SEC Insider Transactions from Gordon Stephen.

Last updated: 2026-03-14 11:15 UTC | Total transactions: 56

Gordon Stephen has filed 56 insider transactions across 1 company since January 2023.

Most recent transaction: a option exercise of 2060 shares of TransMedics Group, Inc. ($TMDX) on June 03, 2024.

Activity breakdown: 0 open-market purchases and 15 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
June 3, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 2060 $38.46 23,359.0000 32,517,372 9.67% 0.01%
June 3, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 2060 $135.93 21,299.0000 32,517,372 8.82% 0.01%
June 3, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 2060 $0.00 15,417.0000 32,517,372 11.79% 0.01%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 2000 $141.27 21,299.0000 32,517,372 8.58% 0.01%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 2000 $16.14 23,299.0000 32,517,372 9.39% 0.01%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 5000 $38.46 28,299.0000 32,517,372 21.46% 0.02%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 5000 $13.28 33,299.0000 32,517,372 17.67% 0.02%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 1000 $83.14 34,299.0000 32,517,372 3.00% 0.00%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 5000 $66.10 39,299.0000 32,517,372 14.58% 0.02%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 9345 $141.06 29,954.0000 32,517,372 23.78% 0.03%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 8655 $141.80 21,299.0000 32,517,372 28.89% 0.03%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 2000 $0.00 84.0000 32,517,372 95.97% 0.01%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 5000 $0.00 17,477.0000 32,517,372 22.24% 0.02%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 5000 $0.00 23,167.0000 32,517,372 17.75% 0.02%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 1000 $0.00 17,690.0000 32,517,372 5.35% 0.00%
May 29, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 5000 $0.00 15,022.0000 32,517,372 24.97% 0.02%
May 6, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 15000 $38.46 38,299.0000 32,517,372 64.38% 0.05%
May 6, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 15000 $128.00 23,299.0000 32,517,372 39.17% 0.05%
May 6, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 15000 $0.00 22,477.0000 32,517,372 40.02% 0.05%
April 1, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 15000 $38.46 38,299.0000 32,517,372 64.38% 0.05%
April 1, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 15000 $74.01 23,299.0000 32,517,372 39.17% 0.05%
April 1, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 15000 $0.00 37,477.0000 32,517,372 28.58% 0.05%
March 8, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 1903 $87.63 23,299.0000 32,517,372 7.55% 0.01%
March 4, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 15000 $38.46 40,202.0000 32,517,372 59.52% 0.05%
March 4, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 15000 $82.80 25,202.0000 32,517,372 37.31% 0.05%
March 4, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 15000 $0.00 52,477.0000 32,517,372 22.23% 0.05%
Feb. 23, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer A Common Stock 12127 $0.00 25,202.0000 32,517,372 92.75% 0.04%
Feb. 23, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer A Stock Option (Right to Buy) 18690 $0.00 18,690.0000 32,517,372 9999.99% 0.06%
Feb. 1, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 8833 $13.28 21,908.0000 32,517,372 67.56% 0.03%
Feb. 1, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 3644 $16.14 25,552.0000 32,517,372 16.63% 0.01%
Feb. 1, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 2523 $38.46 28,075.0000 32,517,372 9.87% 0.01%
Feb. 1, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 15000 $85.45 13,075.0000 32,517,372 53.43% 0.05%
Feb. 1, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 8833 $0.00 28,167.0000 32,517,372 23.87% 0.03%
Feb. 1, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 3644 $0.00 2,084.0000 32,517,372 63.62% 0.01%
Feb. 1, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 2523 $0.00 67,477.0000 32,517,372 3.60% 0.01%
Jan. 2, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 15000 $13.28 28,075.0000 32,517,372 114.72% 0.05%
Jan. 2, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 15000 $77.07 13,075.0000 32,517,372 53.43% 0.05%
Jan. 2, 2024 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 15000 $0.00 37,000.0000 32,517,372 28.85% 0.05%
Nov. 17, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer G Common Stock 5714 $0.00 13,075.0000 29,556,633 30.41% 0.02%
Oct. 2, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 5000 $16.14 23,789.0000 29,556,633 26.61% 0.02%
Oct. 2, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 5000 $54.22 18,789.0000 29,556,633 21.02% 0.02%
Oct. 2, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 5000 $0.00 5,728.0000 29,556,633 46.61% 0.02%
May 1, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 5000 $16.14 23,789.0000 29,556,633 26.61% 0.02%
May 1, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 5000 $79.05 18,789.0000 29,556,633 21.02% 0.02%
May 1, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 5000 $0.00 10,728.0000 29,556,633 31.79% 0.02%
March 1, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 5000 $16.14 23,789.0000 29,556,633 26.61% 0.02%
March 1, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 5000 $79.51 18,789.0000 29,556,633 21.02% 0.02%
March 1, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 5000 $0.00 15,728.0000 29,556,633 24.12% 0.02%
Feb. 20, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer A Common Stock 13075 $0.00 18,789.0000 29,556,633 228.82% 0.04%
Feb. 20, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer A Stock Option (Right to Buy) 20022 $0.00 20,022.0000 29,556,633 9999.99% 0.07%
Feb. 1, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 5000 $16.14 10,714.0000 29,556,633 87.50% 0.02%
Feb. 1, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 5000 $62.64 5,714.0000 29,556,633 46.67% 0.02%
Feb. 1, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 5000 $0.00 20,728.0000 29,556,633 19.43% 0.02%
Jan. 17, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Common Stock 5000 $16.14 10,714.0000 29,556,633 87.50% 0.02%
Jan. 17, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer S Common Stock 5000 $60.12 5,714.0000 29,556,633 46.67% 0.02%
Jan. 17, 2023 TransMedics Group, Inc. $TMDX Gordon Stephen Chief Financial Officer M Stock Option (Right to Buy) 5000 $0.00 25,728.0000 29,556,633 16.27% 0.02%