TMDX · TransMedics Group, Inc.

The option vests at a rate of 2.0833% of the total number of shares subject to the option each month following April 10, 2026 until the option is fully vested on April 10, 2030, subject to continued service.

Consists of 11,727 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The option vests at a rate of 2.0833% of the total number of shares subject to the option each month following April 10, 2026 until the option is fully vested on April 10, 2030, subject to continued service.

Consists of 49,669 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The option vests at a rate of 2.0833% of the total number of shares subject to the option each month following April 10, 2026 until the option is fully vested on April 10, 2030, subject to continued service.

Consists of 17,246 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The stock options were granted on August 1, 2016 and are fully vested.

The shares were sold to cover the exercise price and applicable tax withholding obligations in connection with the exercise of the stock options.

Consists of 2,922 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Consists of 2,922 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Consists of 2,922 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Consists of 2,922 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Consists of 2,922 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Consists of 2,922 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Consists of 2,922 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Consists of 15,409 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The option vests as to 25% of the shares underlying the option on March 9, 2027 and as to the remaining shares in equal monthly installments over three years thereafter, subject to continued service.

The option vested as to 25% of the shares underlying the option on December 2, 2025 and will continue to vest as to the remaining shares in equal monthly installments over three years thereafter, subject to continued service.

The option vests at a rate of 2.0833% of the total number of shares subject to the option each month following February 24, 2025 until the option is fully vested on February 24, 2029, subject to continued service.

The option is fully vested.

The price reported is a weighted average price. These shares were purchased in multiple transactions ranging from $147.14 to $147.47, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range.

The price reported is a weighted average price. These shares were purchased in multiple transactions ranging from $147.14 to $147.47, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction pursuant to the terms of the RSU award.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction pursuant to the terms of the RSU award.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction pursuant to the terms of the RSU award.

Consists of 11,082 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The option vests as to 25% of the shares underlying the option on February 18, 2027 and as to the remaining shares in equal monthly installments over three years thereafter, subject to continued service.

Shares withheld by the Issuer to satisfy the reporting person's tax withholding obligations in connection with the vesting of restricted stock units on January 23, 2026.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction pursuant to the terms of the RSU award.

The option is fully vested.

The option vested as to 25% on June 5, 2024 and will vest as to the remaining shares in equal monthly installments over three years thereafter, subject to continued service.

The price reported is a weighted average price. These shares were purchased in multiple transactions ranging from $145.00 to $145.65, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range.

The reported transactions were effected pursuant to a Rule 10b5-1 trading plan entered into on November 6, 2024.

The reported transactions were effected pursuant to a Rule 10b5-1 trading plan entered into on November 6, 2024.

The Stock Option reported herein as being disposed of is an option to purchase common stock of TransMedics, Inc. Immediately prior to the closing of the Issuer's initial public offering, pursuant to the terms of the Merger Agreement, each outstanding option to purchase shares of common stock of TransMedics, Inc. was converted into an outstanding option to purchase shares of common stock of the Issuer adjusted on a 3.5-for-one basis, with a corresponding adjustment to the exercise price.

The option is fully vested.

The reported transactions were effected pursuant to a Rule 10b5-1 trading plan entered into on November 6, 2024.

The price reported is a weighted average price. These shares were purchased in multiple transactions ranging from $116.62 to $117.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range.

The price reported is a weighted average price. These shares were purchased in multiple transactions ranging from $115.60 to $116.58, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range.

The price reported is a weighted average price. These shares were purchased in multiple transactions ranging from $118.50 to $118.87, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range.