UPST · Upstart Holdings, Inc.

The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 28, 2025.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. 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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. 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.

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.

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.

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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. 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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

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.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.09 to $30.62. 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.

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.

These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. 100% of the RSUs shall vest on the earlier of May 29, 2027 or the day prior to the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person continuing as a service provider through such date.

These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. 100% of the RSUs shall vest on the earlier of May 29, 2027 or the day prior to the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person continuing as a service provider through such date.

These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. 100% of the RSUs shall vest on the earlier of May 29, 2027 or the day prior to the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person continuing as a service provider through such date.

These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. 100% of the RSUs shall vest on the earlier of May 29, 2027 or the day prior to the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person continuing as a service provider through such date.

These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. 100% of the RSUs shall vest on the earlier of May 29, 2027 or the day prior to the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person continuing as a service provider through such date.

These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. 100% of the RSUs shall vest on May 28, 2027, subject to the Reporting Person continuing as a service provider through such date.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.26 to $29.045. 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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.36 to $28.99. 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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.24 to $29.07. 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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.58 to $30.54. 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.

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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.65 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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.44 to $29.27. 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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

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.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.43 to $29.41. 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.

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.

All of the shares subject to this option are fully vested and exercisable as of the date hereof.

The reportable securities are owned by The Gu Qiao Family Trust, of which the Reporting Person is a managing member.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.74 to $29.735. 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.

These shares are held by 2008 D&T Girouard Revocable Trust, for which the Reporting Person serves as Trustee.

All of the shares subject to this option are fully vested and exercisable as of the date hereof.

These shares are held by 2008 D&T Girouard Revocable Trust, for which the Reporting Person serves as Trustee.

The number of shares held reflects the transfer of 835,075 shares of Common Stock from the Reporting Person to the D&T Girouard Revocable Trust.

These shares are held by 2008 D&T Girouard Revocable Trust, for which the Reporting Person serves as Trustee.

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.

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.

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.

The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 28, 2025.

These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. 1/16th of the RSUs shall vest on May 15, 2026 and at the end of each successive three month period thereafter, subject to the Reporting Person continuing as a service provider through each such date.

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.

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.

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.

These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. 1/16th of the RSUs shall vest on May 15, 2026 and at the end of each successive three month period thereafter, subject to the Reporting Person continuing as a service provider through each such date.

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.

These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. 1/4th of the RSUs shall vest on February 15, 2027 and at the end of each successive three month period thereafter, subject to the Reporting Person continuing as a service provider through each such date.

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.

1/12th of the shares subject to the option shall vest on December 15, 2026 and each successive one-month period thereafter, subject to the Reporting Person continuing as a service provider through each such date.

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.

The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025.

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.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.60 to $30.255. 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.

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.

No consideration; change in form of ownership only.

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.

No consideration; change in form of ownership only.

Includes 390 shares acquired on February 13, 2026 under the Issuer's 2020 Employee Stock Purchase Plan.

The shares are held by the Darling Family Trust.

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs).

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.58 to $30.26. 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.

Includes 390 shares acquired on February 13, 2026 under the Issuer's 2020 Employee Stock Purchase Plan.

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.

The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2025.

The shares are held by the Darling Family Trust.