Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Hernandez Gerardo 2. Issuer Name and Ticker or Trading Symbol TransMedics Group, Inc. [TMDX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Financial Officer (Last) (First) (Middle) C/O TRANSMEDICS GROUP, INC., 200 MINUTEMAN ROAD 3. Date of Earliest Transaction (Month/Day/Year) 03/02/2026 (Street) ANDOVER, MA 01810 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/02/2026 S(1) 375 D $139.12 14,689 D Common Stock 03/04/2026 M 1,324 A $77.12 16,013 D Common Stock 03/04/2026 S 1,324 D $147.21(2) 14,689 D Common Stock 03/04/2026 M 5,912 A $69.84 20,601 D Common Stock 03/04/2026 S 5,912 D $147.21(2) 14,689 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (Right to Buy)

$77.12

03/04/2026

M

1,324

(3)

02/24/2035

Common Stock

1,324

$ 0

3,975

D

Stock Option (Right to Buy)

$69.84

03/04/2026

M

5,912

(4)

12/09/2034

Common Stock

5,912

$ 0

13,010

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Hernandez Gerardo C/O TRANSMEDICS GROUP, INC. 200 MINUTEMAN ROAD ANDOVER, MA 01810			Chief Financial Officer

Signatures

By: /s/ Gerardo Hernandez		03/04/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	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.
(2)	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.
(3)	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.
(4)	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.

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