Summary
Updated Aug 31, 2026
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
14Every recent SEC Form 4 transaction David Michael Williams has reported, most recent first.
Trading Pattern
InsiderAlpha's records for David Michael Williams go back to 2025: 7 primary Form 4 filings, an average of 3.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
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 of MRK open-market activity in the last 12 months
- Richard R. Deluca - $11.29M of MRK open-market activity in the last 12 months
- Chirfi Guindo - $8.15M of MRK open-market activity in the last 12 months
- Robert M. Davis - $5.60M of MRK open-market activity in the last 12 months
- Caroline Litchfield - $5.02M of MRK open-market activity in the last 12 months
- Dean Y. Li - $2.99M of MRK open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is David Michael Williams?
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.
Where can I see all of David Michael Williams's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Follow David Michael Williams and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial