Waleed H. Hassanein

CIK: 0001430466

Transaction Breakdown

Open Market Buys (P)4 (22.2%)

High conviction signal

Open Market Sales (S)10 (55.6%)

Position reduction

Option Exercises (M)2 (11.1%)

Derivative conversions

Awards (A)2 (11.1%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

TMDX

TransMedics Group, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (18 total)

TMDX
TransMedics Group, Inc.
Jul 10, 2026
Award(A)
Direct
49.7K shares-
TMDX
TransMedics Group, Inc.
Nov 17, 2025
Purchase(P)
Indirect
8.8K shares at avg. $114.00$1.0M
TMDX
TransMedics Group, Inc.
Aug 7, 2025
Purchase(P)
Indirect
1.9K shares at avg. $116.85$217K
TMDX
TransMedics Group, Inc.
Aug 7, 2025
Purchase(P)
Indirect
6.6K shares at avg. $116.08$768K
TMDX
TransMedics Group, Inc.
Aug 6, 2025
Purchase(P)
Indirect
8.4K shares at avg. $118.68$997K
TMDX
TransMedics Group, Inc.
Feb 25, 2025
Award(A)
Direct
59.8K shares-
TMDX
TransMedics Group, Inc.
Oct 15, 2024
Sale(S)
Direct
1.2K shares at avg. $134.23$161K
TMDX
TransMedics Group, Inc.
Oct 15, 2024
Sale(S)
Direct
3.6K shares at avg. $131.91$476K
TMDX
TransMedics Group, Inc.
Oct 15, 2024
Exercise(M)
Direct
8.6K shares at avg. $13.28$115K
TMDX
TransMedics Group, Inc.
Oct 15, 2024
Sale(S)
Direct
300 shares at avg. $135.04$41K
TMDX
TransMedics Group, Inc.
Oct 15, 2024
Sale(S)
Direct
3.5K shares at avg. $132.82$467K
TMDX
TransMedics Group, Inc.
Sep 16, 2024
Exercise(M)
Direct
8.6K shares at avg. $13.28$115K
TMDX
TransMedics Group, Inc.
Sep 16, 2024
Sale(S)
Direct
1.9K shares at avg. $152.30$284K
TMDX
TransMedics Group, Inc.
Sep 16, 2024
Sale(S)
Direct
3.2K shares at avg. $153.32$484K
TMDX
TransMedics Group, Inc.
Sep 16, 2024
Sale(S)
Direct
1.4K shares at avg. $154.16$213K
TMDX
TransMedics Group, Inc.
Sep 16, 2024
Sale(S)
Direct
688 shares at avg. $155.65$107K
TMDX
TransMedics Group, Inc.
Sep 16, 2024
Sale(S)
Direct
626 shares at avg. $156.48$98K
TMDX
TransMedics Group, Inc.
Sep 16, 2024
Sale(S)
Direct
908 shares at avg. $151.10$137K

		Type	Shares	Price		Ownership
Jul 10, 2026	TMDX TransMedics Group, Inc.	Award(A)	49,669	-	$0	Direct
Nov 17, 2025	TMDX TransMedics Group, Inc.	Purchase(P)	8,775	$114.00	$1,000,350	Indirect
Aug 7, 2025	TMDX TransMedics Group, Inc.	Purchase(P)	1,858	$116.85	$217,107	Indirect
Aug 7, 2025	TMDX TransMedics Group, Inc.	Purchase(P)	6,617	$116.08	$768,101	Indirect
Aug 6, 2025	TMDX TransMedics Group, Inc.	Purchase(P)	8,400	$118.68	$996,912	Indirect
Feb 25, 2025	TMDX TransMedics Group, Inc.	Award(A)	59,781	-	-	Direct
Oct 15, 2024	TMDX TransMedics Group, Inc.	Sale(S)	1,200	$134.23	$161,076	Direct
Oct 15, 2024	TMDX TransMedics Group, Inc.	Sale(S)	3,607	$131.91	$475,799	Direct
Oct 15, 2024	TMDX TransMedics Group, Inc.	Exercise(M)	8,625	$13.28	$114,540	Direct
Oct 15, 2024	TMDX TransMedics Group, Inc.	Sale(S)	300	$135.04	$40,512	Direct
Oct 15, 2024	TMDX TransMedics Group, Inc.	Sale(S)	3,518	$132.82	$467,261	Direct
Sep 16, 2024	TMDX TransMedics Group, Inc.	Exercise(M)	8,625	$13.28	$114,540	Direct
Sep 16, 2024	TMDX TransMedics Group, Inc.	Sale(S)	1,865	$152.30	$284,040	Direct
Sep 16, 2024	TMDX TransMedics Group, Inc.	Sale(S)	3,155	$153.32	$483,725	Direct
Sep 16, 2024	TMDX TransMedics Group, Inc.	Sale(S)	1,383	$154.16	$213,203	Direct
Sep 16, 2024	TMDX TransMedics Group, Inc.	Sale(S)	688	$155.65	$107,087	Direct
Sep 16, 2024	TMDX TransMedics Group, Inc.	Sale(S)	626	$156.48	$97,956	Direct
Sep 16, 2024	TMDX TransMedics Group, Inc.	Sale(S)	908	$151.10	$137,199	Direct

1-18 of 18 transactions

About Hassanein Waleed H

Hassanein Waleed H (SEC CIK 0001430466) files insider reports with the SEC as President & CEO of TransMedics Group, Inc. (TMDX).

Signal8 holds 6 ownership filings by Hassanein Waleed H, all Form 4s, filed between Sep 17, 2024 and Jul 14, 2026. Those filings report 18 transactions, from Sep 16, 2024 to Jul 10, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Hassanein Waleed H's filings is in ANDOVER, MA.

Recent filings by Hassanein Waleed H

Jul 10, 2026: Grant or award of TMDX shares (Form 4, code A).
Nov 17, 2025: Open-market purchase of TMDX shares (Form 4, code P).
Aug 7, 2025: Open-market purchases of TMDX shares (2 lines, Form 4, code P).
Aug 6, 2025: Open-market purchase of TMDX shares (Form 4, code P).
Feb 25, 2025: Grant or award of TMDX shares (Form 4, code A).

Other insiders filing for TransMedics Group, Inc. (TMDX)

Araujo Fernando N.
Weill David, Director
TOBIN JAMES R, Director
Corcoran Nicholas
Hernandez Gerardo, Chief Financial Officer
Gunderson Thomas J., Director

How to read Form 4 transaction codes