German Christopher Paul 4

What Happened Christopher P. German, Corporate Controller & CAO of Rhythm Pharmaceuticals (RYTM), exercised stock options for a total of 4,442 shares on May 15, 2026 at strike prices of $56.69, $49.23 and $17.97 (total cash paid $187,313). On the same day he sold 4,643 shares in an open-market transaction for $92.21 per share, generating $428,131. The filing also reports 4,442 option-related dispositions at $0, which are reported in the Form 4 as derivative dispositions (see Key Details).

Key Details

• Transaction date: 2026-05-15; Form 4 filed 2026-05-19 (appears timely).
• Option exercises (acquired):
  • 1,687 shares @ $56.69 = $95,636
  • 1,349 shares @ $49.23 = $66,411
  • 1,406 shares @ $17.97 = $25,266
  • Aggregate exercised: 4,442 shares; total cash paid ≈ $187,313.
• Open-market sale (disposed): 4,643 shares @ $92.21 = $428,131.
• Reported derivative dispositions at $0 for the same three option lots (1,687; 1,349; 1,406) — typically indicates shares surrendered/withheld in connection with exercise or tax withholding.
• Shares owned after the transactions: Not specified in the provided filing excerpt.
• Relevant footnotes:
  • F1: Includes 201 shares purchased under the company Employee Stock Purchase Plan (ESPP).
  • F2–F4: Grant and vesting schedules for the referenced stock options (grants dated 2/14/2025; 2/16/2024; 4/4/2023 with multi-period vesting).

Context This filing shows an insider exercise of vested options paired with an open-market sale the same day. That pattern can reflect routine option-exercise and partial or full monetization (including share surrender/withholding to cover exercise costs or taxes). These entries are factual reports of transactions and do not, by themselves, indicate the insider’s view of the company’s prospects.