SEC Insider Transactions from Li Dean Y.

Last updated: 2026-04-02 23:06 UTC | Total transactions: 41

Li Dean Y, Executive VP and President of MRL, sold Merck & Co. ($MRK) shares on the open market twice in the last year, totaling nearly $3 million. The most recent sale occurred on February 10, 2026. These sales rank 2,729th among 11,678 insiders in our database, where the average is $8.6 million across 6.4 transactions per person. Li Dean Y made no open market purchases during this period.

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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
April 1, 2026 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 3268 $0.00 3,224,206.0000 514,895,802 0.10% 0.00%
Feb. 10, 2026 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL S Common Stock 10235 $117.52 92,035.0500 2,514,000,000 10.01% 0.00%
Feb. 4, 2026 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL M Common Stock 15087 $56.04 117,357.0500 2,514,000,000 14.75% 0.00%
Feb. 4, 2026 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL M Stock Option (Right to Buy) 15087 $0.00 0.0000 2,514,000,000 100.00% 0.00%
Feb. 4, 2026 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL S Common Stock 15087 $118.77 102,270.0500 2,514,000,000 12.86% 0.00%
Jan. 26, 2026 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL A Common Stock 20469 $107.40 102,270.0500 2,514,000,000 25.02% 0.00%
Jan. 2, 2026 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 2381 $0.00 3,220,938.0000 514,895,802 0.07% 0.00%
Oct. 1, 2025 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 1961 $0.00 3,218,557.0000 395,072,094 0.06% 0.00%
July 1, 2025 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 1949 $0.00 3,216,596.0000 395,072,094 0.06% 0.00%
June 18, 2025 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 22016 $0.00 3,214,647.0000 395,072,094 0.69% 0.01%
June 18, 2025 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Stock Option (Right to Buy) 44031 $0.00 44,031.0000 395,072,094 9999.99% 0.01%
April 29, 2025 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL A Restricted Stock Unit 14166 $0.00 14,166.0000 2,541,000,000 9999.99% 0.00%
April 29, 2025 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL A Stock Option (Right to Buy) 64481 $0.00 64,481.0000 2,541,000,000 9999.99% 0.00%
April 1, 2025 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 2268 $0.00 3,192,462.0000 395,072,094 0.07% 0.00%
Jan. 27, 2025 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL A Common Stock 32621 $97.94 79,592.1500 2,541,000,000 69.45% 0.00%
Jan. 2, 2025 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 1647 $0.00 3,190,194.0000 0 0.05% 0.00%
Oct. 1, 2024 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 1925 $0.00 3,188,547.0000 0 0.06% 0.00%
July 1, 2024 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 1592 $0.00 3,186,622.0000 0 0.05% 0.00%
June 3, 2024 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Stock Option (Right to Buy) 26193 $0.00 26,193.0000 0 9999.99% 0.00%
June 3, 2024 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 13097 $0.00 3,185,030.0000 0 0.41% 0.00%
April 30, 2024 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL A Stock Option (Right to Buy) 65625 $0.00 65,625.0000 2,547,000,000 9999.99% 0.00%
April 1, 2024 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 1267 $0.00 3,171,933.0000 0 0.04% 0.00%
Feb. 9, 2024 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL M Common Stock 14702 $62.07 60,944.3700 2,547,000,000 31.79% 0.00%
Feb. 9, 2024 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL M Stock Option (Right to Buy) 14702 $0.00 0.0000 2,547,000,000 100.00% 0.00%
Feb. 9, 2024 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL S Common Stock 14702 $125.50 46,242.3700 2,547,000,000 24.12% 0.00%
Jan. 22, 2024 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL A Common Stock 25760 $119.43 46,242.3700 2,547,000,000 125.77% 0.00%
Jan. 9, 2024 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director S Class A Common Stock 962 $14.03 3,170,666.0000 0 0.03% 0.00%
Jan. 9, 2024 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director S Class A Common Stock 28038 $13.65 3,171,628.0000 0 0.88% 0.00%
Jan. 2, 2024 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 1203 $0.00 3,199,666.0000 0 0.04% 0.00%
Oct. 2, 2023 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 1659 $0.00 3,198,463.0000 0 0.05% 0.00%
April 21, 2023 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director G Class A Common Stock 627705 $0.00 3,198,463.0000 0 16.41% 0.00%
July 3, 2023 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 1609 $0.00 3,824,509.0000 0 0.04% 0.00%
June 16, 2023 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Stock Option (Right to Buy) 25224 $0.00 89,292.0000 0 39.37% 0.00%
June 16, 2023 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 12612 $0.00 3,823,069.0000 0 0.33% 0.00%
May 2, 2023 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL A Stock Option (Right to Buy) 77455 $0.00 77,455.0000 2,542,000,000 9999.99% 0.00%
May 1, 2023 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL F Common Stock 524 $115.47 20,471.4320 2,542,000,000 2.50% 0.00%
May 1, 2023 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL M Common Stock 1062 $115.47 20,995.4320 2,542,000,000 5.33% 0.00%
May 1, 2023 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL M Restricted Stock Unit 1062 $0.00 0.0000 2,542,000,000 100.00% 0.00%
April 3, 2023 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 1724 $0.00 3,810,457.0000 0 0.05% 0.00%
Jan. 23, 2023 Merck & Co., Inc. $MRK Li Dean Y Executive VP & President, MRL A Common Stock 3275 $109.88 19,933.4320 2,542,000,000 19.66% 0.00%
Jan. 3, 2023 RECURSION PHARMACEUTICALS, INC. $RXRX Li Dean Y Director A Class A Common Stock 1573 $0.00 3,808,733.0000 0 0.04% 0.00%