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TransMedics Group, Inc.

TMDX
Exchange
Nasdaq
Industry
Electromedical & Electrotherapeutic Apparatus
SEC CIK
0001756262

In the last 90 days, TransMedics Group, Inc. insiders filed 1 open-market purchase and 0 sales; 392 institutions reported holding it in 13F filings for Q2 2026, worth $2.84B in total; Oaktree Capital is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by TransMedics Group, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
1 filing
1 insider, $109.1K in total
Open-market sells
0 filings
Insiders trading
1
Net value
+$109.1K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for TransMedics Group, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for TransMedics Group, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Weill DavidDirector16,392Sep 14, 20264
Tobin James RDirector0IndirectAug 17, 20262
Corcoran NicholasSee remarks41,558Jul 14, 20262
Hernandez GerardoChief Financial Officer31,935Jul 14, 20263
Hassanein Waleed HPresident & CEO171,093Jul 14, 20262
Gunderson Thomas JamesDirector16,642Jun 17, 20262
Raines MerileeDirector6,981May 22, 20261
Kania Edwin M JrDirector263,732May 22, 20261
Lovell StephanieDirector5,788May 22, 20262
Basile Edward MDirector5,788May 22, 20262
Forsyth Matthew S.See Remarks15,409May 21, 20261
Ranganath Anil P.See remarks13,091Mar 4, 20262
Cecere GiovanniChief Commercial Officer19,057Feb 20, 20261
Khayal Tamer IChief Commercial Officer36,042Mar 5, 20250
Gordon StephenChief Financial Officer21,299Jun 5, 20240
Provost MiriamVP, Global Regulatory Affairs23,348Dec 15, 20230
Damme LauraVP, Clinical Affairs5,685Feb 22, 20230
Carey John FVP of Operations14,120Feb 3, 20230
Sullivan John FVP of Quality & Engineering14,273Sep 1, 20210
Godhani Rakesh P.Chief Digital Officer–Aug 6, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 14, 2026 (view filing)4:30 PM ETSep 113 daysWeill DavidDirectorPPurchase+1.34K$81.63+$109.1K+8.9%16.4K after
Jun 17, 2026 (view filing)Jun 152 daysGunderson Thomas JamesDirectorSSale−9.62K$75.06−$722.4K−36.6%16.6K after
Mar 6, 2026 (view filing)Mar 42 daysLovell StephanieDirectorSSale−1.19K$149.62−$178.5K−29.4%2.87K after
Mar 6, 2026 (view filing)Mar 42 daysWeill DavidDirectorSSale−3.57K$146.82−$524.3K−22.7%12.1K after
Mar 4, 2026 (view filing)Mar 2-42 daysHernandez GerardoChief Financial OfficerSSale−7.61K$146.81−$1.12M−34.1%14.7K after3 lots
Mar 4, 2026 (view filing)Mar 22 daysRanganath Anil P.See remarksSSale−864$139.12−$120.2K−6.2%13.1K after
Mar 4, 2026 (view filing)Mar 22 daysCorcoran NicholasSee remarksSSale−2.97K$139.12−$412.6K−9.0%29.8K after
Dec 5, 2025 (view filing)Dec 32 daysWeill DavidDirectorSSale−5.00K$138.64−$693.2K−29.2%12.1K after
Dec 5, 2025 (view filing)Dec 41 dayHernandez GerardoChief Financial OfficerSSale−920$139.62−$128.5K−5.8%15.1K after
Nov 26, 2025 (view filing)Nov 251 dayRanganath Anil P.See remarksSSale−3.00K$145.22−$435.7K−17.7%14.0K after
Nov 18, 2025 (view filing)Nov 171 dayHassanein Waleed HPresident & CEOPPurchase+8.78K$114.00+$1.00M+1.8%495.0K after
Oct 31, 2025 (view filing)Oct 292 daysBasile Edward MDirectorSSale−4.14K$130.45−$540.3K−59.1%2.87K after10b5-1
Aug 8, 2025 (view filing)Aug 6-72 daysHassanein Waleed HPresident & CEOPPurchase+16.9K$117.46+$1.98M+3.6%486.2K after3 lots
Aug 5, 2025 (view filing)Aug 41 dayBasile Edward MDirectorSSale−4.14K$125.51−$520.0K−59.1%2.87K after10b5-1
Jun 10, 2025 (view filing)Jun 91 dayRanganath Anil P.See remarksSSale−686$139.80−$95.9K−4.7%14.0K after
May 29, 2025 (view filing)May 272 daysBasile Edward MDirectorSSale−5.00K$126.45−$632.3K−63.6%2.87K after10b5-1
May 23, 2025 (view filing)May 23Same dayWeill DavidDirectorSSale−732$123.88−$90.7K−5.7%12.1K after
May 13, 2025 (view filing)May 94 daysBasile Edward MDirectorSSale−6.00K$115.63−$693.8K−89.1%732 after10b5-1
Mar 5, 2025 (view filing)Mar 32 daysKhayal Tamer IChief Commercial OfficerSSale−2.41K$76.43−$184.0K−6.3%36.0K after
Jan 10, 2025 (view filing)Jan 73 daysKhayal Tamer IChief Commercial OfficerSSale−1.08K$80.05−$86.7K−4.9%20.8K after10b5-1
Dec 4, 2024 (view filing)Dec 22 daysKhayal Tamer IChief Commercial OfficerSSale−1.08K$86.40−$93.7K−4.9%20.8K after10b5-1
Nov 13, 2024 (view filing)Nov 112 daysKhayal Tamer IChief Commercial OfficerSSale−1.46K$90.04−$131.3K−6.5%20.8K after10b5-1
Nov 7, 2024 (view filing)Nov 52 daysBasile Edward MDirectorSSale−6.75K$83.55−$564.0K−90.2%732 after2 lots10b5-1
Nov 5, 2024 (view filing)Nov 14 daysKhayal Tamer IChief Commercial OfficerSSale−1.08K$82.64−$89.5K−4.9%20.8K after10b5-1
Oct 17, 2024 (view filing)Oct 152 daysHassanein Waleed HPresident & CEOSSale−8.63K$132.71−$1.14M−12.3%61.6K after4 lots10b5-1
Oct 3, 2024 (view filing)Oct 12 daysKhayal Tamer IChief Commercial OfficerSSale−2.96K$148.24−$438.5K−12.4%20.8K after9 lots10b5-1
Sep 17, 2024 (view filing)Sep 161 dayHassanein Waleed HPresident & CEOSSale−8.63K$153.42−$1.32M−12.3%61.6K after6 lots10b5-1
Sep 5, 2024 (view filing)Sep 32 daysKhayal Tamer IChief Commercial OfficerSSale−2.96K$159.60−$472.4K−12.4%20.8K after8 lots10b5-1
Aug 29, 2024 (view filing)Aug 272 daysCorcoran NicholasSee RemarksSSale−10.0K$176.02−$1.76M−32.1%21.1K after
Aug 23, 2024 (view filing)Aug 21-222 daysHassanein Waleed HPresident & CEOSSale−45.0K$173.24−$7.80M−42.2%61.6K after2 lots
Aug 19, 2024 (view filing)Aug 154 daysHassanein Waleed HPresident & CEOSSale−8.63K$169.73−$1.46M−12.3%61.6K after7 lots10b5-1
Aug 9, 2024 (view filing)Jun 5-Aug 765 daysLateRanganath Anil P.See remarksSSale−4.99K$149.81−$747.8K−36.0%8.89K after2 lots
Aug 9, 2024 (view filing)Aug 81 dayTobin James RDirectorSSale−20.0K$159.33−$3.19M−10.4%173.1K after2 lots
Aug 8, 2024 (view filing)Aug 62 daysBasile Edward MDirectorSSale−6.75K$149.96−$1.01M−90.2%732 after4 lots10b5-1
Aug 5, 2024 (view filing)Aug 14 daysKhayal Tamer IChief Commercial OfficerSSale−2.96K$156.77−$463.7K−12.4%20.8K after14 lots10b5-1
Jul 17, 2024 (view filing)Jul 152 daysHassanein Waleed HPresident & CEOSSale−8.63K$145.17−$1.25M−12.3%61.6K after5 lots10b5-1
Jul 3, 2024 (view filing)Jul 12 daysKhayal Tamer IChief Commercial OfficerSSale−2.96K$151.40−$447.9K−12.4%20.8K after5 lots10b5-1
Jun 17, 2024 (view filing)Jun 143 daysHassanein Waleed HPresident & CEOSSale−8.63K$141.85−$1.22M−12.3%61.6K after5 lots10b5-1
Jun 7, 2024 (view filing)Jun 52 daysBasile Edward MDirectorSSale−1.19K$138.08−$164.7K−62.0%732 after
Jun 5, 2024 (view filing)Jun 32 daysGordon StephenChief Financial OfficerSSale−2.06K$135.93−$280.0K−8.8%21.3K after10b5-1
Jun 5, 2024 (view filing)Jun 32 daysKhayal Tamer IChief Commercial OfficerSSale−2.96K$133.10−$394.0K−12.4%20.8K after7 lots10b5-1
May 31, 2024 (view filing)May 292 daysWeill DavidDirectorSSale−1.19K$141.65−$169.0K−10.0%10.7K after
May 31, 2024 (view filing)May 292 daysGordon StephenChief Financial OfficerSSale−20.0K$141.40−$2.83M−48.4%21.3K after3 lots
May 17, 2024 (view filing)May 152 daysHassanein Waleed HPresident & CEOSSale−8.63K$135.32−$1.17M−12.3%61.6K after4 lots10b5-1
May 14, 2024 (view filing)May 104 daysWeill DavidDirectorSSale−2.50K$129.82−$324.6K−18.3%11.2K after
May 14, 2024 (view filing)May 113 daysKhayal Tamer IChief Commercial OfficerSSale−52.2K$109.14−$5.70M−71.5%20.8K afterAmended13 lots10b5-1
May 14, 2024 (view filing)May 113 daysKhayal Tamer IChief Commercial OfficerSSale−11.1K$105.71−$1.17M−100.0%0 afterAmended10b5-1
May 8, 2024 (view filing)May 62 daysCorcoran NicholasSee RemarksSSale−3.22K$129.91−$418.6K−13.2%21.1K after
May 8, 2024 (view filing)May 62 daysGordon StephenChief Financial OfficerSSale−15.0K$128.00−$1.92M−39.2%23.3K after10b5-1
May 8, 2024 (view filing)May 71 dayBasile Edward MDirectorSSale−7.16K$129.98−$930.3K−85.7%1.19K after5 lots10b5-1