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The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes the unvested portion of the reporting person's RSU grants."}],"balance_after":193024,"source":{"system":"sec-edgar","filing":"0001671311-25-000009","document":"wk-form4_1766097311.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000167131125000009/wk-form4_1766097311.xml","form_type":"4"}},{"id":963185,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":36383,"kind":"person","name":"Jarrett Jennifer","position":1,"cik":"0001671311","reported_name":"Jarrett Jennifer","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2025-12-18T22:35:14.000Z","date":"2025-12-16","kind":"sale","planned":true,"acquired":false,"shares":11225,"price":21.8843,"value":245651.2675,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold by the issuer on the reporting person's behalf to cover tax withholding obligations in connection with the vesting of certain RSUs (previously reported in Table I) following the\ndate of grant. The sale occurred automatically pursuant to the Issuer's equity administration policy, which was implemented on May 22, 2025, and does not represent a discretionary trade by the reporting\nperson."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.42 to $22.39, inclusive. The reporting person undertakes to provide to\nthe Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the\nranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes the unvested portion of the reporting person's RSU grants."}],"balance_after":203007,"source":{"system":"sec-edgar","filing":"0001671311-25-000009","document":"wk-form4_1766097311.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000167131125000009/wk-form4_1766097311.xml","form_type":"4"}},{"id":963184,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":30815,"kind":"person","name":"Jaen Juan C.","position":1,"cik":"0001422996","reported_name":"Jaen Juan C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-12-18T22:35:08.000Z","date":"2025-12-17","kind":"sale","planned":true,"acquired":false,"shares":9983,"price":22.1595,"value":221218.2885,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold by the issuer on the reporting person's behalf to cover tax withholding obligations in connection with the vesting of certain RSUs (previously reported in Table I) following the date of grant. The sale occurred automatically pursuant to the Issuer's equity administration policy, which was implemented on May 22, 2025, and does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.92 to $22.42, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes the unvested portion of the reporting person's RSU grants."}],"balance_after":346012,"source":{"system":"sec-edgar","filing":"0001422996-25-000015","document":"wk-form4_1766097305.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000142299625000015/wk-form4_1766097305.xml","form_type":"4"}},{"id":963183,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":30815,"kind":"person","name":"Jaen Juan C.","position":1,"cik":"0001422996","reported_name":"Jaen Juan C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-12-18T22:35:08.000Z","date":"2025-12-16","kind":"sale","planned":true,"acquired":false,"shares":11225,"price":21.8843,"value":245651.2675,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold by the issuer on the reporting person's behalf to cover tax withholding obligations in connection with the vesting of certain RSUs (previously reported in Table I) following the date of grant. 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The sale occurred automatically pursuant to the Issuer's equity administration policy, which was implemented on May 22, 2025, and does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.92 to $22.42, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 236 shares purchased on November 30, 2025 through the Company's Employee Stock Purchase Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes the unvested portion of the reporting person's RSU grants."}],"balance_after":2194809,"source":{"system":"sec-edgar","filing":"0001182473-25-000005","document":"wk-form4_1766097299.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000118247325000005/wk-form4_1766097299.xml","form_type":"4"}},{"id":963181,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":36787,"kind":"person","name":"ROSEN TERRY J","position":1,"cik":"0001182473","reported_name":"ROSEN TERRY J","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-12-18T22:35:02.000Z","date":"2025-12-16","kind":"sale","planned":true,"acquired":false,"shares":28947,"price":21.8843,"value":633484.8321,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold by the issuer on the reporting person's behalf to cover tax withholding obligations in connection with the vesting of certain RSUs (previously reported in Table I) following the date of grant. 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The sale occurred automatically pursuant to the Issuer's equity administration policy, which was implemented on May 22, 2025, and does not represent a discretionary trade by the reporting\nperson."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.92 to $22.42, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes the unvested portion of the reporting person's RSU grants."}],"balance_after":124734,"source":{"system":"sec-edgar","filing":"0001836662-25-000005","document":"wk-form4_1766097342.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1836662/000183666225000005/wk-form4_1766097342.xml","form_type":"4"}},{"id":963235,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":38803,"kind":"person","name":"Tang Carolyn C.","position":1,"cik":"0001836662","reported_name":"Tang Carolyn C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Common Stock","published_at":"2025-12-18T17:35:45.000Z","date":"2025-12-16","kind":"sale","planned":true,"acquired":false,"shares":7658,"price":21.8843,"value":167589.9694,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold by the issuer on the reporting person's behalf to cover tax withholding obligations in connection with the vesting of certain RSUs (previously reported in Table I) following the\ndate of grant. The sale occurred automatically pursuant to the Issuer's equity administration policy, which was implemented on May 22, 2025, and does not represent a discretionary trade by the reporting\nperson."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.42 to $22.39, inclusive. The reporting person undertakes to provide to\nthe Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the\nranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 1 share purchased on November 30, 2025 through the Company's Employee Stock Purchase Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes the unvested portion of the reporting person's RSU grants."}],"balance_after":131544,"source":{"system":"sec-edgar","filing":"0001836662-25-000005","document":"wk-form4_1766097342.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1836662/000183666225000005/wk-form4_1766097342.xml","form_type":"4"}},{"id":963408,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":68806,"kind":"person","name":"Markus Richard","position":1,"cik":"0002056093","reported_name":"Markus Richard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2025-12-18T17:35:37.000Z","date":"2025-12-17","kind":"sale","planned":true,"acquired":false,"shares":4494,"price":22.1595,"value":99584.793,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold by the issuer on the reporting person's behalf to cover tax withholding obligations in connection with the vesting of certain RSUs (previously reported in Table I) following the\ndate of grant. The sale occurred automatically pursuant to the Issuer's equity administration policy, which was implemented on May 22, 2025, and does not represent a discretionary trade by the reporting\nperson."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.92 to $22.42, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes the unvested portion of the reporting person's RSU grants."}],"balance_after":65647,"source":{"system":"sec-edgar","filing":"0002056093-25-000005","document":"wk-form4_1766097334.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2056093/000205609325000005/wk-form4_1766097334.xml","form_type":"4"}},{"id":963407,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":68806,"kind":"person","name":"Markus Richard","position":1,"cik":"0002056093","reported_name":"Markus Richard","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2025-12-18T17:35:37.000Z","date":"2025-12-16","kind":"sale","planned":true,"acquired":false,"shares":5052,"price":21.8843,"value":110559.4836,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold by the issuer on the reporting person's behalf to cover tax withholding obligations in connection with the vesting of certain RSUs (previously reported in Table I) following the\ndate of grant. The sale occurred automatically pursuant to the Issuer's equity administration policy, which was implemented on May 22, 2025, and does not represent a discretionary trade by the reporting\nperson."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.42 to $22.39, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the\nranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes the unvested portion of the reporting person's RSU grants."}],"balance_after":70141,"source":{"system":"sec-edgar","filing":"0002056093-25-000005","document":"wk-form4_1766097334.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2056093/000205609325000005/wk-form4_1766097334.xml","form_type":"4"}},{"id":979100,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":30815,"kind":"person","name":"Jaen Juan C.","position":1,"cik":"0001422996","reported_name":"Jaen Juan C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-12-05T21:15:26.000Z","date":"2025-12-04","kind":"sale","planned":true,"acquired":false,"shares":82997,"price":24.7069,"value":2050598.5793,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 8, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. 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These shares were sold in multiple transactions at prices ranging from $19.48 to $20.17, inclusive. The reporting person undertakes to\nprovide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price\nwithin the ranges set forth in this footnote."}],"balance_after":1037060,"source":{"system":"sec-edgar","filing":"0001422996-25-000009","document":"wk-form4_1763588347.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000142299625000009/wk-form4_1763588347.xml","form_type":"4"}},{"id":993867,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":30815,"kind":"person","name":"Jaen Juan C.","position":1,"cik":"0001422996","reported_name":"Jaen Juan C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-11-19T21:39:10.000Z","date":"2025-11-17","kind":"sale","planned":true,"acquired":false,"shares":7836,"price":20.713,"value":162307.068,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 8, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.65 to $20.82, inclusive. The reporting person undertakes to\nprovide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price\nwithin the ranges set forth in this footnote."}],"balance_after":1042110,"source":{"system":"sec-edgar","filing":"0001422996-25-000009","document":"wk-form4_1763588347.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000142299625000009/wk-form4_1763588347.xml","form_type":"4"}},{"id":993866,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":30815,"kind":"person","name":"Jaen Juan C.","position":1,"cik":"0001422996","reported_name":"Jaen Juan C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-11-19T21:39:10.000Z","date":"2025-11-17","kind":"sale","planned":true,"acquired":false,"shares":37114,"price":20.2274,"value":750719.7236,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 8, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.65 to $20.645, inclusive. The reporting person undertakes to\nprovide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price\nwithin the ranges set forth in this footnote."}],"balance_after":1049946,"source":{"system":"sec-edgar","filing":"0001422996-25-000009","document":"wk-form4_1763588347.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000142299625000009/wk-form4_1763588347.xml","form_type":"4"}},{"id":1002061,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":36383,"kind":"person","name":"Jarrett Jennifer","position":1,"cik":"0001671311","reported_name":"Jarrett Jennifer","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-11-12T21:04:19.000Z","date":"2025-11-07","kind":"exercise","planned":true,"acquired":false,"shares":50291,"price":1.2276,"value":61737.2316,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option is fully vested and currently exercisable."}],"balance_after":80583,"derivative":{"exercise_price":1.2276,"expiration_date":"2027-03-14","underlying":"Common Stock","underlying_shares":50291},"source":{"system":"sec-edgar","filing":"0001671311-25-000005","document":"wk-form4_1762981456.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000167131125000005/wk-form4_1762981456.xml","form_type":"4"}},{"id":1002060,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":36383,"kind":"person","name":"Jarrett Jennifer","position":1,"cik":"0001671311","reported_name":"Jarrett Jennifer","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2025-11-12T21:04:19.000Z","date":"2025-11-07","kind":"sale","planned":true,"acquired":false,"shares":50291,"price":18.9709,"value":954065.5319,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.59 to $19.42, inclusive. The reporting person undertakes to\nprovide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price\nwithin the ranges set forth in this footnote."}],"balance_after":214232,"source":{"system":"sec-edgar","filing":"0001671311-25-000005","document":"wk-form4_1762981456.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000167131125000005/wk-form4_1762981456.xml","form_type":"4"}},{"id":1002059,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":36383,"kind":"person","name":"Jarrett Jennifer","position":1,"cik":"0001671311","reported_name":"Jarrett Jennifer","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2025-11-12T21:04:19.000Z","date":"2025-11-07","kind":"exercise","planned":true,"acquired":true,"shares":50291,"price":1.2276,"value":61737.2316,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."}],"balance_after":264523,"source":{"system":"sec-edgar","filing":"0001671311-25-000005","document":"wk-form4_1762981456.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000167131125000005/wk-form4_1762981456.xml","form_type":"4"}},{"id":1009632,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":30815,"kind":"person","name":"Jaen Juan C.","position":1,"cik":"0001422996","reported_name":"Jaen Juan C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-11-03T21:46:01.000Z","date":"2025-10-30","kind":"sale","planned":true,"acquired":false,"shares":4314,"price":20.3175,"value":87649.695,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 12, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.12 to $20.63, inclusive. The reporting person undertakes to\nprovide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price\nwithin the ranges set forth in this footnote."}],"balance_after":1087060,"source":{"system":"sec-edgar","filing":"0001422996-25-000007","document":"wk-form4_1762206359.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000142299625000007/wk-form4_1762206359.xml","form_type":"4"}},{"id":1011369,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":30815,"kind":"person","name":"Jaen Juan C.","position":1,"cik":"0001422996","reported_name":"Jaen Juan C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-10-30T12:49:09.000Z","date":"2025-10-29","kind":"sale","planned":true,"acquired":false,"shares":800,"price":22.0441,"value":17635.28,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 12, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.035 to $22.055, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1091374,"source":{"system":"sec-edgar","filing":"0001422996-25-000005","document":"wk-form4_1761828546.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000142299625000005/wk-form4_1761828546.xml","form_type":"4"}},{"id":1011368,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":30815,"kind":"person","name":"Jaen Juan C.","position":1,"cik":"0001422996","reported_name":"Jaen Juan C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-10-30T12:49:09.000Z","date":"2025-10-29","kind":"sale","planned":true,"acquired":false,"shares":29365,"price":21.5279,"value":632166.7835,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 12, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.02 to $22.01, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1092174,"source":{"system":"sec-edgar","filing":"0001422996-25-000005","document":"wk-form4_1761828546.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000142299625000005/wk-form4_1761828546.xml","form_type":"4"}},{"id":1011367,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":30815,"kind":"person","name":"Jaen Juan C.","position":1,"cik":"0001422996","reported_name":"Jaen Juan C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-10-30T12:49:09.000Z","date":"2025-10-29","kind":"sale","planned":true,"acquired":false,"shares":47675,"price":20.4894,"value":976832.145,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 12, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.00 to $20.99, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1121539,"source":{"system":"sec-edgar","filing":"0001422996-25-000005","document":"wk-form4_1761828546.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000142299625000005/wk-form4_1761828546.xml","form_type":"4"}},{"id":1011366,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":30815,"kind":"person","name":"Jaen Juan C.","position":1,"cik":"0001422996","reported_name":"Jaen Juan C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-10-30T12:49:09.000Z","date":"2025-10-28","kind":"sale","planned":true,"acquired":false,"shares":19019,"price":20.1874,"value":383944.1606,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 12, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.00 to $20.36, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1169214,"source":{"system":"sec-edgar","filing":"0001422996-25-000005","document":"wk-form4_1761828546.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1724521/000142299625000005/wk-form4_1761828546.xml","form_type":"4"}},{"id":1012068,"issuer":{"id":4104,"kind":"organization","name":"Arcus Biosciences, Inc."},"owners":[{"id":47978,"kind":"person","name":"Goeltz II Robert C.","position":1,"cik":"0001653881","reported_name":"Goeltz II Robert C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common 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