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CIK 0001756262 · Large accelerated filer

TransMedics Group, Inc.

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Ticker
TMDX
Exchange
Nasdaq
Industry
Electromedical & Electrotherapeutic Apparatus
FY end
Dec 31
Incorporated
MA
Entity type
operating
Phone
9785520900
Business address
200 MINUTEMAN ROAD, ANDOVER, MA, 01810
Open-market buys, last 90 days
$109,058
in 1 filing
Open-market sales, last 90 days
$385,464
in 1 filing

Net −$276,406. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. TOBIN JAMES R −$385K Director sold 58% of stake
  2. Weill David +$109K Director 1 filing

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-12-04 Hernandez Gerardo Chief Financial Officer Sale −920 $139.62 $128K 15,064
2025-12-03 Weill David Director Option exercise +5,000 $14.20 $71K 17,134
2025-12-03 Weill David Director Sale −5,000 $138.64 $693K 12,134
2025-12-03 Weill David Director Option exercise · Stock Option (Right to Buy) −5,000 5,000
2025-11-25 Ranganath Anil P. See remarks Option exercise +3,000 $93.88 $282K 16,955
2025-11-25 Ranganath Anil P. See remarks Sale −3,000 $145.22 $436K 13,955
2025-11-25 Ranganath Anil P. See remarks Option exercise · Stock Option (Right to Buy) −3,000 7,420
2025-11-17 Hassanein Waleed H President & CEO Purchase +8,775 $114.00 $1.0M 495,009
2025-10-29 Basile Edward M Director Option exercise 10b5-1 +4,142 $0.70 $3K 7,008
2025-10-29 Basile Edward M Director Sale 10b5-1 −4,142 $130.45 $540K 2,866
2025-10-29 Basile Edward M Director Option exercise · Stock Option (Right to Buy) 10b5-1 −4,142 0
2025-08-07 Hassanein Waleed H President & CEO Purchase +6,617 $116.08 $768K 484,376
2025-08-07 Hassanein Waleed H President & CEO Purchase +1,858 $116.85 $217K 486,234
2025-08-06 Hassanein Waleed H President & CEO Purchase +8,400 $118.68 $997K 477,759
2025-08-04 Basile Edward M Director Option exercise 10b5-1 +4,143 $0.70 $3K 7,009
2025-08-04 Basile Edward M Director Sale 10b5-1 −4,143 $125.51 $520K 2,866
2025-08-04 Basile Edward M Director Option exercise · Stock Option (Right to Buy) 10b5-1 −4,143 4,142
2025-06-09 Ranganath Anil P. See remarks Sale −686 $139.80 $96K 13,955
2025-05-27 Basile Edward M Director Option exercise 10b5-1 +5,000 $0.70 $4K 7,866
2025-05-27 Basile Edward M Director Sale 10b5-1 −5,000 $126.45 $632K 2,866

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