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Williams David Michael

Insider CIK 1820958 · MRK EVP,Chief Info&Digital Officer

Track record PRO

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Track record
See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.
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Trades across companies

TickerCodeTradeFiledSharesPriceValueOwned after
MRK Merck & Co., Inc. M Exercise deriv2026-08-052026-08-0734,705— $00SEC↗
MRK Merck & Co., Inc. M Exercise deriv2026-08-052026-08-074,600— $00SEC↗
MRK Merck & Co., Inc. M Exercise deriv2026-08-052026-08-0713,542— $00SEC↗
MRK Merck & Co., Inc. S Sale2026-08-052026-08-0713,542$128.77 $1.74M31,716SEC↗
MRK Merck & Co., Inc. M Exercise2026-08-052026-08-074,600$77.62 $357.1K36,316SEC↗
MRK Merck & Co., Inc. S Sale2026-08-052026-08-074,600$128.77 $592.3K31,716SEC↗
MRK Merck & Co., Inc. M Exercise2026-08-052026-08-0713,542$75.36 $1.02M45,258SEC↗
MRK Merck & Co., Inc. S Sale2026-08-052026-08-0734,705$128.77 $4.47M31,716SEC↗
MRK Merck & Co., Inc. M Exercise2026-08-052026-08-0734,705$73.73 $2.56M66,421SEC↗
MRK Merck & Co., Inc. M Exercise deriv2026-08-052026-08-0734,705— $00SEC↗
MRK Merck & Co., Inc. M Exercise deriv2026-08-052026-08-0713,542— $00SEC↗
MRK Merck & Co., Inc. M Exercise deriv2026-08-052026-08-074,600— $00SEC↗
MRK Merck & Co., Inc. S Sale2026-08-052026-08-0734,705$128.77 $4.47M31,716SEC↗
MRK Merck & Co., Inc. M Exercise2026-08-052026-08-0734,705$73.73 $2.56M66,421SEC↗
MRK Merck & Co., Inc. S Sale2026-08-052026-08-0713,542$128.77 $1.74M31,716SEC↗
MRK Merck & Co., Inc. M Exercise2026-08-052026-08-0713,542$75.36 $1.02M45,258SEC↗
MRK Merck & Co., Inc. S Sale2026-08-052026-08-074,600$128.77 $592.3K31,716SEC↗
MRK Merck & Co., Inc. M Exercise2026-08-052026-08-074,600$77.62 $357.1K36,316SEC↗
MRK Merck & Co., Inc. A Award deriv2026-05-052026-05-074,640— $04,640SEC↗
MRK Merck & Co., Inc. A Award deriv2026-05-052026-05-0713,582— $013,582SEC↗
MRK Merck & Co., Inc. M Exercise deriv2026-04-292026-05-011,377— $02,755SEC↗
MRK Merck & Co., Inc. M Exercise2026-04-292026-05-011,377$110.03 $151.5K32,395SEC↗
MRK Merck & Co., Inc. F Tax w/h2026-04-292026-05-01679$110.03 $74.7K31,716SEC↗
MRK Merck & Co., Inc. M Exercise deriv2026-02-062026-02-065,000— $04,600SEC↗
MRK Merck & Co., Inc. S Sale2026-02-062026-02-065,000$121.91 $609.5K30,838SEC↗
MRK Merck & Co., Inc. M Exercise2026-02-062026-02-065,000$77.62 $388.1K35,838SEC↗
MRK Merck & Co., Inc. A Award2026-01-262026-01-286,112$107.40 $656.4K30,838SEC↗
MRK Merck & Co., Inc. S Sale2025-11-032025-11-048,614$83.59 $720.0K24,578SEC↗
MRK Merck & Co., Inc. M Exercise deriv2025-08-042025-08-0517,119— $00SEC↗
MRK Merck & Co., Inc. F Tax w/h2025-08-042025-08-058,432$79.29 $668.6K33,013SEC↗
MRK Merck & Co., Inc. M Exercise2025-08-042025-08-0517,119$79.29 $1.36M41,445SEC↗
MRK Merck & Co., Inc. A Award deriv2025-04-292025-05-014,132— $04,132SEC↗
MRK Merck & Co., Inc. A Award deriv2025-04-292025-05-0118,807— $018,807SEC↗
MRK Merck & Co., Inc. S Sale2025-02-132025-02-136,000$85.34 $512.0K24,123SEC↗
MRK Merck & Co., Inc. A Award2025-01-272025-01-2910,246$97.94 $1.00M30,123SEC↗
MRK Merck & Co., Inc. A Award deriv2024-04-302024-05-0216,406— $016,406SEC↗
MRK Merck & Co., Inc. S Sale2024-02-072024-02-081,451$127.57 $185.1K19,812SEC↗
MRK Merck & Co., Inc. A Award2024-01-222024-01-2410,196$119.43 $1.22M21,263SEC↗
MRK Merck & Co., Inc. M Exercise deriv2023-05-022023-05-036,035— $00SEC↗
MRK Merck & Co., Inc. A Award deriv2023-05-022023-05-0419,364— $019,364SEC↗
MRK Merck & Co., Inc. M Exercise2023-05-022023-05-036,035$56.04 $338.2K18,568SEC↗
MRK Merck & Co., Inc. S Sale2023-05-022023-05-037,509$116.82 $877.2K11,059SEC↗
MRK Merck & Co., Inc. M Exercise deriv2023-05-012023-05-03577— $00SEC↗
MRK Merck & Co., Inc. M Exercise2023-05-012023-05-03577$115.47 $66.6K12,731SEC↗
MRK Merck & Co., Inc. F Tax w/h2023-05-012023-05-03198$115.47 $22.9K12,533SEC↗
MRK Merck & Co., Inc. M Exercise deriv2023-02-102023-02-131,205— $00SEC↗
MRK Merck & Co., Inc. F Tax w/h2023-02-102023-02-13413$106.72 $44.1K12,092SEC↗
MRK Merck & Co., Inc. M Exercise2023-02-102023-02-131,205$106.72 $128.6K12,505SEC↗
MRK Merck & Co., Inc. A Award2023-01-232023-01-251,745$109.88 $191.7K11,008SEC↗
MRK Merck & Co., Inc. A Award deriv2022-08-032022-08-0417,119— $017,119SEC↗
MRK Merck & Co., Inc. M Exercise deriv2022-05-032022-05-04427— $00SEC↗
MRK Merck & Co., Inc. A Award deriv2022-05-032022-05-0521,359— $021,359SEC↗
MRK Merck & Co., Inc. M Exercise2022-05-032022-05-04427$87.65 $37.4K9,410SEC↗
MRK Merck & Co., Inc. F Tax w/h2022-05-032022-05-04147$87.65 $12.9K9,263SEC↗
MRK Merck & Co., Inc. M Exercise deriv2022-05-012022-05-03577— $0577SEC↗
MRK Merck & Co., Inc. F Tax w/h2022-05-012022-05-03198$88.69 $17.6K8,983SEC↗
MRK Merck & Co., Inc. M Exercise2022-05-012022-05-03577$88.69 $51.2K9,181SEC↗
MRK Merck & Co., Inc. A Award2022-02-242022-02-281,660$73.51 $122.0K8,604SEC↗
MRK Merck & Co., Inc. M Exercise deriv2022-02-102022-02-141,202— $01,205SEC↗
MRK Merck & Co., Inc. M Exercise2022-02-102022-02-141,202$76.53 $92.0K7,421SEC↗
MRK Merck & Co., Inc. F Tax w/h2022-02-102022-02-14477$76.53 $36.5K6,944SEC↗
MRK Merck & Co., Inc. A Award deriv2021-05-042021-05-0633,673— $033,673SEC↗
MRK Merck & Co., Inc. M Exercise deriv2021-05-042021-05-06417— $00SEC↗
MRK Merck & Co., Inc. F Tax w/h2021-05-042021-05-06143$75.98 $10.9K5,519SEC↗
MRK Merck & Co., Inc. M Exercise2021-05-042021-05-06417$75.98 $31.7K5,662SEC↗
MRK Merck & Co., Inc. M Exercise deriv2021-05-032021-05-04412— $0414SEC↗
MRK Merck & Co., Inc. F Tax w/h2021-05-032021-05-04142$74.50 $10.6K5,245SEC↗
MRK Merck & Co., Inc. M Exercise2021-05-032021-05-04412$74.50 $30.7K5,387SEC↗
MRK Merck & Co., Inc. M Exercise deriv2021-05-012021-05-04560— $01,120SEC↗
MRK Merck & Co., Inc. M Exercise2021-05-012021-05-04560$74.50 $41.7K5,167SEC↗
MRK Merck & Co., Inc. F Tax w/h2021-05-012021-05-04192$74.50 $14.3K4,975SEC↗
MRK Merck & Co., Inc. A Award2021-02-262021-03-022,090$72.62 $151.8K4,583SEC↗
MRK Merck & Co., Inc. M Exercise deriv2021-02-102022-02-111,167— $02,335SEC↗
MRK Merck & Co., Inc. F Tax w/h2021-02-102022-02-11467$75.04 $35.0K3,193SEC↗
MRK Merck & Co., Inc. M Exercise2021-02-102022-02-111,167$75.04 $87.6K3,660SEC↗