Revolution Medicines (RVMD) COO Margaret Horn Sells 4,967 Shares

What Happened

• Margaret A. Horn, Chief Operating Officer of Revolution Medicines (RVMD), sold a total of 4,967 shares in open‑market transactions on September 16, 2026. The sales comprised 76 shares at a weighted average price of $195.01 ($14,821) and 4,891 shares at $199.30 ($974,792), for a combined proceeds of approximately $989,613. This was a sale (not a purchase).

Key Details

• Transaction date: 2026-09-16; Form 4 filed: 2026-09-18 (appears timely).
• Prices and totals: 76 shares @ $195.01 = $14,821; 4,891 shares @ $199.30 = $974,792; total ≈ $989,613.
• Reported holdings note: the filing states holdings "include 56,713 restricted stock units" (per footnote).
• Notable footnotes:
  • F1: The sale was made pursuant to a Rule 10b5‑1 instruction adopted May 31, 2023 to satisfy the reporting person’s tax withholding obligation upon RSU vesting.
  • F2: One trade (the 76‑share line) was executed in multiple fills at prices ranging $195.00–$195.03; the filed price is a weighted average. The filer offered to provide breakdowns on request.
• Filing timeliness: The Form 4 was filed two days after the transaction date, which is within the usual two-business‑day reporting window.

Context

• The filing indicates the trades were executed under a prearranged 10b5‑1 plan to cover tax withholding for vested restricted stock units; such transactions are commonly routine and do not, by themselves, indicate a change in insider sentiment.