Insiders who reported open-market trades in the last 12 months at the companies David Michael Williams files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Jennifer Zachary - $25.20M in MRK purchases and sales in the last 12 months
Richard R. Deluca - $11.29M in MRK purchases and sales in the last 12 months
Chirfi Guindo - $8.15M in MRK purchases and sales in the last 12 months
Robert M. Davis - $5.60M in MRK purchases and sales in the last 12 months
Caroline Litchfield - $5.02M in MRK purchases and sales in the last 12 months
Dean Y. Li - $2.99M in MRK purchases and sales in the last 12 months
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David Michael Williams is a corporate insider, tracked as EVP,Chief Info&Digital Officer of Merck & Co., Inc. (MRK). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has David Michael Williams submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has David Michael Williams been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($8.13M) across all tracked filings.
David Michael Williams is EVP,Chief Info&Digital Officer of Merck & Co., Inc. (MRK). 7 SEC Form 4 filings on record going back to 2025, most recently on 7 August 2026. Most recent open-market trade: sold $4.47M of MRK on 7 August 2026. Lifetime open-market sales: $8.13M.
Recent transactions
14
The latest 14 SEC Form 4 transactions reported by David Michael Williams.
InsiderAlpha's records for David Michael Williams go back to 2025: 7 primary Form 4 filings, an average of 3.5 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
