| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
2 companies
Thomas J. Gunderson is Director at MMSI, with reported holdings spanning 2 companies. Thomas J. Gunderson's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $6.2M at current prices.
Thomas J. Gunderson's largest disclosed position is in MMSI as Director, worth about $5.1M. The MMSI filings lean toward selling, a net 18,157 shares.
Thomas J. Gunderson has 22 Form 4 filings on record from June 2018 to June 2026, across 2 companies: Director at TransMedics Group (TMDX), 2019–2026; Director at Merit Medical Systems (MMSI), 2018–2026.
The 29 reported transactions were 10 stock awards, 9 option or other derivative awards, 5 option exercises and 2 open-market sales, plus smaller numbers of other types.
Counted by filing, the open-market trades come to no purchases and 2 sales worth about $2.1M.
The largest open-market sale was 18,157 shares of MMSI at an average $76.03 on March 4, 2024, about $1.4M. Twelve months later MMSI was up 33%.
Neither of the two sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.