Sanat Chattopadhyay insider trades
Open-market stock purchases and sales by Sanat Chattopadhyay, Exe V-P & Pres. MMD at Merck & Co, Inc, from SEC Form 4 filings since May 6, 2016.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Apr 29, 2026 | MRK Merck & Co, Inc | Sold (not open market) | $124K |
| Apr 29, 2026 | MRK Merck & Co, Inc | Bought (not open market) | — |
| Mar 31, 2026 | ASH Ashland Inc | Bought (not open market) | $14.3K |
| Jan 26, 2026 | MRK Merck & Co, Inc | Bought (not open market) | $1.5M |
| Jan 20, 2026 | ASH Ashland Inc | Bought (not open market) | $150K |
| Dec 31, 2025 | ASH Ashland Inc | Bought (not open market) | $14.4K |
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