Horn Margaret A sold $990K of RVMD
Horn Margaret A (Chief Operating Officer) sold 4,967 shares of Revolution Medicines, Inc. (RVMD) at an average of $199.24 ($195.01–$199.30, $0.99M total) across 2 trades on 2026-09-16 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The transaction provides fresh data on insider holdings and may influence short‑term sentiment.
Market read
Primary insider sale; modest materiality for a micro‑cap biotech, limited trading relevance.
What to watch
RVMD's recent clinical trial updates or upcoming data releases could offset sell‑off pressure.
Background
Form 4 filings disclose insider transactions; a C‑suite sale of $990K is a primary source disclosure.
Ticker impact
COO Horn Margaret A sold ~ $990K of RVMD shares via a 10b5‑1 plan, reducing her holdings to 149,680 shares.
Potential short‑term pressure on RVMD stock, limited to a few percent if market reacts.
C‑suite insider sale of nearly $1M is material for a micro‑cap biotech; however, pre‑arranged plan reduces informational value.
Market effects
May raise caution among biotech investors monitoring insider activity.
Limited to US biotech sector, no broader regional effect.
Minimal global impact; only relevant to RVMD shareholders.
Counterpoint
The sale could be purely liquidity‑driven under a 10b5‑1 plan, not a negative signal.
Key entities
- CompanyRevolution Medicines, Inc.
Biotech firm developing therapies for rare diseases.
- IndividualHorn Margaret A
Chief Operating Officer of Revolution Medicines.


