Insiders who reported open-market trades in the last 12 months at the companies Margaret A. Horn 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.
Mark A. Goldsmith - $56.99M in RVMD purchases and sales in the last 12 months
Margaret A. Horn is a corporate insider, tracked as Chief Operating Officer of Revolution Medicines, Inc. (RVMD). InsiderAlpha holds 12 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 Margaret A. Horn submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Margaret A. Horn been buying or selling stock?
Recorded transactions: 0 open-market purchases and 21 open-market sales ($28.88M) across all tracked filings.
Margaret A. Horn is Chief Operating Officer of Revolution Medicines, Inc. (RVMD). 12 SEC Form 4 filings on record going back to 2024, most recently on 18 September 2026. Most recent open-market trade: sold $975K of RVMD on 18 September 2026. Lifetime open-market sales: $28.88M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Margaret A. Horn.
InsiderAlpha's records for Margaret A. Horn go back to 2024: 12 primary Form 4 filings, an average of 4.0 per year. 41 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
