Hassanein Waleed H Insider Trading Activity (TMDX)

Summary

Updated Jul 16, 2026

Hassanein Waleed H has filed 1 SEC Form 4 filing across 1 company in the last 90 days — active on both sides. Lifetime open-market purchases: $2.98M. Lifetime open-market sales: $1.14M. Historical track record: 1/5 stars across 4 tracked purchases.

Profile

Waleed H. Hassanein is the President and CEO of TransMedics Group, Inc., a company focused on transforming organ transplant therapy. Under his leadership, the company has developed innovative technologies like the Organ Care System to improve organ preservation and transplantation outcomes.

Role	Insider
Notability	50/100

Board memberships

TransMedics Group, Inc.

Awards & honors

Leadership in organ transplant technology
Development of the Organ Care System
Advancements in organ preservation methods

Track Record

InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.

InsiderAlpha rating	★☆☆☆☆ (1/5)
Total purchases tracked	4
Purchases with forward-return data	4
30-day win rate	2500%
90-day win rate	10000%
Avg 5-day return	+1418.80%
Avg 30-day return	-574.28%
Avg 90-day return	+884.28%
Best 30-day return	+752.20%

Recent Transactions

Date	Ticker	Company	Code	Shares	Price	Value
2026-07-15	TMDX	TransMedics Group, Inc.	A — Grant or award	49.7K	$0.00
2025-11-18	TMDX	TransMedics Group, Inc.	P — Open-market purchase	8.8K	$114.00	$1.00M
2025-08-06	TMDX	TransMedics Group, Inc.	P — Open-market purchase	1.9K	$116.85	$217K
2025-08-06	TMDX	TransMedics Group, Inc.	P — Open-market purchase	6.6K	$116.08	$768K
2025-08-06	TMDX	TransMedics Group, Inc.	P — Open-market purchase	8.4K	$118.68	$997K
2024-10-17	TMDX	TransMedics Group, Inc.	S — Open-market sale [10b5-1]	300	$135.04	$41K
2024-10-17	TMDX	TransMedics Group, Inc.	S — Open-market sale [10b5-1]	1.2K	$134.23	$161K
2024-10-17	TMDX	TransMedics Group, Inc.	S — Open-market sale [10b5-1]	3.5K	$132.82	$467K
2024-10-17	TMDX	TransMedics Group, Inc.	S — Open-market sale [10b5-1]	3.6K	$131.91	$476K
2024-10-17	TMDX	TransMedics Group, Inc.	M — Option exercise [10b5-1]	8.6K	$13.28	$115K

Frequently Asked Questions

Who is Hassanein Waleed H?

How many SEC Form 4 filings has Hassanein Waleed H submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has Hassanein Waleed H been buying or selling stock?

Recorded transactions: 4 open-market purchases ($2.98M) and 4 open-market sales ($1.14M) across all tracked filings.

How accurate is Hassanein Waleed H's historical track record?

Across 4 tracked purchases, Hassanein Waleed H averaged -574.3% avg 30-day return with a 2500% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.

Where can I see all of Hassanein Waleed H's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Hassanein Waleed H — SEC Form 4 Insider Trading Activity