"). Subject to the Reporting Person continuing to be a Service Provider (as defined in the 2017 Plan) through each applicable date, twenty-five percent (25%) of the shares subject to the option shall vest on the one (1) year anniversary of the Vesting Commencement Date, and one forty-eighth (1/48th) of the shares subject to the option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). \"Vesting Commencement Date\" shall mean April 26, 2021."}],"balance_after":74722,"derivative":{"exercise_price":6.28,"expiration_date":"2031-06-09","underlying":"Common Stock","underlying_shares":1780},"source":{"system":"sec-edgar","filing":"0001415889-24-019537","document":"form4-07122024_100733.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924019537/form4-07122024_100733.xml","form_type":"4"}},{"id":1455125,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-07-12T22:39:36.000Z","date":"2024-07-11","kind":"exercise","planned":true,"acquired":false,"shares":3671,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares issued pursuant to the Issuer's 2017 Equity Incentive Plan (the \"2017 Plan\"). Subject to the Reporting Person continuing to be a Service Provider (as defined in the 2017 Plan) through each applicable date, twenty-five percent (25%) of the shares subject to the option shall vest on the one (1) year anniversary of the Vesting Commencement Date, and one forty-eighth (1/48th) of the shares subject to the option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). \"Vesting Commencement Date\" shall mean April 26, 2021."}],"balance_after":76502,"derivative":{"exercise_price":6.28,"expiration_date":"2031-06-09","underlying":"Common Stock","underlying_shares":3671},"source":{"system":"sec-edgar","filing":"0001415889-24-019537","document":"form4-07122024_100733.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924019537/form4-07122024_100733.xml","form_type":"4"}},{"id":1455124,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-07-12T22:39:36.000Z","date":"2024-07-12","kind":"sale","planned":true,"acquired":false,"shares":1780,"price":60.2108,"value":107175.224,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average share price of an aggregate total of 1,780 shares sold in the price range of $60.00 to $60.65 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":9278,"source":{"system":"sec-edgar","filing":"0001415889-24-019537","document":"form4-07122024_100733.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924019537/form4-07122024_100733.xml","form_type":"4"}},{"id":1455123,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-07-12T22:39:36.000Z","date":"2024-07-12","kind":"exercise","planned":true,"acquired":true,"shares":1780,"price":6.28,"value":11178.4,"ownership":{"direct":true},"balance_after":11058,"source":{"system":"sec-edgar","filing":"0001415889-24-019537","document":"form4-07122024_100733.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924019537/form4-07122024_100733.xml","form_type":"4"}},{"id":1455122,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-07-12T22:39:36.000Z","date":"2024-07-11","kind":"sale","planned":true,"acquired":false,"shares":3671,"price":60.0114,"value":220301.8494,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average share price of an aggregate total of 3,671shares sold in the price range of $60.00 to $60.20 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":9278,"source":{"system":"sec-edgar","filing":"0001415889-24-019537","document":"form4-07122024_100733.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924019537/form4-07122024_100733.xml","form_type":"4"}},{"id":1455121,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-07-12T22:39:36.000Z","date":"2024-07-11","kind":"exercise","planned":true,"acquired":true,"shares":3671,"price":6.28,"value":23053.88,"ownership":{"direct":true},"balance_after":12949,"source":{"system":"sec-edgar","filing":"0001415889-24-019537","document":"form4-07122024_100733.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000141588924019537/form4-07122024_100733.xml","form_type":"4"}},{"id":1459176,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-07-03T20:05:02.000Z","date":"2024-07-01","kind":"exercise","planned":true,"acquired":false,"shares":12964,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one forty-eighth (1/48th) of the shares subject to the option will vest each month following the Equity Grant Date on the same day of the month as the Equity Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over four (4) years. \"Equity Grant Date\" shall mean February 3, 2022."}],"balance_after":190205,"derivative":{"exercise_price":15,"expiration_date":"2032-02-03","underlying":"Common Stock","underlying_shares":12964},"source":{"system":"sec-edgar","filing":"0000950170-24-081487","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000095017024081487/ownership.xml","form_type":"4"}},{"id":1459175,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2024-07-03T20:05:02.000Z","date":"2024-07-01","kind":"exercise","planned":true,"acquired":false,"shares":7036,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares issued pursuant to the Issuer's 2017 Equity Incentive Plan (the \"2017 Plan\"). Subject to the Reporting Person continuing to be a Service Provider (as defined in the 2017 Plan) through each applicable date, twenty-five percent (25%) of the shares subject to the\noption shall vest on the one (1) year anniversary of the Vesting Commencement Date, and one forty-eighth (1/48th) of the shares subject to the option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no\ncorresponding day, on the last day of the month). \"Vesting Commencement Date\" shall mean April 26, 2021."}],"balance_after":80173,"derivative":{"exercise_price":6.28,"expiration_date":"2031-06-09","underlying":"Common Stock","underlying_shares":7036},"source":{"system":"sec-edgar","filing":"0000950170-24-081487","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000095017024081487/ownership.xml","form_type":"4"}},{"id":1459174,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-07-03T20:05:02.000Z","date":"2024-07-01","kind":"sale","planned":true,"acquired":false,"shares":2783,"price":56.195,"value":156390.685,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average share price of an aggregate total of 2,783 shares sold in the price range of $56.06 to $56.47 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":9278,"source":{"system":"sec-edgar","filing":"0000950170-24-081487","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000095017024081487/ownership.xml","form_type":"4"}},{"id":1459173,"issuer":{"id":15294,"kind":"organization","name":"Arcellx, Inc.","symbol":"ACLX"},"owners":[{"id":50968,"kind":"person","name":"Heery Christopher","position":1,"cik":"0001789632","reported_name":"Heery Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2024-07-03T20:05:02.000Z","date":"2024-07-01","kind":"sale","planned":true,"acquired":false,"shares":17217,"price":55.2577,"value":951371.8209,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average share price of an aggregate total of 17,217 shares sold in the price range of $55.03 to $56.00 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of\nthe issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":12061,"source":{"system":"sec-edgar","filing":"0000950170-24-081487","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1786205/000095017024081487/ownership.xml","form_type":"4"}}],"next_cursor":"2024-07-03T20:05:02.000000Z,1459173"}