Insider filing · MRK
David Michael Williams
EVP,Chief Info&Digital Officer
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Merck & Co., Inc.
MRK · Healthcare · 67 filings in 24 months
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David Michael Williams sold $720K of Merck & (MRK)
Executed Nov 3 2025, disclosed Nov 4 2025, 1 day later.
Value, as filed
$720K
8,614 sh × $83.59
Executed
Nov 3 2025
the trade date, as filed
Disclosed
Nov 4 2025
1 day after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
DWDavid Michael Williams (EVP,Chief Info&Digital Officer) filed 3 Form 4 reports in the trailing twelve months (0 purchases, 3 sales), most often in Merck & Co., Inc. (MRK). The largest single filing was $6.8M of MRK (52,847 sh across 3 lots, as filed), executed Aug 5.
The name
MRKHealthcare · Merck & Co., Inc. operates as a healthcare company worldwide
More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→Other filings by David Michael Williams in MRK
MRKSALE
Merck & Co., Inc.
$6.8M52,847 sh across 3 lots
Exec Aug 5
Filed Aug 7 · 4:19 PM ET MRKSALE Merck & Co., Inc. $610K
5,000 sh × $121.91
Exec Feb 6
Filed Feb 6 · 5:30 PM ET MRKSALE Merck & Co., Inc. $512K
6,000 sh × $85.34
Exec Feb 13 2025
Filed Feb 13 2025 · 5:30 PM ET