Updated: May 19, 2026

Chirfi Guindo

MRKMerck & Co., Inc.SEC CIK: 0001722753
Estimated Net Worth
$6.51 Million0.0%vs Last Year
Last Updated: May 19, 2026 11:45 PM EST

Transaction Summary

Total Transactions34
Buy-Sell Ratio1.14
Buy Transactions16
Sell Transactions14

Transaction Volume

Total Volume$17.36M
Net Volume-$9.39M
Buy Volume$3.98M
Sell Volume$13.37M

Trade Analysis

AVG Trade Size$510.49K
Largest Trade$2.76M
Most Active MonthFeb
Most Active Year2026

Trading Sentiment

OverallBearish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Chirfi Guindo has an estimated net worth of $6.51 Million. This is based on reported shares across multiple companies, which include BIOGEN INC., Merck & Co., Inc., and Beam Therapeutics Inc..



2022 was Chirfi Guindo's most active year for acquiring shares with 6 total transactions. Chirfi Guindo's most active month to acquire stocks was the month of January. 2022 was Chirfi Guindo's most active year for disposing of shares, totalling 10 transactions. Chirfi Guindo's most active month to dispose stocks was the month of January. 2024 saw Chirfi Guindo paying a total of $4,250,995.20 for 105,284 shares, this is the most they've acquired in one year. In 2026 Chirfi Guindo cashed out on 42,936 shares for a total of $4,942,958.07, their largest year based on trade value.

Holdings & Transactions

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