SEC Insider Transactions from Hassanein Waleed H.

Last updated: 2026-03-14 11:15 UTC | Total transactions: 117

Hassanein Waleed H, President and CEO of TransMedics Group, Inc. ($TMDX), made four open market purchases totaling nearly $3 million in the last year. His most recent buy occurred on November 17, 2025. These TMDX insider buys rank 246th among nearly 5,000 individuals in our database, surpassing the average purchase amount of $1.5 million across 3.3 transactions. Hassanein reported no open market sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Nov. 17, 2025 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO P Common Stock 8775 $114.00 616,433.0000 40,748,023 1.44% 0.02%
Aug. 7, 2025 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO P Common Stock 6617 $116.08 605,800.0000 35,216,837 1.10% 0.02%
Aug. 7, 2025 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO P Common Stock 1858 $116.85 607,658.0000 35,216,837 0.31% 0.01%
Aug. 6, 2025 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO P Common Stock 8400 $118.68 599,183.0000 35,216,837 1.42% 0.02%
Feb. 25, 2025 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO A Common Stock 59781 $0.00 590,783.0000 35,216,837 11.26% 0.17%
Feb. 25, 2025 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO A Stock Option (Right to Buy) 90185 $0.00 90,185.0000 35,216,837 9999.99% 0.26%
Oct. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 1200 $134.23 531,302.0000 35,683,952 0.23% 0.00%
Oct. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 300 $135.04 531,002.0000 35,683,952 0.06% 0.00%
Oct. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 3518 $132.82 532,502.0000 35,683,952 0.66% 0.01%
Oct. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 8625 $0.00 96,250.0000 35,683,952 8.22% 0.02%
Oct. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 3607 $131.91 536,020.0000 35,683,952 0.67% 0.01%
Oct. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 8625 $13.28 539,627.0000 35,683,952 1.62% 0.02%
Sept. 16, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 908 $151.10 538,719.0000 32,517,372 0.17% 0.00%
Sept. 16, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 1865 $152.30 536,854.0000 32,517,372 0.35% 0.01%
Sept. 16, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 3155 $153.32 533,699.0000 32,517,372 0.59% 0.01%
Sept. 16, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 1383 $154.16 532,316.0000 32,517,372 0.26% 0.00%
Sept. 16, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 688 $155.65 531,628.0000 32,517,372 0.13% 0.00%
Sept. 16, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 626 $156.48 531,002.0000 32,517,372 0.12% 0.00%
Sept. 16, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 8625 $0.00 104,875.0000 32,517,372 7.60% 0.03%
Sept. 16, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 8625 $13.28 539,627.0000 32,517,372 1.62% 0.03%
Aug. 21, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 20000 $171.03 531,002.0000 32,517,372 3.63% 0.06%
Aug. 22, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 25000 $16.14 556,002.0000 32,517,372 4.71% 0.08%
Aug. 22, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 25000 $175.00 531,002.0000 32,517,372 4.50% 0.08%
Aug. 21, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 20000 $0.00 265,714.0000 32,517,372 7.00% 0.06%
Aug. 22, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 25000 $0.00 153,000.0000 32,517,372 14.04% 0.08%
Aug. 21, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 20000 $16.00 551,002.0000 32,517,372 3.77% 0.06%
Aug. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 1376 $169.39 536,751.0000 32,517,372 0.26% 0.00%
Aug. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 8625 $13.28 539,627.0000 32,517,372 1.62% 0.03%
Aug. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 300 $165.26 539,327.0000 32,517,372 0.06% 0.00%
Aug. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 700 $167.24 538,627.0000 32,517,372 0.13% 0.00%
Aug. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 500 $168.17 538,127.0000 32,517,372 0.09% 0.00%
Aug. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 4526 $170.21 532,225.0000 32,517,372 0.84% 0.01%
Aug. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 1018 $171.42 531,207.0000 32,517,372 0.19% 0.00%
Aug. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 205 $171.86 531,002.0000 32,517,372 0.04% 0.00%
Aug. 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 8625 $0.00 113,500.0000 32,517,372 7.06% 0.03%
July 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 1397 $143.61 538,230.0000 32,517,372 0.26% 0.00%
July 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2540 $144.34 535,690.0000 32,517,372 0.47% 0.01%
July 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2046 $145.54 533,644.0000 32,517,372 0.38% 0.01%
July 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2342 $146.39 531,302.0000 32,517,372 0.44% 0.01%
July 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 300 $147.28 531,002.0000 32,517,372 0.06% 0.00%
July 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 8625 $0.00 122,125.0000 32,517,372 6.60% 0.03%
July 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 8625 $13.28 539,627.0000 32,517,372 1.62% 0.03%
June 14, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 1614 $140.42 538,013.0000 32,517,372 0.30% 0.00%
June 14, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 3836 $141.62 534,177.0000 32,517,372 0.71% 0.01%
June 14, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2675 $142.68 531,502.0000 32,517,372 0.50% 0.01%
June 14, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 400 $143.65 531,102.0000 32,517,372 0.08% 0.00%
June 14, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 100 $144.52 531,002.0000 32,517,372 0.02% 0.00%
June 14, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 8625 $0.00 130,750.0000 32,517,372 6.19% 0.03%
June 14, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 8625 $13.28 539,627.0000 32,517,372 1.62% 0.03%
May 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 8625 $13.28 539,627.0000 32,517,372 1.62% 0.03%
May 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2100 $134.69 537,227.0000 32,517,372 0.39% 0.01%
May 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 5481 $135.54 531,746.0000 32,517,372 1.02% 0.02%
May 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 744 $136.26 531,002.0000 32,517,372 0.14% 0.00%
May 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 8625 $0.00 139,375.0000 32,517,372 5.83% 0.03%
May 15, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 300 $133.42 539,327.0000 32,517,372 0.06% 0.00%
May 6, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 30000 $130.07 531,002.0000 32,517,372 5.35% 0.09%
May 6, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 30000 $0.00 148,000.0000 32,517,372 16.85% 0.09%
May 6, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 30000 $13.28 561,002.0000 32,517,372 5.65% 0.09%
May 1, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2685 $105.56 596,761.0000 32,517,372 0.45% 0.01%
May 1, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 56000 $13.28 599,446.0000 32,517,372 10.30% 0.17%
May 1, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 91 $106.51 596,670.0000 32,517,372 0.02% 0.00%
May 1, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 424 $107.57 596,246.0000 32,517,372 0.07% 0.00%
May 1, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 6800 $110.00 589,446.0000 32,517,372 1.14% 0.02%
May 1, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 23500 $114.17 565,946.0000 32,517,372 3.99% 0.07%
May 1, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 22500 $120.25 543,446.0000 32,517,372 3.98% 0.07%
May 2, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 6140 $120.64 537,306.0000 32,517,372 1.13% 0.02%
May 2, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 6222 $122.16 531,084.0000 32,517,372 1.16% 0.02%
May 2, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 82 $122.67 531,002.0000 32,517,372 0.02% 0.00%
May 1, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 56000 $0.00 178,000.0000 32,517,372 23.93% 0.17%
April 17, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 4000 $95.12 543,446.0000 32,517,372 0.73% 0.01%
April 17, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 4000 $13.28 547,446.0000 32,517,372 0.74% 0.01%
April 17, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 4000 $0.00 234,000.0000 32,517,372 1.68% 0.01%
April 10, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 12000 $13.28 555,446.0000 32,517,372 2.21% 0.04%
April 10, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 12000 $95.09 543,446.0000 32,517,372 2.16% 0.04%
April 10, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 12000 $0.00 238,000.0000 32,517,372 4.80% 0.04%
Feb. 23, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO A Stock Option (Right to Buy) 56645 $0.00 56,645.0000 32,517,372 9999.99% 0.17%
Feb. 23, 2024 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO A Common Stock 36755 $0.00 543,446.0000 32,517,372 7.25% 0.11%
Dec. 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2925 $74.06 511,266.0000 29,556,633 0.57% 0.01%
Dec. 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 4475 $74.61 506,791.0000 29,556,633 0.88% 0.02%
Dec. 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 100 $75.28 506,691.0000 29,556,633 0.02% 0.00%
Nov. 7, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 15000 $64.32 514,191.0000 29,556,633 2.83% 0.05%
Sept. 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 63 $65.63 536,628.0000 29,556,633 0.01% 0.00%
Sept. 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2045 $67.35 534,583.0000 29,556,633 0.38% 0.01%
Sept. 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 4310 $68.55 530,273.0000 29,556,633 0.81% 0.01%
Sept. 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 1082 $68.95 529,191.0000 29,556,633 0.20% 0.00%
Aug. 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 727 $91.91 543,464.0000 29,556,633 0.13% 0.00%
Aug. 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 4590 $92.90 538,874.0000 29,556,633 0.84% 0.02%
Aug. 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2183 $93.77 536,691.0000 29,556,633 0.41% 0.01%
July 3, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2257 $81.77 549,434.0000 29,556,633 0.41% 0.01%
July 3, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 4653 $82.74 544,781.0000 29,556,633 0.85% 0.02%
July 3, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 590 $83.49 544,191.0000 29,556,633 0.11% 0.00%
June 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 5546 $71.44 553,645.0000 29,556,633 0.99% 0.02%
June 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 1954 $72.21 551,691.0000 29,556,633 0.35% 0.01%
May 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 5406 $77.84 561,285.0000 29,556,633 0.95% 0.02%
May 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 1759 $78.65 559,526.0000 29,556,633 0.31% 0.01%
May 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 335 $80.12 559,191.0000 29,556,633 0.06% 0.00%
April 3, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 3359 $74.34 570,832.0000 29,556,633 0.58% 0.01%
April 3, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 3577 $75.14 567,255.0000 29,556,633 0.63% 0.01%
April 3, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 564 $75.73 566,691.0000 29,556,633 0.10% 0.00%
March 10, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Common Stock 193074 $2.21 574,191.0000 29,556,633 50.66% 0.65%
March 10, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO M Stock Option (Right to Buy) 193074 $0.00 1.0000 29,556,633 100.00% 0.65%
March 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2600 $80.17 386,017.0000 29,556,633 0.67% 0.01%
March 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 4900 $81.01 381,117.0000 29,556,633 1.27% 0.02%
Feb. 23, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 6200 $70.31 420,244.0000 29,556,633 1.45% 0.02%
Feb. 23, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 4807 $71.32 415,437.0000 29,556,633 1.14% 0.02%
Feb. 23, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 3577 $73.43 411,860.0000 29,556,633 0.86% 0.01%
Feb. 23, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 3243 $74.52 408,617.0000 29,556,633 0.79% 0.01%
Feb. 23, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 20000 $75.15 388,617.0000 29,556,633 4.89% 0.07%
Feb. 20, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO A Common Stock 37332 $0.00 426,444.0000 29,556,633 9.59% 0.13%
Feb. 20, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO A Stock Option (Right to Buy) 57165 $0.00 57,165.0000 29,556,633 9999.99% 0.19%
Feb. 14, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 2173 $70.08 389,112.0000 29,556,633 0.56% 0.01%
Feb. 1, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 7500 $64.21 391,285.0000 29,556,633 1.88% 0.03%
Jan. 23, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 11462 $65.36 399,685.0000 29,556,633 2.79% 0.04%
Jan. 23, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 900 $66.12 398,785.0000 29,556,633 0.23% 0.00%
Jan. 18, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 1306 $65.09 417,479.0000 29,556,633 0.31% 0.00%
Jan. 20, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 6332 $65.19 411,147.0000 29,556,633 1.52% 0.02%
Jan. 17, 2023 TransMedics Group, Inc. $TMDX Hassanein Waleed H President & CEO S Common Stock 7500 $64.14 418,785.0000 29,556,633 1.76% 0.03%