LAW · CS Disco, Inc.

Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in 12 equal quarterly installments measured from July 21, 2026, subject to the Reporting Person's continuous service to the Issuer through each vesting date.

Represents a restricted stock unit ("RSU") award. The RSUs shall vest in 4 equal quarterly installments measured from June 10, 2026, and shall become fully vested as of the day immediately preceding the Issuer's 2027 annual meeting of stockholders, if sooner, subject in all cases to the Reporting Person's continuous service to the Issuer through each vesting date.

Represents a restricted stock unit ("RSU") award. The RSUs shall vest in 4 equal quarterly installments measured from June 10, 2026, and shall become fully vested as of the day immediately preceding the Issuer's 2027 annual meeting of stockholders, if sooner, subject in all cases to the Reporting Person's continuous service to the Issuer through each vesting date.

Represents a restricted stock unit ("RSU") award. The RSUs shall vest in 4 equal quarterly installments measured from June 10, 2026, and shall become fully vested as of the day immediately preceding the Issuer's 2027 annual meeting of stockholders, if sooner, subject in all cases to the Reporting Person's continuous service to the Issuer through each vesting date.

Represents a restricted stock unit ("RSU") award. The RSUs shall vest in 4 equal quarterly installments measured from June 10, 2026, and shall become fully vested as of the day immediately preceding the Issuer's 2027 annual meeting of stockholders, if sooner, subject in all cases to the Reporting Person's continuous service to the Issuer through each vesting date.

Represents a restricted stock unit ("RSU") award. The RSUs shall vest in 4 equal quarterly installments measured from June 10, 2026, and shall become fully vested as of the day immediately preceding the Issuer's 2027 annual meeting of stockholders, if sooner, subject in all cases to the Reporting Person's continuous service to the Issuer through each vesting date. The Reporting Person has agreed to assign to Deer Management Co, LLC the right to any shares issuable pursuant to this grant or any proceeds from the sale thereof.

Represents a restricted stock unit ("RSU") award. The RSUs shall vest in 4 equal quarterly installments measured from June 10, 2026, and shall become fully vested as of the day immediately preceding the Issuer's 2027 annual meeting of stockholders, if sooner, subject in all cases to the Reporting Person's continuous service to the Issuer through each vesting date.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.60 to $3.62. 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 within the range.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.61 to $3.63. 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 range.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.60 to $3.62. 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 within the range.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.61 to $3.62. 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 within the range.

These shares were withheld by the Issuer to cover the tax liability upon the vesting of a time-based restricted stock award previously granted, and does not represent a discretionary sale by the reporting person.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.97 to $4.01. 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 purchased at each separate price within the range.

Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in 12 equal quarterly installments measured from April 22, 2026, subject to the Reporting Person's continuous service to the Issuer through each vesting date.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.65 to $3.75. 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 within the range.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.10 to $3.37. 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 range.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.10 to $3.37. 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 range.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.10 to $3.37. 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 range.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.10 to $3.37. 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 range.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.24 to $3.45. 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 purchased at each separate price within the range.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.89 to $2.92. 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 purchased at each separate price within the range.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.03 to $3.37. 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 within the range.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.10 to $3.19, inclusive. The reporting person undertakes to provide to CS Disco, Inc., any security holder of CS Disco, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.

The shares reported are held by NB Group, LLC ("NBG"). NBG is controlled by the Reporting Person, and the Reporting Person disclaims beneficial ownership of the shares held by this entity, except to the extent of his pecuniary interest therein, if any.

Represents RSUs that shall vest in 16 equal quarterly installments with the first vest date occurring on May 16, 2026, and shall continue to vest on each quarterly date thereafter, subject to the Reporting Person's continuous service to the Issuer through each vesting date.

Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs shall vest in 16 equal quarterly installments with the first vest date occurring on May 16, 2026, and shall continue to vest on each quarterly date thereafter, subject to the Reporting Person's continuous service to the Issuer through each vesting date.

Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs shall vest in 16 equal quarterly installments with the first vest date occurring on May 16, 2026, and shall continue to vest on each quarterly date thereafter, subject to the Reporting Person's continuous service to the Issuer through each vesting date.

Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs shall vest in 16 equal quarterly installments with the first vest date occurring on May 16, 2026, and shall continue to vest on each quarterly date thereafter, subject to the Reporting Person's continuous service to the Issuer through each vesting date.

Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right to receive one share of the Issuer's common stock. This RSU award was granted in February 2025 subject to performance-based vesting conditions pertaining to 2025 performance, the achievement of which was certified by the Compensation Committee on February 18, 2026. Of these RSUs, 1/4th of the shares will vest after two full business days have elapsed following the Issuer's release of 2025 earnings, and the remainder will vest in twelve equal quarterly installments with the first vest date occurring on May 16, 2026, and shall continue to vest on each quarterly date thereafter, subject to the reporting person's continuous service to the Issuer through each vesting date.

Represents RSUs that were granted in February 2025 subject to performance-based vesting conditions pertaining to 2025 performance, the achievement of which was certified by the Compensation Committee on February 18, 2026. Of these RSUs, 1/4th of the shares will vest after two full business days have elapsed following the Issuer's release of 2025 earnings, and the remainder will vest in twelve equal quarterly installments with the first vest date occurring on May 16, 2026, and shall continue to vest on each quarterly date thereafter, subject to the reporting person's continuous service to the Issuer through each vesting date.

Represents RSUs that were granted in February 2025 subject to performance-based vesting conditions pertaining to 2025 performance, the achievement of which was certified by the Compensation Committee on February 18, 2026. Of these RSUs, 1/4th of the shares will vest after two full business days have elapsed following the Issuer's release of 2025 earnings, and the remainder will vest in twelve equal quarterly installments with the first vest date occurring on May 16, 2026, and shall continue to vest on each quarterly date thereafter, subject to the reporting person's continuous service to the Issuer through each vesting date.

Represents RSUs that were granted in February 2025 subject to performance-based vesting conditions pertaining to 2025 performance, the achievement of which was certified by the Compensation Committee on February 18, 2026. Of these RSUs, 1/4th of the shares will vest after two full business days have elapsed following the Issuer's release of 2025 earnings, and the remainder will vest in twelve equal quarterly installments with the first vest date occurring on May 16, 2026, and shall continue to vest on each quarterly date thereafter, subject to the reporting person's continuous service to the Issuer through each vesting date.

Represents RSUs that were granted in February 2025 subject to performance-based vesting conditions pertaining to 2025 performance, the achievement of which was certified by the Compensation Committee on February 18, 2026. Of these RSUs, 1/4th of the shares will vest after two full business days have elapsed following the Issuer's release of 2025 earnings, and the remainder will vest in twelve equal quarterly installments with the first vest date occurring on May 16, 2026, and shall continue to vest on each quarterly date thereafter, subject to the reporting person's continuous service to the Issuer through each vesting date.

Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs shall vest in 16 equal quarterly installments with the first vest date occurring on May 16, 2026, and shall continue to vest on each quarterly date thereafter, subject to the Reporting Person's continuous service to the Issuer through each vesting date.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.04 to $3.08. 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 range.

Includes 750 shares pursuant to the 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of August 1, 2024 to January 31, 2025. In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the Issuer's common stock on January 31, 2025. In addition, this total also includes 1,000 shares pursuant to the 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of August 1, 2025 to January 31, 2026. In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the Issuer's common stock on August 1, 2025.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.04 to $3.08. 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 range.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.04 to $3.08. 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 range.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.04 to $3.08. 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 range.

These shares were withheld by the Issuer to cover the tax liability upon the vesting of a time-based restricted stock award previously granted, and does not represent a discretionary sale by the reporting person.

Includes 1,000 shares pursuant to the 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of August 1, 2025 to January 31, 2026. In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the Issuer's common stock on August 1, 2025.

Shares were purchased pursuant to a Rule 10b5-1 trading plan, adopted May 15, 2025.

Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. One-fourth of the shares shall vest on February 16, 2027 and the remainder shall vest in 12 quarterly installments on each quarterly date thereafter, subject to the Reporting Person's continuous service to the Issuer through each vesting date.

These shares were withheld by the Issuer to cover the tax liability upon the vesting of a time-based restricted stock award previously granted, and does not represent a discretionary sale by the reporting person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.61 to $8.83. 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 range.

These shares were withheld by the Issuer to cover the tax liability upon the vesting of a time-based restricted stock award previously granted, and does not represent a discretionary sale by the reporting person.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.55 to $6.59. 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 within the range.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.55 to $6.59. 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 within the range.

Represents the aggregate number of shares sold by the Reporting Person as a result of a mandatory sale to cover taxes and fees due upon the release and settlement of restricted stock units. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.55 to $6.59. 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 within the range.