Summary
Updated Aug 31, 2026
Jennifer Zachary is EVP, General Counsel of Merck & Co., Inc. (MRK). 6 SEC Form 4 filings on record, most recently on 13 August 2026. Most recent open-market trade: sold $10.72M of MRK on 13 August 2026. Lifetime open-market sales: $25.20M.
Recent Transactions
13Every recent SEC Form 4 transaction Jennifer Zachary has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jennifer Zachary go back to 2026: 6 primary Form 4 filings, an average of 6.0 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 Jennifer Zachary 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.
- 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
- David Michael Williams - $8.13M 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 Jennifer Zachary?
Jennifer Zachary is a corporate insider, tracked as EVP, General Counsel of Merck & Co., Inc. (MRK). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Jennifer Zachary submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Jennifer Zachary been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($25.20M) across all tracked filings.
Where can I see all of Jennifer Zachary'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.
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