SEC Insider Transactions from Riggsbee Richard Bryan.

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

Riggsbee Richard Bryan has filed 22 insider transactions across 3 companies since January 2023.

Most recent transaction: a grant/award of 178855 shares of NEOGEN CORP ($NEOG) on November 03, 2025.

Activity breakdown: 0 open-market purchases and 5 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. 3, 2025 NEOGEN CORP $NEOG Riggsbee Richard Bryan CFO A Common Stock 178855 $6.29 178,855.0000 217,298,626 9999.99% 0.08%
Nov. 3, 2025 NEOGEN CORP $NEOG Riggsbee Richard Bryan CFO A Common Stock (Right to Buy) 459713 $0.00 459,713.0000 217,298,626 9999.99% 0.21%
June 13, 2025 CareDx, Inc. $CDNA Riggsbee Richard Bryan Not found A Common Stock 12103 $0.00 29,517.0000 56,620,590 69.50% 0.02%
June 14, 2024 CareDx, Inc. $CDNA Riggsbee Richard Bryan Not found A Stock Option (right to buy) 16048 $0.00 16,048.0000 53,764,705 9999.99% 0.03%
June 13, 2024 CareDx, Inc. $CDNA Riggsbee Richard Bryan Not found A Stock Option (right to buy) 9760 $0.00 9,760.0000 53,764,705 9999.99% 0.02%
June 14, 2024 CareDx, Inc. $CDNA Riggsbee Richard Bryan Director A Stock Option (right to buy) 16048 $0.00 16,048.0000 53,764,705 9999.99% 0.03%
June 13, 2024 CareDx, Inc. $CDNA Riggsbee Richard Bryan Director A Common Stock 6844 $0.00 6,844.0000 53,764,705 9999.99% 0.01%
June 14, 2024 CareDx, Inc. $CDNA Riggsbee Richard Bryan Director A Common Stock 10570 $0.00 17,414.0000 53,764,705 154.44% 0.02%
June 13, 2024 CareDx, Inc. $CDNA Riggsbee Richard Bryan Director A Stock Option (right to buy) 9760 $0.00 9,760.0000 53,764,705 9999.99% 0.02%
Dec. 1, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer S Common Stock 30000 $19.09 291,812.0000 0 9.32% 0.00%
Nov. 1, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer S Common Stock 30000 $15.69 321,812.0000 0 8.53% 0.00%
Oct. 9, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer F Common Stock 7382 $15.01 351,812.0000 0 2.06% 0.00%
Oct. 9, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer F Common Stock 4954 $15.01 359,194.0000 0 1.36% 0.00%
Sept. 26, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer F Common Stock 4517 $15.99 364,148.0000 0 1.23% 0.00%
March 24, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer F Common Stock 3622 $23.72 373,972.0000 0 0.96% 0.00%
March 24, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer F Common Stock 5307 $23.72 368,665.0000 0 1.42% 0.00%
March 22, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer F Common Stock 4074 $22.91 377,594.0000 0 1.07% 0.00%
March 15, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer A Common Stock 43783 $0.00 381,668.0000 0 12.96% 0.00%
March 2, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer S Common Stock 15000 $22.55 337,885.0000 0 4.25% 0.00%
Feb. 18, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer F Common Stock 11222 $19.42 352,885.0000 0 3.08% 0.00%
Jan. 20, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer S Common Stock 9400 $20.04 364,107.0000 0 2.52% 0.00%
Jan. 18, 2023 MYRIAD GENETICS INC $MYGN Riggsbee Richard Bryan Chief Financial Officer S Common Stock 600 $20.01 373,507.0000 0 0.16% 0.00%