Gunderson Thomas J.
SEC Form 4 insider trading activity
Gunderson Thomas J. has filed 4 SEC Form 4 filings (6 transaction rows) across 2 companies, including TMDX, MMSI, with disclosures dating back to 2026. 4 of those filings fall inside the rolling window. Most recent filing: Jun 17, 2026.
On the most recent filing, Gunderson Thomas J. is listed as Director at TransMedics Group, Inc. Inside the rolling window, Gunderson Thomas J. reported no open-market purchases and 1 open-market sale totaling $722K in TMDX.
Companies traded
Other insiders at TMDX
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$722K
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Gunderson Thomas J. made?
Gunderson Thomas J. has filed 4 SEC Form 4 filings (6 transaction rows) across 2 companies, including TMDX, MMSI since 2026.
Which companies does Gunderson Thomas J. trade?
Gunderson Thomas J. has filed SEC Form 4 disclosures for 2 companies, including TMDX, MMSI.
When was Gunderson Thomas J.'s most recent SEC Form 4 filing?
Gunderson Thomas J.'s most recent SEC Form 4 filing on Tracefour is dated Jun 17, 2026.
What is Gunderson Thomas J.'s total buy and sell value in the current window?
Inside the rolling retention window, Gunderson Thomas J. bought $0 and sold $722K based on SEC Form 4 filings.
What was Gunderson Thomas J.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 9,624 TMDX shares on 2026-06-15, worth $722K, per SEC Form 4 filings.