SEC Insider Transactions from Bickerstaff George.

Last updated: 2026-03-16 13:01 UTC | Total transactions: 22

Bickerstaff George has filed 22 insider transactions across 1 company since January 2023.

Most recent transaction: a option exercise of 29136 shares of CareDx, Inc. ($CDNA) on September 11, 2025.

Activity breakdown: 0 open-market purchases and 1 sale.

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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
Sept. 11, 2025 CareDx, Inc. $CDNA Bickerstaff George Not found M Common Stock 29136 $7.96 144,266.0000 56,620,590 25.31% 0.05%
Sept. 11, 2025 CareDx, Inc. $CDNA Bickerstaff George Not found M Stock Option (right to buy) 29136 $0.00 0.0000 56,620,590 100.00% 0.05%
June 13, 2025 CareDx, Inc. $CDNA Bickerstaff George Not found A Common Stock 12103 $0.00 115,130.0000 56,620,590 11.75% 0.02%
March 10, 2025 CareDx, Inc. $CDNA Bickerstaff George Not found S Common Stock 20000 $18.36 103,027.0000 56,620,590 16.26% 0.04%
Nov. 1, 2024 CareDx, Inc. $CDNA Bickerstaff George Not found M Stock Option (right to buy) 5255 $0.00 0.0000 52,903,338 100.00% 0.01%
Nov. 1, 2024 CareDx, Inc. $CDNA Bickerstaff George Not found M Common Stock 5255 $5.85 120,801.0000 52,903,338 4.55% 0.01%
Nov. 1, 2024 CareDx, Inc. $CDNA Bickerstaff George Not found M Stock Option (right to buy) 2226 $0.00 0.0000 52,903,338 100.00% 0.00%
Nov. 1, 2024 CareDx, Inc. $CDNA Bickerstaff George Not found M Common Stock 2226 $5.49 123,027.0000 52,903,338 1.84% 0.00%
June 14, 2024 CareDx, Inc. $CDNA Bickerstaff George Not found A Stock Option (right to buy) 16048 $0.00 16,048.0000 53,764,705 9999.99% 0.03%
June 14, 2024 CareDx, Inc. $CDNA Bickerstaff George Not found A Stock Option (right to buy) 16048 $0.00 16,048.0000 53,764,705 9999.99% 0.03%
June 14, 2024 CareDx, Inc. $CDNA Bickerstaff George Not found A Common Stock 10570 $0.00 115,546.0000 53,764,705 10.07% 0.02%
May 14, 2024 CareDx, Inc. $CDNA Bickerstaff George Not found M Stock Option (right to buy) 5255 $0.00 0.0000 53,764,705 100.00% 0.01%
May 14, 2024 CareDx, Inc. $CDNA Bickerstaff George Not found M Common Stock 5255 $10.00 104,976.0000 53,764,705 5.27% 0.01%
Aug. 11, 2023 CareDx, Inc. $CDNA Bickerstaff George Director M Common Stock 4453 $5.49 99,721.0000 53,321,625 4.67% 0.01%
Aug. 11, 2023 CareDx, Inc. $CDNA Bickerstaff George Director M Stock Option (right to buy) 5255 $0.00 0.0000 53,321,625 100.00% 0.01%
Aug. 11, 2023 CareDx, Inc. $CDNA Bickerstaff George Director M Stock Option (right to buy) 9745 $0.00 0.0000 53,321,625 100.00% 0.02%
Aug. 11, 2023 CareDx, Inc. $CDNA Bickerstaff George Director M Common Stock 5255 $5.02 85,523.0000 53,321,625 6.55% 0.01%
Aug. 11, 2023 CareDx, Inc. $CDNA Bickerstaff George Director M Option to Purchase Common Stock 4453 $0.00 2,226.0000 53,321,625 66.67% 0.01%
Aug. 11, 2023 CareDx, Inc. $CDNA Bickerstaff George Director M Common Stock 9745 $4.95 95,268.0000 53,321,625 11.39% 0.02%
June 16, 2023 CareDx, Inc. $CDNA Bickerstaff George Director A Common Stock 29136 $0.00 29,136.0000 53,321,625 9999.99% 0.05%
June 16, 2023 CareDx, Inc. $CDNA Bickerstaff George Director A Common Stock 18844 $0.00 80,268.0000 53,321,625 30.68% 0.04%
Jan. 6, 2023 CareDx, Inc. $CDNA Bickerstaff George Director A Common Stock 1323 $0.00 61,424.0000 53,321,625 2.20% 0.00%