Summary
Updated Aug 31, 2026
Johanna Mercier is Chief Comm & Corp Aff Officer of GILEAD SCIENCES, INC. (GILD). 23 SEC Form 4 filings on record going back to 2024, most recently on 18 August 2026. Most recent open-market trade: sold $1.58M of GILD on 18 August 2026. Lifetime open-market sales: $22.54M.
Recent Transactions
20Every recent SEC Form 4 transaction Johanna Mercier has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Johanna Mercier go back to 2024: 23 primary Form 4 filings, an average of 7.7 per year. 31 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Johanna Mercier 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.
- Daniel Patrick O'Day - $47.86M of GILD open-market activity in the last 12 months
- Deborah H. Telman - $6.59M of GILD open-market activity in the last 12 months
- Andrew D. Dickinson - $4.53M of GILD open-market activity in the last 12 months
- Anthony Welters - $2.68M of GILD open-market activity in the last 12 months
- Jeffrey Bluestone - $1.35M of GILD open-market activity in the last 12 months
- Kelly A. Kramer - $713K of GILD 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 Johanna Mercier?
Johanna Mercier is a corporate insider, tracked as Chief Comm & Corp Aff Officer of GILEAD SCIENCES, INC. (GILD). InsiderAlpha holds 23 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Johanna Mercier submitted recently?
4 primary Form 4 filings in the last 90 days, covering 1 company.
Has Johanna Mercier been buying or selling stock?
Recorded transactions: 0 open-market purchases and 29 open-market sales ($22.54M) across all tracked filings.
Where can I see all of Johanna Mercier'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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