Hassanein Waleed H - Insider Non-Derivative Transactions at TransMedics Group, Inc. (TMDX) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Nov 17, 2025, Hassanein Waleed H's relationship to TransMedics Group, Inc. (TMDX) is Director,Officer (President & CEO), and currently has 495,009 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other TMDX insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Hassanein Waleed H - Insider Non-Derivative Transactions of TMDX Common Stock
Hassanein Waleed H - Insider Non-Derivative Transactions at TMDX
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Nov 18, 2025 | P -- (Common Stock) | 8775 | 114 | 495009 |
| Aug 8, 2025 | P -- (Common Stock) | 6617 | 116.08 | 484376 |
| Aug 8, 2025 | P -- (Common Stock) | 1858 | 116.85 | 486234 |
| Aug 7, 2025 | P -- (Common Stock) | 8400 | 118.68 | 477759 |
| Feb 26, 2025 | Acquisition -- (Common Stock) | 59781 | 0 | 121424 |
| Oct 16, 2024 | Sell -- (Common Stock) | 300 | 135.04 | 61643 |
| Oct 16, 2024 | Sell -- (Common Stock) | 1200 | 134.23 | 61943 |
| Oct 16, 2024 | Sell -- (Common Stock) | 3518 | 132.82 | 63143 |
| Oct 16, 2024 | Sell -- (Common Stock) | 3607 | 131.91 | 66661 |
| Oct 16, 2024 | M -- (Common Stock) | 8625 | 13.28 | 70268 |
| Sep 17, 2024 | Sell -- (Common Stock) | 626 | 156.48 | 61643 |
| Sep 17, 2024 | Sell -- (Common Stock) | 688 | 155.65 | 62269 |
| Sep 17, 2024 | Sell -- (Common Stock) | 1383 | 154.16 | 62957 |
| Sep 17, 2024 | Sell -- (Common Stock) | 3155 | 153.32 | 64340 |
| Sep 17, 2024 | Sell -- (Common Stock) | 1865 | 152.3 | 67495 |
| Sep 17, 2024 | Sell -- (Common Stock) | 908 | 151.1 | 69360 |
| Sep 17, 2024 | M -- (Common Stock) | 8625 | 13.28 | 70268 |
| Aug 23, 2024 | Sell -- (Common Stock) | 25000 | 175 | 61643 |
| Aug 23, 2024 | M -- (Common Stock) | 25000 | 16.14 | 86643 |
| Aug 22, 2024 | Sell -- (Common Stock) | 20000 | 171.03 | 61643 |
| Aug 22, 2024 | M -- (Common Stock) | 20000 | 16 | 81643 |
| Aug 16, 2024 | Sell -- (Common Stock) | 205 | 171.86 | 61643 |
| Aug 16, 2024 | Sell -- (Common Stock) | 1018 | 171.42 | 61848 |
| Aug 16, 2024 | Sell -- (Common Stock) | 4526 | 170.21 | 62866 |
| Aug 16, 2024 | Sell -- (Common Stock) | 1376 | 169.39 | 67392 |
| Aug 16, 2024 | Sell -- (Common Stock) | 500 | 168.17 | 68768 |
| Aug 16, 2024 | Sell -- (Common Stock) | 700 | 167.24 | 69268 |
| Aug 16, 2024 | Sell -- (Common Stock) | 300 | 165.26 | 69968 |
| Aug 16, 2024 | M -- (Common Stock) | 8625 | 13.28 | 70268 |
| Jul 16, 2024 | Sell -- (Common Stock) | 300 | 147.28 | 61643 |
| Jul 16, 2024 | Sell -- (Common Stock) | 2342 | 146.39 | 61943 |
| Jul 16, 2024 | Sell -- (Common Stock) | 2046 | 145.54 | 64285 |
| Jul 16, 2024 | Sell -- (Common Stock) | 2540 | 144.34 | 66331 |
| Jul 16, 2024 | Sell -- (Common Stock) | 1397 | 143.61 | 68871 |
| Jul 16, 2024 | M -- (Common Stock) | 8625 | 13.28 | 70268 |
| Jun 15, 2024 | Sell -- (Common Stock) | 100 | 144.52 | 61643 |
| Jun 15, 2024 | Sell -- (Common Stock) | 400 | 143.65 | 61743 |
| Jun 15, 2024 | Sell -- (Common Stock) | 2675 | 142.68 | 62143 |
| Jun 15, 2024 | Sell -- (Common Stock) | 3836 | 141.62 | 64818 |
| Jun 15, 2024 | Sell -- (Common Stock) | 1614 | 140.42 | 68654 |
| Jun 15, 2024 | M -- (Common Stock) | 8625 | 13.28 | 70268 |
| May 16, 2024 | Sell -- (Common Stock) | 744 | 136.26 | 61643 |
| May 16, 2024 | Sell -- (Common Stock) | 5481 | 135.54 | 62387 |
| May 16, 2024 | Sell -- (Common Stock) | 2100 | 134.69 | 67868 |
| May 16, 2024 | Sell -- (Common Stock) | 300 | 133.42 | 69968 |
| May 16, 2024 | M -- (Common Stock) | 8625 | 13.28 | 70268 |
| May 7, 2024 | Sell -- (Common Stock) | 30000 | 130.07 | 61643 |
| May 7, 2024 | M -- (Common Stock) | 30000 | 13.28 | 91643 |
| May 3, 2024 | Sell -- (Common Stock) | 82 | 122.67 | 61643 |
| May 3, 2024 | Sell -- (Common Stock) | 6222 | 122.16 | 61725 |
| May 3, 2024 | Sell -- (Common Stock) | 6140 | 120.64 | 67947 |
| May 2, 2024 | Sell -- (Common Stock) | 22500 | 120.25 | 74087 |
| May 2, 2024 | Sell -- (Common Stock) | 23500 | 114.17 | 96587 |
| May 2, 2024 | Sell -- (Common Stock) | 6800 | 110 | 120087 |
| May 2, 2024 | Sell -- (Common Stock) | 424 | 107.57 | 126887 |
| May 2, 2024 | Sell -- (Common Stock) | 91 | 106.51 | 127311 |
| May 2, 2024 | Sell -- (Common Stock) | 2685 | 105.56 | 127402 |
| May 2, 2024 | M -- (Common Stock) | 56000 | 13.28 | 130087 |
| Apr 18, 2024 | Sell -- (Common Stock) | 4000 | 95.12 | 74087 |
| Apr 18, 2024 | M -- (Common Stock) | 4000 | 13.28 | 78087 |
| Apr 11, 2024 | Sell -- (Common Stock) | 12000 | 95.09 | 74087 |
| Apr 11, 2024 | M -- (Common Stock) | 12000 | 13.28 | 86087 |
| Feb 24, 2024 | Acquisition -- (Common Stock) | 36755 | 0 | 543446 |
| Dec 2, 2023 | Sell -- (Common Stock) | 100 | 75.28 | 506691 |
| Dec 2, 2023 | Sell -- (Common Stock) | 4475 | 74.61 | 506791 |
| Dec 2, 2023 | Sell -- (Common Stock) | 2925 | 74.06 | 511266 |
| Nov 8, 2023 | Sell -- (Common Stock) | 15000 | 64.32 | 514191 |
| Sep 2, 2023 | Sell -- (Common Stock) | 1082 | 68.95 | 529191 |
| Sep 2, 2023 | Sell -- (Common Stock) | 4310 | 68.55 | 530273 |
| Sep 2, 2023 | Sell -- (Common Stock) | 2045 | 67.35 | 534583 |
| Sep 2, 2023 | Sell -- (Common Stock) | 63 | 65.63 | 536628 |
| Aug 2, 2023 | Sell -- (Common Stock) | 2183 | 93.77 | 536691 |
| Aug 2, 2023 | Sell -- (Common Stock) | 4590 | 92.9 | 538874 |
| Aug 2, 2023 | Sell -- (Common Stock) | 727 | 91.91 | 543464 |
| Jul 4, 2023 | Sell -- (Common Stock) | 590 | 83.49 | 544191 |
| Jul 4, 2023 | Sell -- (Common Stock) | 4653 | 82.74 | 544781 |
| Jul 4, 2023 | Sell -- (Common Stock) | 2257 | 81.77 | 549434 |
| Jun 2, 2023 | Sell -- (Common Stock) | 1954 | 72.21 | 551691 |
| Jun 2, 2023 | Sell -- (Common Stock) | 5546 | 71.44 | 553645 |
| May 2, 2023 | Sell -- (Common Stock) | 335 | 80.12 | 559191 |
| May 2, 2023 | Sell -- (Common Stock) | 1759 | 78.65 | 559526 |
| May 2, 2023 | Sell -- (Common Stock) | 5406 | 77.84 | 561285 |
| Apr 4, 2023 | Sell -- (Common Stock) | 564 | 75.73 | 566691 |
| Apr 4, 2023 | Sell -- (Common Stock) | 3577 | 75.14 | 567255 |
| Apr 4, 2023 | Sell -- (Common Stock) | 3359 | 74.34 | 570832 |
| Mar 11, 2023 | M -- (Common Stock) | 193074 | 2.21 | 574191 |
| Mar 2, 2023 | Sell -- (Common Stock) | 4900 | 81.01 | 381117 |
| Mar 2, 2023 | Sell -- (Common Stock) | 2600 | 80.17 | 386017 |
| Feb 24, 2023 | Sell -- (Common Stock) | 20000 | 75.15 | 388617 |
| Feb 24, 2023 | Sell -- (Common Stock) | 3243 | 74.52 | 408617 |
| Feb 24, 2023 | Sell -- (Common Stock) | 3577 | 73.43 | 411860 |
| Feb 24, 2023 | Sell -- (Common Stock) | 4807 | 71.32 | 415437 |
| Feb 24, 2023 | Sell -- (Common Stock) | 6200 | 70.31 | 420244 |
| Feb 21, 2023 | Acquisition -- (Common Stock) | 37332 | 0 | 426444 |
| Feb 15, 2023 | Sell -- (Common Stock) | 2173 | 70.08 | 389112 |
| Feb 2, 2023 | Sell -- (Common Stock) | 7500 | 64.21 | 391285 |
| Jan 24, 2023 | Sell -- (Common Stock) | 900 | 66.12 | 398785 |
| Jan 24, 2023 | Sell -- (Common Stock) | 11462 | 65.36 | 399685 |
| Jan 21, 2023 | Sell -- (Common Stock) | 6332 | 65.19 | 411147 |
| Jan 19, 2023 | Sell -- (Common Stock) | 1306 | 65.09 | 417479 |
| Jan 18, 2023 | Sell -- (Common Stock) | 7500 | 64.14 | 418785 |
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