Form4insider filings, from the source

Insider · CIK 0001708144

Thomas J. Gunderson

Files at: TMDX, MMSI. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $722k · 1net −$722k
$10k$10k$100k$100k$1M$1MbuyssalesJun 14Jun 14Jun 14Jun 15Jun 15Jun 15Jun 16

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 15, 2026 SForm 4 →Jun 17, 4:15 pm EDTTransMedics Group, Inc.TMDX9,624$75.06$722,37716,642−36.6%
Jun 15, 2026 MForm 4 →Jun 17, 4:15 pm EDTTransMedics Group, Inc.TMDX19,285$2.21$42,62026,266—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 15, 2026 MForm 4 →Jun 17, 4:15 pm EDTTransMedics Group, Inc.TMDX19,285——0—
Jun 7, 2018 AForm 4 →Jun 11, 6:11 pm EDTMERIT MEDICAL SYSTEMS INCMMSI25,000——25,000—