MarketPeel
Insider Trading Intelligence
Pricing
…
Thomas J. Gunderson
Wed, May 20, 2026
May 20
bought
$0.00
of
TMDX
2,922
shares @ $0.00
Increased holdings by
+72.00%
Cluster Buy
Trade made by a director
Part of a cluster of 4 transactions by 3 insiders
Unscheduled trade
Price 43% below 200-day moving average
TMDX
TransMedics Group, Inc.
Healthcare
Medical Devices
1D
0.00%
1W
+5.89%
1M
-1.18%
3M
-31.64%
6M
—
1Y
—
Recent insider activity at TMDX
Jun 15
Thomas J. Gunderson
Sold
$722.38k
Mar 4
Gerardo Hernandez
Sold
$194.91k
Mar 4
Gerardo Hernandez
Sold
$870.31k
Mar 4
David Weill
Sold
$524.29k
Mar 4
Stephanie Lovell
Sold
$178.50k
Mar 2
Nicholas Corcoran
Sold
$412.63k
Mar 2
Anil P. Ranganath
Sold
$120.20k
Mar 2
Gerardo Hernandez
Sold
$52.17k
Full TMDX profile →
Thomas J. Gunderson’s trading history →
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