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  • Insider Ownership

Insider Trading & Ownership of Sanat Chattopadhyay

Location
Rahway, NJ
Summary
The estimated net worth of Sanat Chattopadhyay is at least $15,590,529 dollars as of 05 Jan 2026. Sanat Chattopadhyay is the Exe V-P & Pres. MMD of Merck & Co., Inc. and owns shares of Merck & Co., Inc. (MRK) stock worth about $15.18M. Sanat Chattopadhyay is the Director of ASHLAND INC. and owns shares of ASHLAND INC. (ASH) stock worth about $410.3K.
Signature
/s/ Serena S. Kenost, Attorney-in-fact for Sanat Chattopadhyay
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Ownership of Sanat Chattopadhyay

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MRK Merck & Co., Inc. Exe V-P & Pres. MMD $15,180,215 29 Apr 2025
ASH ASHLAND INC. Director $410,314 31 Dec 2025

Insider Transactions Reported by Sanat Chattopadhyay:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.