Transmedics Group Inc

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Transmedics Group Inc
TickerTMDX
CIK #0001756262
CUSIP89377M109
SectorLife Sciences - Electromedical & Electrotherapeutic Apparatus
Address200 Minuteman Road, Andover, MA 01810
Source [EDGAR]
CIK Filing 2011 - 2026
[0001756262] 10-K
[0001756262] 10-Q
[0001756262] 3
[0001756262] 4
[0001756262] 8-K
[0001756262] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Capital Management LLC Transmedics Group Inc [2026-04-30] 0.0
Vanguard Portfolio Management LLC Transmedics Group Inc [2026-04-29] 0.0
Vanguard Group Inc Transmedics Group Inc [2023-02-09] 5.3
Macquarie Group Ltd Transmedics Group Inc [2022-02-14] 5.95
Sandhill Capital Partners LLC Transmedics Group Inc [2022-02-11] 6.5
BlackRock Inc Transmedics Group Inc [2021-02-02] 5.8
Abrams Capital Management LP Transmedics Group Inc [2020-02-13] 0.0
Credit Suisse AG/ Transmedics Group Inc [2020-02-13] 5.34
Credit Suisse AG/ Transmedics Group Inc [2020-02-13] 5.34
United Therapeutics Corp Transmedics Group Inc [2020-02-07] 6.89
FMR LLC Transmedics Group Inc [2019-07-10] 0.0
Form 3/4/5 Filer 2011 - 2026
TransMedics Group Inc
Gunderson Thomas James
Lovell Stephanie
Weill David
Raines Merilee
Basile Edward M
Kania Edwin
Tobin James R
Forsyth Matthew S
Ranganath Anil P
Hernandez Gerardo
Corcoran Nicholas
Cecere Giovanni
Hassanein Waleed H
Khayal Tamer I
Gordon Stephen
Provost Miriam
Damme Laura
Carey John F
Sullivan John F
Godhani Rakesh P
Abrams David C
Abrams Capital Management LLC
Abrams Capital LLC
Riva Capital Management III LLC
Riva Capital Partners III LP
Abrams Capital Partners II LP
Abrams Capital Management LP
Lung Biotechnology PBC
United Therapeutics Corp
Flagship Ventures 2007 General Partner LLC
Flagship Ventures Fund IV LP
Flagship Ventures Fund IV General Partner LLC
Afeyan Noubar
Flagship Ventures Fund 2007 LP
Gilbert James
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Hernandez Gerardo
Stock Option (Right to Buy) · derivative
2026-03-04 Option exercise 1,324 $0.00
Hernandez Gerardo
Common Stock
2026-03-04 Option exercise 1,324 $77.12 102,107
Lovell Stephanie
Common Stock
2026-03-04 Sell 1,193 $149.62 178,497
Hernandez Gerardo
Common Stock
2026-03-04 Sell 5,912 $147.21 870,306
Weill David
Stock Option (Right to Buy) · derivative
2026-03-04 Option exercise 3,571 $0.00
Hernandez Gerardo
Common Stock
2026-03-04 Option exercise 5,912 $69.84 412,894
Hernandez Gerardo
Common Stock
2026-03-04 Sell 1,324 $147.21 194,906
Hernandez Gerardo
Stock Option (Right to Buy) · derivative
2026-03-04 Option exercise 5,912 $0.00
Weill David
Common Stock
2026-03-04 Sell 3,571 $146.82 524,294
Weill David
Common Stock
2026-03-04 Option exercise 3,571 $14.20 50,708
Ranganath Anil P
Common Stock
2026-03-02 Sell 864 $139.12 120,200
Corcoran Nicholas
Common Stock
2026-03-02 Sell 2,966 $139.12 412,630
Hernandez Gerardo
Common Stock
2026-03-02 Sell 375 $139.12 52,170
Cecere Giovanni
Stock Option (Right to Buy) · derivative
2026-02-18 Grant 16,734 $0.00
Cecere Giovanni
Common Stock
2026-02-18 Grant 11,082 $0.00
Corcoran Nicholas
Common Stock
2026-01-23 Tax withheld 984 $135.30 133,135
Hernandez Gerardo
Common Stock
2025-12-04 Sell 920 $139.62 128,450
Weill David
Common Stock
2025-12-03 Sell 5,000 $138.64 693,200
Weill David
Common Stock
2025-12-03 Option exercise 5,000 $14.20 71,000
Weill David
Stock Option (Right to Buy) · derivative
2025-12-03 Option exercise 5,000 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 418 37,077,868
2025-12-31 436 37,611,184
2025-09-30 394 39,097,473
2025-06-30 373 38,627,465
2025-03-31 304 40,330,076
2024-12-31 316 39,575,900
2024-09-30 380 36,300,534
2024-06-30 343 33,600,013
2024-03-31 265 35,661,232
2023-12-31 250 34,633,790
2023-09-30 223 35,180,831
2023-06-30 243 30,847,614
Form 13F Holdings
Firm Period DFND Voting Shares
Wasatch Advisors LP [2026-06-30] SOLE 212,876 308,434
Zevenbergen Capital Investments LLC [2026-06-30] SOLE 163,801 241,391
Congress Asset Management Co [2026-06-30] SOLE 227,625 227,834
Peregrine Capital Management LLC [2026-06-30] SOLE 25,033 67,544
Zevenbergen Capital Investments LLC [2026-06-30] OTR 67,000 67,000
Louisiana State Employees Retirement System [2026-06-30] SOLE 15,200 15,200
Strong Tower Advisory Services [2026-06-30] SOLE 15,160 15,160
Handelsbanken Fonder AB [2026-06-30] SOLE 0 13,500
Alaska Retirement Management Board [2026-06-30] SOLE 11,382 11,382
Yousif Capital Management LLC [2026-06-30] SOLE 2,326 9,332
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 8,196 8,196
Envestnet Portfolio Solutions Inc [2026-06-30] SOLE 7,691 7,691
Keystone Global Partners LLC [2026-06-30] SOLE 7,200 7,200
First Citizens Bank & Trust Co [2026-06-30] SOLE 6,925 6,925
Plan A Wealth LLC [2026-06-30] SOLE 5,167 5,167
CFG Wealth Management Services Inc [2026-06-30] SOLE 0 4,689
IFP Advisors LLC [2026-06-30] SOLE 4,652 4,652
SLT Holdings LLC [2026-06-30] SOLE 0 4,499
180 Wealth Advisors LLC [2026-06-30] SOLE 883 4,157
Fiduciary Alliance LLC [2026-06-30] SOLE 3,413 3,413
Generali Investments Management Co LLC [2026-06-30] SOLE 2,996 2,996
Hager Investment Management Services LLC [2026-06-30] SOLE 2,603 2,603
Portside Wealth Group LLC [2026-06-30] SOLE 0 1,973
Gamma Investing LLC [2026-06-30] DFND 1,686 1,686
Portside Wealth Group LLC [2026-06-30] OTR 0 1,626
Farther Finance Advisors LLC [2026-06-30] SOLE 0 988
Adirondack Trust Co [2026-06-30] SOLE 460 460
Toth Financial Advisory Corp [2026-06-30] SOLE 400 400
Three Bearings Fiduciary Advisors Inc [2026-06-30] SOLE 0 250
Spire Wealth Management [2026-06-30] SOLE 0 248
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