TMDX Logo

TransMedics Group, Inc. (TMDX) 

NASDAQ
Market Cap
$4.76B
Sector
Healthcare
Industry
Medical—Devices
Rank in Sector
246 of 809
Rank in Industry
35 of 107

Largest Insider Buys in Sector

TMDX Stock Price History Chart

TMDX Stock Performance

About TransMedics Group, Inc.

TransMedics Group, Inc., a commercial-stage medical technology company, engages in transforming organ transplant therapy for end-stage organ failure patients in the United States and internationally. The company offers Organ Care System (OCS), a portable organ perfusion, optimization, and monitoring system that utilizes its proprietary and customized technology to replicate near-physiologic conditions for donor organs outside of the human body. Its Organ Care System includes OCS LUNG for the preservation of standard criteria donor lungs for double-lung transplantation; OCS Heart, a technology for extracorporeal perfusion and preservation of donor hearts; and OCS Liver for the preservation of donor livers. The company was founded in 1998 and is headquartered in Andover, Massachusetts.

Insider Activity of TransMedics Group, Inc.

Over the last 12 months, insiders at TransMedics Group, Inc. have bought $155,000 and sold $51.41M worth of TransMedics Group, Inc. stock.

On average, over the past 5 years, insiders at TransMedics Group, Inc. have bought $1.67M and sold $39.05M worth of stock each year.

Highest buying activity among insiders over the last 12 months: Weill David (director) — $155,000.

The last purchase of 2,500 shares for transaction amount of $155,000 was made by Weill David (director) on 2023‑08‑29.

List of Insider Buy and Sell Transactions, TransMedics Group, Inc.

2024-06-14SaleHassanein Waleed HPresident & CEO
8,625
0.0267%
$141.85$1.22M+1.07%
2024-06-05SaleBasile Edward Mdirector
1,193
0.0037%
$138.08$164,729+5.06%
2024-06-03SaleGordon StephenChief Financial Officer
2,060
0.0064%
$135.93$280,016+6.17%
2024-06-03SaleKhayal Tamer IChief Commercial Officer
2,960
0.009%
$133.10$393,986+6.17%
2024-05-29SaleGordon StephenChief Financial Officer
20,000
0.0603%
$141.40$2.83M-1.76%
2024-05-29SaleWeill Daviddirector
1,193
0.0036%
$141.65$168,988-1.76%
2024-05-15SaleHassanein Waleed HPresident & CEO
8,625
0.026%
$135.32$1.17M+2.12%
2024-05-10SaleWeill Daviddirector
2,500
0.0076%
$129.82$324,550+6.59%
2024-05-07SaleBasile Edward Mdirector
7,157
0.0214%
$129.98$930,278+8.39%
2024-05-06SaleHassanein Waleed HPresident & CEO
30,000
0.0899%
$130.07$3.9M+3.75%
2024-05-06SaleGordon StephenChief Financial Officer
15,000
0.0442%
$128.00$1.92M+3.75%
2024-05-06SaleCorcoran NicholasSee Remarks
3,222
0.0096%
$129.91$418,570+3.75%
2024-05-06SaleKhayal Tamer IChief Commercial Officer
5,839
0.0175%
$130.07$759,479+3.75%
2024-05-03SaleTOBIN JAMES Rdirector
12,025
0.0359%
$125.05$1.5M+7.28%
2024-05-02SaleHassanein Waleed HPresident & CEO
12,444
0.0371%
$121.41$1.51M+10.30%
2024-05-01SaleTOBIN JAMES Rdirector
15,040
0.0416%
$106.43$1.6M+16.68%
2024-05-01SaleHassanein Waleed HPresident & CEO
56,000
0.1683%
$115.63$6.48M+16.68%
2024-05-01SaleKhayal Tamer IChief Commercial Officer
63,260
0.1785%
$108.54$6.87M+16.68%
2024-04-17SaleHassanein Waleed HPresident & CEO
4,000
0.0132%
$95.12$380,480+53.85%
2024-04-10SaleHassanein Waleed HPresident & CEO
12,000
0.0365%
$95.09$1.14M+40.08%

Insider Historical Profitability

<0.0001%
Hassanein Waleed HPresident & CEO
61643
1.552%
$144.66036
TOBIN JAMES Rdirector
193146
0.7155%
$144.6609
Provost MiriamVP, Global Regulatory Affairs
23820
0.073%
$144.6605
Corcoran NicholasSee Remarks
21105
0.0645%
$144.6601
Khayal Tamer IChief Commercial Officer
20843
0.044%
$144.66040
Weill Daviddirector
10732
0.0419%
$144.6624+0.77%
Gordon StephenChief Financial Officer
21299
0.04%
$144.66030
Basile Edward Mdirector
732
0.0256%
$144.6615<0.0001%
ABRAMS CAPITAL MANAGEMENT, L.P.10 percent owner
2624712
8.0395%
$144.6602
UNITED THERAPEUTICS Corpdirector
2053240
6.2891%
$144.6601
KANIA EDWIN M JRdirector
302893
0.9278%
$144.6620<0.0001%
Carey John FVP of Operations
14120
0.0432%
$144.66037
Sullivan John FVP of Quality & Engineering
10828
0.0332%
$144.6605
DAMME LAURAVP, Clinical Affairs
0
0%
$144.6601
Lovell Stephaniedirector
0
0%
$144.6601

Institutional Investor Ownership

Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Fidelity Investments$357.79M14.694.84M+0.21%+$749,455.860.02
BlackRock$186.6M7.662.52M-1.04%-$1.97M<0.01
The Vanguard Group$139.68M5.741.89M+1.29%+$1.77M<0.01
Macquarie Group$95.95M3.941.3M-14.95%-$16.87M0.08
Driehaus Capital Management LLC$94.88M3.91.28M+17.67%+$14.25M0.95
Invesco$94.85M3.891.28M+12.44%+$10.49M0.02
Eventide Asset Management$86.5M3.551.17M+17.67%+$12.99M1.36
Arrowmark Colorado Holdings Llc$79.85M3.281.08M+5.79%+$4.37M0.2
Credit Suisse$62.69M2.57847,885-1.35%-$857,186.420.06
State Street$57.29M2.35774,879-1.55%-$901,994.06<0.01
Sandhill Capital Partners Llc$54.25M2.23733,671-3.87%-$2.18M4.34
Allspring Global Investments$53.98M2.22730,010+3.07%+$1.61M0.09
Geode Capital Management$53.5M2.2723,438+3.25%+$1.68M0.01
First Light Asset Management$52.62M2.16711,682-5.65%-$3.15M4.16
Mackenzie Financial Corp$49.27M2.02666,286+46.88%+$15.72M0.07
Braidwell Lp$45.44M1.87614,531+422.11%+$36.74M2.56
BNY Mellon$39.33M1.62531,895-22.58%-$11.47M0.01
Emerald Advisers, Inc.$38.7M1.59523,420+1.37%+$522,533.981.57
Next Century Growth Investors LLC$34.92M1.43472,215+2.05%+$702,430.003.03
Morgan Stanley$32.9M1.35444,907-7.28%-$2.58M<0.01
Wasatch Advisors$32.16M1.32434,971New+$32.16M0.17
EMERALD MUTUAL FUND ADVISERS TRUST$30.65M1.26414,514+0.1%+$31,424.501.62
Voloridge Investment Management, LLC$28.86M1.19390,349+17.56%+$4.31M0.07
Bellevue Group$26.92M1.11364,064-29.84%-$11.45M0.41
ROYCE & ASSOCIATES INC$23.31M0.96315,198-10.38%-$2.7M0.21
Lord Abbett$22.58M0.93305,419-70.22%-$53.25M0.08
Baillie Gifford Co$22.42M0.92303,162-1.88%-$430,035.050.02
Fuller & Thaler Asset Management, Inc.$22.4M0.92303,007New+$22.4M0.1
T. Rowe Price$21.98M0.9297,324+8.08%+$1.64M<0.01
American Century Investments$21.86M0.9295,606-41.82%-$15.71M0.01
Northern Trust$21.33M0.88288,486-2.72%-$596,326.10<0.01
Goldman Sachs$21.08M0.87285,073-28.24%-$8.3M<0.01
Eagle Health Investments Lp$20.6M0.85278,655-11.5%-$2.68M3.93
Marshall Wace$19.32M0.79261,234-23.67%-$5.99M0.03
Charles Schwab$19.03M0.78257,324+1.5%+$281,489.59<0.01
Bank of America$15.69M0.64212,262+28.48%+$3.48M<0.01
Oberweis Asset Management Inc$14.65M0.6198,200-6.91%-$1.09M1.06
Barclays$14.61M0.6197,591-4.12%-$627,712.850.01
Blair William Co Il$13.57M0.56183,524+15.35%+$1.81M0.04
Wells Fargo$13.11M0.54177,338-9%-$1.3M<0.01
Citadel Advisors LLC$12.71M0.52171,834-9.84%-$1.39M0.01
Ensign Peak Advisors Inc$12.68M0.52171,509-0.47%-$60,482.920.02
Fil Ltd$11.9M0.49160,886+3,117.72%+$11.53M0.01
Deutsche Bank$10.06M0.41136,048+2.49%+$244,149.850.01
HERITAGE ASSET MANAGEMENT INC$9.82M0.41133,788New+$9.82M0.05
Granahan Investment Management$9.86M0.41133,387-9.1%-$987,025.080.35
Segall Bryant & Hamill$8.43M0.35114,028+21%+$1.46M0.16
Susquehanna International Group$8.18M0.34110,638+455.08%+$6.71M0.01
SEI Investments Company$8.17M0.34110,427-36.3%-$4.65M0.01
JPMorgan Chase$8.11M0.33109,741-5.69%-$489,778.59<0.01