Cislini Jeff 4

What Happened
Jeff Cislini, General Counsel of Revolution Medicines (RVMD), sold a total of 2,958 shares in two open-market transactions on March 17 and March 19, 2026. He sold 1,795 shares at $99.48 each ($178,567) and 1,163 shares at $97.44 each ($113,323), for a combined proceeds of approximately $291,890. These were sales (disposals), not purchases.

Key Details

• Transaction dates and prices:
  • 2026-03-17: 1,795 shares sold at $99.48 — $178,567 (reported per a 10b5-1 instruction for tax withholding; see F1)
  • 2026-03-19: 1,163 shares sold at $97.44 — $113,323 (executed under a 10b5-1 trading plan adopted 3/13/2025; see F3)
• Shares owned after transaction: Not specified in the provided excerpt; filing notes holdings include 48,125 RSUs (F2).
• Footnotes of note:
  • F1: Sale on 3/17 made pursuant to a Rule 10b5-1 instruction adopted 5/31/2023 to satisfy tax withholding on RSU vesting after 7/15/2023.
  • F3: 3/19 sale made pursuant to a 10b5-1 trading plan adopted 3/13/2025.
  • F2: Reporting person’s holdings include 48,125 restricted stock units (RSUs).
• Timeliness: Form 4 was filed on 2026-03-19 for transactions on 3/17 and 3/19; this filing date is within standard Form 4 reporting timing and not indicated as late.

Context
Both transactions were sales executed under pre-established plans or instructions (10b5-1 / tax-withholding instruction). Such scheduled sales are common for insiders to cover tax obligations or follow a preset trading plan and do not necessarily reflect a change in personal view about the company.