Chirfi Guindo Net Worth
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Chirfi Guindo has an estimated net worth of at least $13.6 million*, as of today. They own 36,613 shares of MRK stock. They have sold 68,087 shares of MRK stock since 2021, for an estimated $8.2 million.
Chirfi Guindo $MRK SEC Form 4 Insider Trading
Chirfi Guindo has filed a total of 5 insider trades in $MRK since 2021. Their most recent trade was a sale of 10,000 shares, made on Aug 13, 2026. Their largest trade was a sale of 20,000 shares, made on Feb 05, 2026. We estimate that they now own 36,613 shares of $MRK, worth an estimated $5.4 million.
Insider Trading at $MRK
There have been a total of 125 insider trades reported at $MRK since 2021, with 18,241 shares purchased and 5.7 million shares sold. The most active insider traders in $MRK stock have been Kenneth C Frazier, Richard R. Deluca, and Steven Mizell. The most recent trade was a sale of 10,000 shares reported by Chirfi Guindo (EVP, Access, Policy & Comms), made on Aug 13, 2026.
History of Insider Stock Trades by Chirfi Guindo
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
MRK
|
Sale | 10,000 | Aug 13, 2026 | Aug. 13, 2026, 5:02 p.m. |
MRK
|
Sale | 15,000 | Aug 06, 2026 | Aug. 7, 2026, 4:17 p.m. |
MRK
|
Sale | 10,000 | Feb 12, 2026 | Feb. 12, 2026, 5:02 p.m. |
MRK
|
Sale | 10,000 | Feb 09, 2026 | Feb. 9, 2026, 5:04 p.m. |
MRK
|
Sale | 20,000 | Feb 05, 2026 | Feb. 6, 2026, 5:10 p.m. |
BIIB
|
Sale | 3,087 | Jun 07, 2021 | June 8, 2021, 8 p.m. |
$MRK Executives and Stock Owners with Insider Trades
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Kenneth C Frazier, Executive Chair
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Richard R. Deluca, EVP&Pres, Merck Animal Heallth
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Steven Mizell, EVP, Chief HR Officer
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Joseph Romanelli, President, Human Health Int?l
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Sanat Chattopadhyay, Exe V-P & Pres. MMD
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Jennifer Zachary, EVP, General Counsel
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David Michael Williams, EVP,Chief Info&Digital Officer
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Robert M Davis, Chairman, CEO & President
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Johannes Jacobus Oosthuizen, President, U.S. Market
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Chirfi Guindo, Chief Marketing Officer
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David R. Maraldo, EVP & Pres. MMD
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Rita A Karachun, Sr. VP Fince-Global Controller
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Robert M Davis, CEO & President
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Caroline Litchfield, EVP & CFO
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Dean Y Li, Executive VP & President, MRL
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Dalton E. Iii Smart, SVP Fin. - Global Controller
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Cristal N Downing, Chief Comm. & Public Afrs Ofcr
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Chirfi Guindo, EVP, Access, Policy & Comms
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Frank Clyburn, EVP & Pres ? Human Health
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Julie L. Gerberding, EVP, Chief Patient Officer
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.