TMDX
TransMedics Group, Inc.$75.72+1.13 (+1.51%)Prev Close$74.59·MCap$2.62B·P/E16.97·Vol451.0K·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
3
$1.43M
◆
Net Activity
Net Seller
$1.43M
●
Active Insiders
3
last 12 mo
Over the past 12 months, insider activity at TransMedics Group, Inc. (TMDX) has been exclusively selling, with 0 insider purchases totaling $0.00 and 3 insider sales totaling $1.43M. The most recent insider transaction was by Gunderson Thomas J. (director), who sold $722.4K worth of shares on Jun 17, 2026. TransMedics Group, Inc. operates in the Healthcare sector, within the Medical - Devices industry, with a market cap of $2.62B.
TMDX Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 17, 2026 | Gunderson Thomas J. | director | Sell | 9,624 | $75.06 | $722.4K | 16,642-37% |
| Mar 6, 2026 | Lovell Stephanie | director | Sell | 1,193 | $149.62 | $178.5K | 2,866-29% |
| Mar 6, 2026 | Weill David | director | Sell | 3,571 | $146.82 | $524.3K | 12,134 |
| Mar 5, 2025 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,407 | $76.43 | $184.0K | 36,042 |
| Jan 10, 2025 | Khayal Tamer I | Chief Commercial Officer | Sell | 1,083 | $80.05 | $86.7K | 20,843 |
| Dec 4, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 1,084 | $86.40 | $93.7K | 20,843 |
| Nov 13, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 1,458 | $90.04 | $131.3K | 20,843 |
| Nov 7, 2024 | Basile Edward M | Sell | 6,750 | $83.55 | $564.0K | 2,186-76% | |
| Nov 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 1,083 | $82.64 | $89.5K | 20,843 |
| Oct 17, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $132.71 | $1.14M | 66,661 |
| Oct 3, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,958 | $148.24 | $438.5K | 22,978 |
| Sep 17, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $153.42 | $1.32M | 69,360 |
| Sep 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,960 | $159.60 | $472.4K | 23,204 |
| Aug 29, 2024 | Corcoran Nicholas | See Remarks | Sell | 10,000 | $176.02 | $1.76M | 21,105-32% |
| Aug 23, 2024 | Hassanein Waleed H | President & CEO | Sell | 45,000 | $173.24 | $7.80M | 61,643-42% |
| Aug 19, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $169.73 | $1.46M | 69,968 |
| Aug 9, 2024 | Ranganath Anil P. | See remarks | Sell | 4,992 | $149.81 | $747.8K | 8,893-36% |
| Aug 9, 2024 | TOBIN JAMES R | Sell | 20,000 | $159.33 | $3.19M | 180,482 | |
| Aug 8, 2024 | Basile Edward M | Sell | 6,750 | $149.96 | $1.01M | 5,652-54% | |
| Aug 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,958 | $156.77 | $463.7K | 23,687 |
| Jul 17, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $145.17 | $1.25M | 68,871 |
| Jul 3, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,958 | $151.40 | $447.9K | 23,691 |
| Jun 17, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $141.85 | $1.22M | 68,654 |
| Jun 7, 2024 | Basile Edward M | Sell | 1,193 | $138.08 | $164.7K | 732-62% | |
| Jun 5, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 2,060 | $135.93 | $280.0K | 21,299 |
| Jun 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,960 | $133.10 | $394.0K | 23,698 |
| May 31, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 20,000 | $141.40 | $2.83M | 29,954-40% |
| May 31, 2024 | Weill David | Sell | 1,193 | $141.65 | $169.0K | 10,732 | |
| May 17, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $135.32 | $1.17M | 69,968 |
| May 14, 2024 | Weill David | Sell | 2,500 | $129.82 | $324.6K | 11,193 | |
| May 8, 2024 | Basile Edward M | Sell | 7,157 | $129.98 | $930.3K | 6,220-54% | |
| May 8, 2024 | Corcoran Nicholas | See Remarks | Sell | 3,222 | $129.91 | $418.6K | 21,105 |
| May 8, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 15,000 | $128.00 | $1.92M | 23,299-39% |
| May 8, 2024 | Hassanein Waleed H | President & CEO | Sell | 30,000 | $130.07 | $3.90M | 61,643-33% |
| May 8, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 5,839 | $130.07 | $759.5K | 9,792-37% |
| May 7, 2024 | TOBIN JAMES R | Sell | 12,025 | $125.05 | $1.50M | 200,041 | |
| May 3, 2024 | Hassanein Waleed H | President & CEO | Sell | 68,444 | $116.68 | $7.99M | 127,402-35% |
| May 3, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 78,036 | $109.78 | $8.57M | 49,821-61% |
| May 3, 2024 | TOBIN JAMES R | Sell | 15,040 | $106.43 | $1.60M | 208,975 | |
| Apr 18, 2024 | Hassanein Waleed H | President & CEO | Sell | 4,000 | $95.12 | $380.5K | 74,087 |
| Apr 12, 2024 | Hassanein Waleed H | President & CEO | Sell | 12,000 | $95.09 | $1.14M | 74,087 |
| Apr 10, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 19,900 | $90.35 | $1.80M | 30,165-40% |
| Apr 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 10,000 | $80.21 | $802.1K | 25,185-28% |
| Apr 2, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 15,000 | $74.01 | $1.11M | 23,299-39% |
| Mar 12, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 1,903 | $87.63 | $166.8K | 23,299 |
| Mar 12, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 1,417 | $87.80 | $124.4K | 26,502 |
| Mar 5, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 15,000 | $82.80 | $1.24M | 25,202-37% |
| Mar 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 10,000 | $82.99 | $829.9K | 33,634 |
| Mar 5, 2024 | TOBIN JAMES R | Sell | 13,380 | $83.63 | $1.12M | 233,391 | |
| Feb 21, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 3,108 | $90.00 | $279.7K | 14,375 |
Showing 1–50 of 160
1 / 4
TMDX Insider Buying Activity
The following table shows recent insider purchases of TransMedics Group, Inc. (TMDX) stock reported via SEC Form 4 filings.
No insider buying activity found for TMDX in the last 12 months.
TMDX Insider Selling Activity
The following table shows recent insider sales of TransMedics Group, Inc. (TMDX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 17, 2026 | Gunderson Thomas J. | director | Sell | 9,624 | $75.06 | $722.4K | 16,642-37% |
| Mar 6, 2026 | Lovell Stephanie | director | Sell | 1,193 | $149.62 | $178.5K | 2,866-29% |
| Mar 6, 2026 | Weill David | director | Sell | 3,571 | $146.82 | $524.3K | 12,134 |
| Mar 5, 2025 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,407 | $76.43 | $184.0K | 36,042 |
| Jan 10, 2025 | Khayal Tamer I | Chief Commercial Officer | Sell | 1,083 | $80.05 | $86.7K | 20,843 |
| Dec 4, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 1,084 | $86.40 | $93.7K | 20,843 |
| Nov 13, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 1,458 | $90.04 | $131.3K | 20,843 |
| Nov 7, 2024 | Basile Edward M | Sell | 6,750 | $83.55 | $564.0K | 2,186-76% | |
| Nov 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 1,083 | $82.64 | $89.5K | 20,843 |
| Oct 17, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $132.71 | $1.14M | 66,661 |
| Oct 3, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,958 | $148.24 | $438.5K | 22,978 |
| Sep 17, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $153.42 | $1.32M | 69,360 |
| Sep 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,960 | $159.60 | $472.4K | 23,204 |
| Aug 29, 2024 | Corcoran Nicholas | See Remarks | Sell | 10,000 | $176.02 | $1.76M | 21,105-32% |
| Aug 23, 2024 | Hassanein Waleed H | President & CEO | Sell | 45,000 | $173.24 | $7.80M | 61,643-42% |
| Aug 19, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $169.73 | $1.46M | 69,968 |
| Aug 9, 2024 | Ranganath Anil P. | See remarks | Sell | 4,992 | $149.81 | $747.8K | 8,893-36% |
| Aug 9, 2024 | TOBIN JAMES R | Sell | 20,000 | $159.33 | $3.19M | 180,482 | |
| Aug 8, 2024 | Basile Edward M | Sell | 6,750 | $149.96 | $1.01M | 5,652-54% | |
| Aug 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,958 | $156.77 | $463.7K | 23,687 |
| Jul 17, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $145.17 | $1.25M | 68,871 |
| Jul 3, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,958 | $151.40 | $447.9K | 23,691 |
| Jun 17, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $141.85 | $1.22M | 68,654 |
| Jun 7, 2024 | Basile Edward M | Sell | 1,193 | $138.08 | $164.7K | 732-62% | |
| Jun 5, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 2,060 | $135.93 | $280.0K | 21,299 |
| Jun 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 2,960 | $133.10 | $394.0K | 23,698 |
| May 31, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 20,000 | $141.40 | $2.83M | 29,954-40% |
| May 31, 2024 | Weill David | Sell | 1,193 | $141.65 | $169.0K | 10,732 | |
| May 17, 2024 | Hassanein Waleed H | President & CEO | Sell | 8,625 | $135.32 | $1.17M | 69,968 |
| May 14, 2024 | Weill David | Sell | 2,500 | $129.82 | $324.6K | 11,193 | |
| May 8, 2024 | Basile Edward M | Sell | 7,157 | $129.98 | $930.3K | 6,220-54% | |
| May 8, 2024 | Corcoran Nicholas | See Remarks | Sell | 3,222 | $129.91 | $418.6K | 21,105 |
| May 8, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 15,000 | $128.00 | $1.92M | 23,299-39% |
| May 8, 2024 | Hassanein Waleed H | President & CEO | Sell | 30,000 | $130.07 | $3.90M | 61,643-33% |
| May 8, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 5,839 | $130.07 | $759.5K | 9,792-37% |
| May 7, 2024 | TOBIN JAMES R | Sell | 12,025 | $125.05 | $1.50M | 200,041 | |
| May 3, 2024 | Hassanein Waleed H | President & CEO | Sell | 68,444 | $116.68 | $7.99M | 127,402-35% |
| May 3, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 78,036 | $109.78 | $8.57M | 49,821-61% |
| May 3, 2024 | TOBIN JAMES R | Sell | 15,040 | $106.43 | $1.60M | 208,975 | |
| Apr 18, 2024 | Hassanein Waleed H | President & CEO | Sell | 4,000 | $95.12 | $380.5K | 74,087 |
| Apr 12, 2024 | Hassanein Waleed H | President & CEO | Sell | 12,000 | $95.09 | $1.14M | 74,087 |
| Apr 10, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 19,900 | $90.35 | $1.80M | 30,165-40% |
| Apr 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 10,000 | $80.21 | $802.1K | 25,185-28% |
| Apr 2, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 15,000 | $74.01 | $1.11M | 23,299-39% |
| Mar 12, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 1,903 | $87.63 | $166.8K | 23,299 |
| Mar 12, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 1,417 | $87.80 | $124.4K | 26,502 |
| Mar 5, 2024 | Gordon Stephen | Chief Financial Officer | Sell | 15,000 | $82.80 | $1.24M | 25,202-37% |
| Mar 5, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 10,000 | $82.99 | $829.9K | 33,634 |
| Mar 5, 2024 | TOBIN JAMES R | Sell | 13,380 | $83.63 | $1.12M | 233,391 | |
| Feb 21, 2024 | Khayal Tamer I | Chief Commercial Officer | Sell | 3,108 | $90.00 | $279.7K | 14,375 |
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