SEC Insider Transactions from Foster-Cheek Kaye I.

Last updated: 2026-03-14 11:27 UTC | Total transactions: 31

Foster-Cheek Kaye I has filed 31 insider transactions across 2 companies since January 2023.

Most recent transaction: a disposition of 13510 shares of Prime Medicine, Inc. ($PRME) on August 01, 2025.

Activity breakdown: 0 open-market purchases and 4 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
Aug. 1, 2025 Prime Medicine, Inc. $PRME Foster-Cheek Kaye I Director D Stock Option (right to buy) 13510 $0.00 0.0000 131,160,842 100.00% 0.01%
Aug. 1, 2025 Prime Medicine, Inc. $PRME Foster-Cheek Kaye I Director A Stock Option (right to buy) 13510 $0.00 13,510.0000 131,160,842 9999.99% 0.01%
Aug. 1, 2025 Prime Medicine, Inc. $PRME Foster-Cheek Kaye I Director D Stock Option (right to buy) 9006 $0.00 0.0000 131,160,842 100.00% 0.01%
Aug. 1, 2025 Prime Medicine, Inc. $PRME Foster-Cheek Kaye I Director A Stock Option (right to buy) 9006 $0.00 9,006.0000 131,160,842 9999.99% 0.01%
Aug. 1, 2025 Prime Medicine, Inc. $PRME Foster-Cheek Kaye I Director D Stock Option (right to buy) 39062 $0.00 0.0000 131,160,842 100.00% 0.03%
Aug. 1, 2025 Prime Medicine, Inc. $PRME Foster-Cheek Kaye I Director A Stock Option (right to buy) 39062 $0.00 39,062.0000 131,160,842 9999.99% 0.03%
Aug. 1, 2025 Prime Medicine, Inc. $PRME Foster-Cheek Kaye I Director D Stock Option (right to buy) 45000 $0.00 0.0000 131,160,842 100.00% 0.03%
Aug. 1, 2025 Prime Medicine, Inc. $PRME Foster-Cheek Kaye I Director A Stock Option (right to buy) 45000 $0.00 45,000.0000 131,160,842 9999.99% 0.03%
June 18, 2025 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director A Stock options (right to buy) 15768 $0.00 15,768.0000 74,103,192,000 9999.99% 0.00%
June 20, 2025 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director M Restricted stock units 2120 $0.00 0.0000 74,103,192,000 100.00% 0.00%
June 20, 2025 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director M Common stock 2120 $0.00 9,668.0000 74,103,192,000 28.09% 0.00%
June 18, 2025 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director A Restricted stock units 2816 $0.00 2,816.0000 74,103,192,000 9999.99% 0.00%
June 4, 2025 Prime Medicine, Inc. $PRME Foster-Cheek Kaye I Director A Stock Option (right to buy) 55000 $0.00 55,000.0000 131,160,842 9999.99% 0.04%
June 20, 2024 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director A Stock options (right to buy) 11774 $0.00 11,774.0000 72,967,922,000 9999.99% 0.00%
June 20, 2024 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director A Restricted stock units 2120 $0.00 2,120.0000 72,967,922,000 9999.99% 0.00%
June 13, 2024 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director M Restricted stock units 3388 $0.00 0.0000 72,967,922,000 100.00% 0.00%
June 13, 2024 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director M Common stock 3388 $0.00 11,112.0000 72,967,922,000 43.86% 0.00%
June 13, 2024 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director G Common stock 3564 $0.00 7,548.0000 72,967,922,000 32.07% 0.00%
June 12, 2024 Prime Medicine, Inc. $PRME Foster-Cheek Kaye I Director A Stock Option (right to buy) 45000 $0.00 45,000.0000 0 9999.99% 0.00%
March 7, 2024 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director S Common stock 1285 $31.62 7,724.0000 72,161,489,000 14.26% 0.00%
March 5, 2024 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director S Common stock 300 $32.21 13,424.0000 72,161,489,000 2.19% 0.00%
March 6, 2024 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director S Common stock 4415 $31.99 9,009.0000 72,161,489,000 32.89% 0.00%
Aug. 9, 2023 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director M Common stock 25000 $18.09 38,724.0000 71,256,118 182.16% 0.04%
Aug. 9, 2023 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director S Common stock 25000 $25.96 13,724.0000 71,256,118 64.56% 0.04%
Aug. 9, 2023 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director M Stock options (right to buy) 25000 $0.00 4,307.0000 71,256,118 85.30% 0.04%
June 21, 2023 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director M Common stock 4975 $0.00 13,724.0000 71,256,118 56.86% 0.01%
June 21, 2023 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director M Restricted stock unit 4975 $0.00 0.0000 71,256,118 100.00% 0.01%
June 14, 2023 Prime Medicine, Inc. $PRME Foster-Cheek Kaye I Director A Stock Option (right to buy) 39062 $0.00 39,062.0000 0 9999.99% 0.00%
June 13, 2023 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director A Restricted stock units 3388 $0.00 3,388.0000 71,256,118 9999.99% 0.00%
June 13, 2023 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director A Stock options (right to buy) 18958 $0.00 18,958.0000 71,256,118 9999.99% 0.03%
Jan. 13, 2023 AGIOS PHARMACEUTICALS, INC. $AGIO Foster-Cheek Kaye I Director G Common stock 2200 $0.00 8,749.0000 71,256,118 20.09% 0.00%