{"transactions":[{"id":680979,"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":"2026-08-19","kind":"sale","planned":true,"acquired":false,"shares":3000,"price":29.33,"value":87990.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 16, 2026."},{"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":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. 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":155208,"source":{"system":"sec-edgar","filing":"0002124464-26-000010","document":"wk-form4_1787177655.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000212446426000010/wk-form4_1787177655.xml","form_type":"4"}},{"id":774313,"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":"2026-05-18T21:07:59.000Z","date":"2026-05-15","kind":"sale","planned":false,"acquired":false,"shares":101,"price":30.5403,"value":3084.5703,"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 $30.54 to $30.55. 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":162383,"source":{"system":"sec-edgar","filing":"0002124464-26-000007","document":"wk-form4_1779138476.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000212446426000007/wk-form4_1779138476.xml","form_type":"4"}},{"id":774312,"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":"2026-05-18T21:07:59.000Z","date":"2026-05-15","kind":"sale","planned":false,"acquired":false,"shares":4184,"price":30.0471,"value":125717.0664,"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 $29.48 to $30.45. 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":162484,"source":{"system":"sec-edgar","filing":"0002124464-26-000007","document":"wk-form4_1779138476.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000212446426000007/wk-form4_1779138476.xml","form_type":"4"}},{"id":774311,"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":"2026-05-18T21:07:59.000Z","date":"2026-05-15","kind":"sale","planned":false,"acquired":false,"shares":2759,"price":28.9602,"value":79901.1918,"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 $28.435 to $29.43. 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":166668,"source":{"system":"sec-edgar","filing":"0002124464-26-000007","document":"wk-form4_1779138476.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000212446426000007/wk-form4_1779138476.xml","form_type":"4"}},{"id":818854,"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":"Performance-based Restricted Stock Unit","published_at":"2026-04-02T20:36:10.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":148006,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These securities are performance-based restricted stock units (PRSUs). Each PRSU represents a contingent right to receive one share of Common Stock in an amount from 0% to 300% of the target number of PRSUs granted. The actual number of PRSUs earned will be based, in part, upon achievement of certain TSR CAGR targets as of February 15, 2030 and subject to vesting on February 20, 2030, subject to the Reporting Person continuing as a service provider through such date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These securities are performance-based restricted stock units (PRSUs). Each PRSU represents a contingent right to receive one share of Common Stock in an amount from 0% to 300% of the target number of PRSUs granted. The actual number of PRSUs earned will be based, in part, upon achievement of certain TSR CAGR targets as of February 15, 2030 and subject to vesting on February 20, 2030, subject to the Reporting Person continuing as a service provider through such date."}],"balance_after":148006,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":148006},"source":{"system":"sec-edgar","filing":"0002124464-26-000003","document":"wk-form4_1775162161.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000212446426000003/wk-form4_1775162161.xml","form_type":"4"}},{"id":818853,"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":"2026-04-02T20:36:10.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":169427,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of our common stock. 40% of the RSUs shall vest quarterly in equal installments beginning on May 15, 2026, for 12 months. An additional 30% of the RSUs shall vest quarterly in equal installments for 12 months thereafter; 20% of the RSUs shall vest quarterly in equal installments for 12 months thereafter; and the remaining 10% of the RSUs shall vest quarterly in equal installments for 12 months thereafter, subject to continued service with us through each such date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","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":169427,"source":{"system":"sec-edgar","filing":"0002124464-26-000003","document":"wk-form4_1775162161.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1647639/000212446426000003/wk-form4_1775162161.xml","form_type":"4"}}]}