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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 purchased at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reportable securities are owned by JECCO, LLC, of which the Reporting Person is a managing member."}],"balance_after":130000,"source":{"system":"sec-edgar","filing":"0001832812-26-000010","document":"wk-form4_1789082008.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1832812/000183281226000010/wk-form4_1789082008.xml","form_type":"4"}},{"id":4615205,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20741,"kind":"person","name":"Datta Sanjay","position":1,"cik":"0001832808","reported_name":"Datta Sanjay","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Capital& Enterprise"}}],"security":"Employee Stock Option (Right to buy)","published_at":"2026-09-10T23:12:21.000Z","date":"2026-09-08","kind":"exercise","planned":false,"acquired":false,"shares":300000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"All of the shares subject to this option are fully vested and exercisable as of the date hereof."}],"balance_after":302607,"derivative":{"exercise_price":1.35,"expiration_date":"2026-12-28","underlying":"Common Stock","underlying_shares":300000},"source":{"system":"sec-edgar","filing":"0001832808-26-000020","document":"wk-form4_1789081939.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1832808/000183280826000020/wk-form4_1789081939.xml","form_type":"4"}},{"id":4615204,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20741,"kind":"person","name":"Datta Sanjay","position":1,"cik":"0001832808","reported_name":"Datta Sanjay","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Capital& Enterprise"}}],"security":"Common Stock","published_at":"2026-09-10T23:12:21.000Z","date":"2026-09-08","kind":"sale","planned":false,"acquired":false,"shares":116000,"price":27.2948,"value":3166196.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.92 to $27.81. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Certain of these securities are restricted stock units (RSUs). 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These shares were sold in multiple transactions at prices ranging from $27.98 to $28.475. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."}],"balance_after":292578,"source":{"system":"sec-edgar","filing":"0001832808-26-000018","document":"wk-form4_1787351032.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000183280826000018/wk-form4_1787351032.xml","form_type":"4"}},{"id":678479,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20741,"kind":"person","name":"Datta Sanjay","position":1,"cik":"0001832808","reported_name":"Datta Sanjay","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Capital& Enterprise"}}],"security":"Common Stock","published_at":"2026-08-21T22:23:54.000Z","date":"2026-08-19","kind":"sale","planned":false,"acquired":false,"shares":10000,"price":31.4633,"value":314633.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.415 to $31.50. 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."}],"balance_after":301523,"source":{"system":"sec-edgar","filing":"0001832808-26-000018","document":"wk-form4_1787351032.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000183280826000018/wk-form4_1787351032.xml","form_type":"4"}},{"id":678558,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-08-21T22:23:36.000Z","date":"2026-08-20","kind":"sale","planned":false,"acquired":false,"shares":7696,"price":28.0946,"value":216216.0416,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs)."},{"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 $27.975 to $28.56. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Certain of these securities are RSUs. 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These shares were sold in multiple transactions at prices ranging from $27.97 to $28.41. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Certain of these securities are RSUs. 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These shares were sold in multiple transactions at prices ranging from $29.17 to $29.52. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."}],"balance_after":311523,"source":{"system":"sec-edgar","filing":"0001832808-26-000015","document":"wk-form4_1787178025.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000183280826000015/wk-form4_1787178025.xml","form_type":"4"}},{"id":681036,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-08-19T22:14:48.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":814,"price":29.3588,"value":23898.0632,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs)."},{"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 $29.19 to $29.53. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Certain of these securities are RSUs. 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Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."}],"balance_after":152208,"source":{"system":"sec-edgar","filing":"0002124464-26-000010","document":"wk-form4_1787177655.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000212446426000010/wk-form4_1787177655.xml","form_type":"4"}},{"id":680978,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":21518,"kind":"person","name":"Blankmeyer Andrea","position":1,"cik":"0002124464","reported_name":"Blankmeyer Andrea","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-08-19T22:14:18.000Z","date":"2026-08-17","kind":"sale","planned":true,"acquired":false,"shares":7175,"price":29.3583,"value":210645.8025,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs)."},{"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 $29.19 to $29.54. 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These shares were sold in multiple transactions at prices ranging from $35.935 to $36.85. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Certain of these securities are restricted stock units (RSUs). 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Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"This Form 4 reflects the reporting person's unvested RSUs as directly held, correcting prior filings that inadvertently reported such holdings as indirectly held through the Darling Family Trust. All securities remain beneficially owned by the reporting person."}],"balance_after":92598,"source":{"system":"sec-edgar","filing":"0001558259-25-000015","document":"wk-form4_1764020290.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000015/wk-form4_1764020290.xml","form_type":"4"}},{"id":989700,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-11-24T21:38:13.000Z","date":"2025-11-20","kind":"sale","planned":false,"acquired":false,"shares":400,"price":37.025,"value":14810.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs)."},{"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 $36.95 to $37.13. 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."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Certain of these securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"This Form 4 reflects the reporting person's unvested RSUs as directly held, correcting prior filings that inadvertently reported such holdings as indirectly held through the Darling Family Trust. All securities remain beneficially owned by the reporting person."}],"balance_after":97990,"source":{"system":"sec-edgar","filing":"0001558259-25-000015","document":"wk-form4_1764020290.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000015/wk-form4_1764020290.xml","form_type":"4"}},{"id":989699,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-11-24T21:38:13.000Z","date":"2025-11-20","kind":"sale","planned":false,"acquired":false,"shares":7323,"price":36.552,"value":267670.296,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs)."},{"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 $35.94 to $36.92. 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."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Certain of these securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"This Form 4 reflects the reporting person's unvested RSUs as directly held, correcting prior filings that inadvertently reported such holdings as indirectly held through the Darling Family Trust. All securities remain beneficially owned by the reporting person."}],"balance_after":98390,"source":{"system":"sec-edgar","filing":"0001558259-25-000015","document":"wk-form4_1764020290.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000015/wk-form4_1764020290.xml","form_type":"4"}},{"id":989628,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20741,"kind":"person","name":"Datta Sanjay","position":1,"cik":"0001832808","reported_name":"Datta Sanjay","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-11-24T21:36:54.000Z","date":"2025-11-20","kind":"sale","planned":false,"acquired":false,"shares":1000,"price":36.992,"value":36992.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs)."},{"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 $36.90 to $37.13. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Certain of the securities reported in Column 5 are RSUs. Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."}],"balance_after":284280,"source":{"system":"sec-edgar","filing":"0001832808-25-000003","document":"wk-form4_1764020211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000183280825000003/wk-form4_1764020211.xml","form_type":"4"}},{"id":989627,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20741,"kind":"person","name":"Datta Sanjay","position":1,"cik":"0001832808","reported_name":"Datta Sanjay","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-11-24T21:36:54.000Z","date":"2025-11-20","kind":"sale","planned":false,"acquired":false,"shares":12624,"price":36.544,"value":461331.456,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs)."},{"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 $35.895 to $36.875. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Certain of the securities reported in Column 5 are RSUs. Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."}],"balance_after":285280,"source":{"system":"sec-edgar","filing":"0001832808-25-000003","document":"wk-form4_1764020211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000183280825000003/wk-form4_1764020211.xml","form_type":"4"}},{"id":999804,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":47242,"kind":"person","name":"Gu Paul","position":1,"cik":"0001832812","reported_name":"Gu Paul","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Offier"}}],"security":"Common Stock","published_at":"2025-11-13T21:31:11.000Z","date":"2025-11-11","kind":"purchase","planned":false,"acquired":true,"shares":80000,"price":39.23,"value":3138400.0,"ownership":{"direct":false,"nature":"by LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This purchase was matchable under Section 16(b) of the Securities Exchange Act of 1934 with a sale of 5,000 shares by the Reporting Person on September 2, 2025. The Reporting Person has remitted the resulting short-swing profits to the Company, which were $148,255.06."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $38.93 to $39.40. 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 purchased at each separate\nprice."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The reportable securities are owned directly by JECCO, LLC of which the Reporting Person is a managing member."}],"balance_after":80000,"source":{"system":"sec-edgar","filing":"0001832812-25-000003","document":"wk-form4_1763069468.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000183281225000003/wk-form4_1763069468.xml","form_type":"4"}},{"id":999803,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":47242,"kind":"person","name":"Gu Paul","position":1,"cik":"0001832812","reported_name":"Gu Paul","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Offier"}}],"security":"Common Stock","published_at":"2025-11-13T21:31:11.000Z","date":"2025-11-11","kind":"purchase","planned":false,"acquired":true,"shares":20000,"price":39.22,"value":784400.0,"ownership":{"direct":false,"nature":"by trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This purchase was matchable under Section 16(b) of the Securities Exchange Act of 1934 with a sale of 5,000 shares by the Reporting Person on September 2, 2025. The Reporting Person has remitted the resulting short-swing profits to the Company, which were $148,255.06."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $38.89 to $39.39. 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 purchased at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The reportable securities are owned by THE GU QIAO FAMILY TRUST, of which the Reporting Person is the trustee."}],"balance_after":20000,"source":{"system":"sec-edgar","filing":"0001832812-25-000003","document":"wk-form4_1763069468.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000183281225000003/wk-form4_1763069468.xml","form_type":"4"}},{"id":1012466,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Employee Stock Option (Right to buy)","published_at":"2025-10-29T00:52:15.000Z","date":"2025-10-24","kind":"exercise","planned":true,"acquired":false,"shares":1000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"1/48 of the shares subject to the option shall vest on January 20, 2023 and at the end of each successive one-month period thereafter, subject to the Reporting Person continuing as a service provider through each such date."}],"balance_after":197527,"derivative":{"exercise_price":13.22,"expiration_date":"2032-12-31","underlying":"Common Stock","underlying_shares":1000},"source":{"system":"sec-edgar","filing":"0001558259-25-000013","document":"wk-form4_1761699132.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000013/wk-form4_1761699132.xml","form_type":"4"}},{"id":1012465,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-10-29T00:52:15.000Z","date":"2025-10-24","kind":"sale","planned":true,"acquired":false,"shares":1000,"price":55.0124,"value":55012.4,"ownership":{"direct":false,"nature":"by trust"},"footnotes":[{"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 $55.00 to $55.03. 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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Certain of these securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares are held by the Darling Family Trust."}],"balance_after":123148,"source":{"system":"sec-edgar","filing":"0001558259-25-000013","document":"wk-form4_1761699132.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000013/wk-form4_1761699132.xml","form_type":"4"}},{"id":1012464,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-10-29T00:52:15.000Z","date":"2025-10-24","kind":"exercise","planned":true,"acquired":true,"shares":1000,"price":13.22,"value":13220.0,"ownership":{"direct":false,"nature":"by trust"},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Certain of these securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The number of shares held reflects the transfer of 124,148 shares of Common Stock from the Reporting Person to the Darling Family Trust, under agreement dated September 18, 2025, of which the Reporting Person and his spouse are co-trustees (the \"Darling Family Trust\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares are held by the Darling Family Trust."}],"balance_after":124148,"source":{"system":"sec-edgar","filing":"0001558259-25-000013","document":"wk-form4_1761699132.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000013/wk-form4_1761699132.xml","form_type":"4"}},{"id":1012461,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-10-29T00:30:41.000Z","date":"2025-02-28","kind":"gift","planned":false,"acquired":false,"shares":750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4/A is being filed to report a gift of shares that was inadvertently omitted from a previously filed Form 4. The transaction occurred on February 28, 2025, but was not included in the original Form 4 filed on March 4, 2025. The omission was unintentional, and this amendment is being filed to correct the reporting of the total beneficial ownership accordingly."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Certain of the securities reported in Column 5 of each row of Table I are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The number of shares beneficially owned was as of February 28, 2025."}],"balance_after":149379,"source":{"system":"sec-edgar","filing":"0001558259-25-000010","document":"wk-form4a_1761697838.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000010/wk-form4a_1761697838.xml","form_type":"4/A","original_submission_date":"2025-03-04"}},{"id":1024118,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Employee Stock Option (Right to buy)","published_at":"2025-10-03T20:39:26.000Z","date":"2025-10-01","kind":"exercise","planned":true,"acquired":false,"shares":1000,"price":13.22,"value":13220.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"1/48 of the shares subject to the option shall vest on January 20, 2023 and at the end of each successive one-month period thereafter, subject to the Reporting Person continuing as a service provider through each such date."}],"balance_after":198527,"derivative":{"exercise_price":13.22,"expiration_date":"2032-12-31","underlying":"Common Stock","underlying_shares":1000},"source":{"system":"sec-edgar","filing":"0001558259-25-000005","document":"wk-form4_1759523963.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000005/wk-form4_1759523963.xml","form_type":"4"}},{"id":1024117,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-10-03T20:39:26.000Z","date":"2025-10-01","kind":"sale","planned":true,"acquired":false,"shares":1000,"price":54.64,"value":54640.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025."}],"balance_after":123898,"source":{"system":"sec-edgar","filing":"0001558259-25-000005","document":"wk-form4_1759523963.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000005/wk-form4_1759523963.xml","form_type":"4"}},{"id":1024116,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-10-03T20:39:26.000Z","date":"2025-10-01","kind":"exercise","planned":true,"acquired":true,"shares":1000,"price":13.22,"value":13220.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Certain of these securities listed in Column 5 are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."}],"balance_after":124898,"source":{"system":"sec-edgar","filing":"0001558259-25-000005","document":"wk-form4_1759523963.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000005/wk-form4_1759523963.xml","form_type":"4"}},{"id":1035420,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Employee Stock Option (Right to buy)","published_at":"2025-09-19T20:44:14.000Z","date":"2025-09-17","kind":"exercise","planned":true,"acquired":false,"shares":1000,"price":13.22,"value":13220.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"1/48 of the shares subject to the option shall vest on January 20, 2023 and at the end of each successive one-month period thereafter, subject to the Reporting Person continuing as a service provider through each such date."}],"balance_after":199527,"derivative":{"exercise_price":13.22,"expiration_date":"2032-12-31","underlying":"Common Stock","underlying_shares":1000},"source":{"system":"sec-edgar","filing":"0001558259-25-000003","document":"wk-form4_1758314651.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000003/wk-form4_1758314651.xml","form_type":"4"}},{"id":1035419,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-09-19T20:44:14.000Z","date":"2025-09-17","kind":"sale","planned":true,"acquired":false,"shares":1000,"price":70.0095,"value":70009.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 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 $70.00 to $70.01. 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."}],"balance_after":123898,"source":{"system":"sec-edgar","filing":"0001558259-25-000003","document":"wk-form4_1758314651.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000003/wk-form4_1758314651.xml","form_type":"4"}},{"id":1035418,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-09-19T20:44:14.000Z","date":"2025-09-17","kind":"exercise","planned":true,"acquired":true,"shares":1000,"price":13.22,"value":13220.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Certain of these securities listed in Column 5 are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock, subject to the applicable vesting schedule and conditions of each RSU."}],"balance_after":124898,"source":{"system":"sec-edgar","filing":"0001558259-25-000003","document":"wk-form4_1758314651.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000155825925000003/wk-form4_1758314651.xml","form_type":"4"}},{"id":1037195,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":48625,"kind":"person","name":"Girouard Dave","position":1,"cik":"0001832805","reported_name":"Girouard Dave","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Employee Stock Option (Right to buy)","published_at":"2025-09-17T21:41:19.000Z","date":"2025-09-15","kind":"exercise","planned":true,"acquired":false,"shares":41667,"price":0.83,"value":34583.61,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 29, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"All of the shares subject to this option are fully vested and exercisable as of the date hereof."}],"balance_after":835075,"derivative":{"exercise_price":0.83,"expiration_date":"2026-09-20","underlying":"Common Stock","underlying_shares":41667},"source":{"system":"sec-edgar","filing":"0001832805-25-000003","document":"wk-form4_1758145275.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000183280525000003/wk-form4_1758145275.xml","form_type":"4"}},{"id":1037194,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":48625,"kind":"person","name":"Girouard Dave","position":1,"cik":"0001832805","reported_name":"Girouard Dave","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-09-17T21:41:19.000Z","date":"2025-09-15","kind":"sale","planned":true,"acquired":false,"shares":6842,"price":65.4139,"value":447561.9038,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 29, 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 $65.35 to $65.59. 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."}],"balance_after":52614,"source":{"system":"sec-edgar","filing":"0001832805-25-000003","document":"wk-form4_1758145275.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000183280525000003/wk-form4_1758145275.xml","form_type":"4"}},{"id":1037193,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":48625,"kind":"person","name":"Girouard Dave","position":1,"cik":"0001832805","reported_name":"Girouard Dave","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-09-17T21:41:19.000Z","date":"2025-09-15","kind":"sale","planned":true,"acquired":false,"shares":34825,"price":64.838,"value":2257983.35,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 29, 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 $64.35 to $65.345. 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."}],"balance_after":59456,"source":{"system":"sec-edgar","filing":"0001832805-25-000003","document":"wk-form4_1758145275.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000183280525000003/wk-form4_1758145275.xml","form_type":"4"}},{"id":1037192,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":48625,"kind":"person","name":"Girouard Dave","position":1,"cik":"0001832805","reported_name":"Girouard Dave","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-09-17T21:41:19.000Z","date":"2025-09-15","kind":"exercise","planned":true,"acquired":true,"shares":41667,"price":0.83,"value":34583.61,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 29, 2024."}],"balance_after":94281,"source":{"system":"sec-edgar","filing":"0001832805-25-000003","document":"wk-form4_1758145275.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000183280525000003/wk-form4_1758145275.xml","form_type":"4"}},{"id":1046681,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Employee Stock Option (Right to buy)","published_at":"2025-09-05T20:37:38.000Z","date":"2025-09-03","kind":"exercise","planned":true,"acquired":false,"shares":4000,"price":13.22,"value":52880.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"1/48 of the shares subject to the option shall vest on January 20, 2023 and at the end of each successive one-month period thereafter, subject to the Reporting Person continuing as a service provider through each such date."}],"balance_after":200527,"derivative":{"exercise_price":13.22,"expiration_date":"2032-12-31","underlying":"Common Stock","underlying_shares":4000},"source":{"system":"sec-edgar","filing":"0001647639-25-000120","document":"wk-form4_1757104654.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000164763925000120/wk-form4_1757104654.xml","form_type":"4"}},{"id":1046680,"issuer":{"id":4306,"kind":"organization","name":"Upstart Holdings, Inc.","symbol":"UPST"},"owners":[{"id":20764,"kind":"person","name":"Darling Scott","position":1,"cik":"0001558259","reported_name":"Darling Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-09-05T20:37:38.000Z","date":"2025-09-03","kind":"sale","planned":true,"acquired":false,"shares":4000,"price":69.4134,"value":277653.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 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 $69.12 to $69.64. 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."}],"balance_after":123898,"source":{"system":"sec-edgar","filing":"0001647639-25-000120","document":"wk-form4_1757104654.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1558259/000164763925000120/wk-form4_1757104654.xml","form_type":"4"}}],"next_cursor":"2025-09-05T20:37:38.000000Z,1046680"}