Gunderson Thomas J. — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Gunderson Thomas J. has filed 4 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $722K.

Profile

Gunderson Thomas J.

Thomas J. Gunderson is named in SEC filings related to Merit Medical Systems Inc. as of May 19, 2026, indicating insider involvement with the company. Public biographical details (education, career history, and a confirmed title) are not readily available from widely accessible sources, so the biography is limited to his association with Merit Medical Systems as of the filing date.

RoleInsider
Notability15/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-17TMDXTransMedics Group, Inc.S — Open-market sale9.6K$75.06$722K
2026-06-17TMDXTransMedics Group, Inc.M — Option exercise19.3K$2.21$43K
2026-05-22TMDXTransMedics Group, Inc.A — Grant or award2.9K$0.00
2026-05-21MMSIMERIT MEDICAL SYSTEMS INCM — Option exercise7.5K$52.17$391K
2026-05-21MMSIMERIT MEDICAL SYSTEMS INCM — Option exercise13.8K$52.17$717K
2026-05-19MMSIMERIT MEDICAL SYSTEMS INCA — Grant or award3.5K$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is Gunderson Thomas J.?

Thomas J. Gunderson is named in SEC filings related to Merit Medical Systems Inc. as of May 19, 2026, indicating insider involvement with the company. Public biographical details (education, career history, and a confirmed title) are not readily available from widely accessible sources, so the biography is limited to his association with Merit Medical Systems as of the filing d…

How many SEC Form 4 filings has Gunderson Thomas J. submitted recently?

4 primary Form 4 filings in the last 90 days, covering 2 companies.

Has Gunderson Thomas J. been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 1 open-market sales ($722K) across all tracked filings.

Where can I see all of Gunderson Thomas J.'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.

Learn More

Open the live Gunderson Thomas J. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.