German Christopher Paul 4
4 · RHYTHM PHARMACEUTICALS, INC. · Filed Mar 6, 2026
Research Summary
AI-generated summary of this filing
RHYTHM (RYTM) Controller Christopher German Sells Shares, Exercises Options
What Happened
- Christopher German, Corporate Controller & CAO of Rhythm Pharmaceuticals (RYTM), reported transactions on March 4, 2026. He exercised/converted derivative awards related to a total of 3,000 shares (two entries of 1,500 shares each) and sold 5,614 shares in an open-market transaction.
- Details reported: exercised 1,500 shares at $17.97 per share (cost $26,955) and a separate exercise/conversion of 1,500 shares with $0 cash reported for that entry; sold 5,614 shares at $89.56 per share for total proceeds of $502,790.
Key Details
- Transaction date: 2026-03-04.
- Exercise/Conversion (code M): 1,500 shares at $17.97 (acquired, $26,955); 1,500 shares reported as exercised/converted with $0 proceeds on the filing.
- Sale (code S): 5,614 shares sold on the open market at $89.56 each, proceeds $502,790.
- Shares owned after transaction: not specified in the provided filing excerpt.
- Footnotes: F1 notes 21 shares purchased under the company ESPP; F2 describes the related stock option grant (granted Apr 4, 2023) and vesting schedule (25% on Mar 20, 2024, then 6.25% quarterly through Mar 20, 2027).
- Filing timeliness: filing shows report for period ending 2026-03-04 and was filed on 2026-03-06; no late-filing flag indicated in the provided data.
Context
- The filing records both option exercises/conversions (derivative activity) and an open-market sale the same day. The report does not explicitly state whether the sale was part of a cashless exercise, tax-withholding, or an unrelated disposition.
- For retail investors: purchases (ESPP or option exercises funded by the insider) can be a stronger bullish signal than routine sales; in this case the most notable cash activity was the sizable open-market sale (~$502.8K).
Insider Transaction Report
Form 4
German Christopher Paul
Corporate Controller & CAO
Transactions
- Exercise/Conversion
Common Stock
2026-03-04$17.97/sh+1,500$26,955→ 5,753 total - Sale
Common Stock
[F1]2026-03-04$89.56/sh−5,614$502,790→ 160 total - Exercise/Conversion
Stock Options (Right to Buy)
[F2]2026-03-04−1,500→ 3,731 totalExercise: $17.97Exp: 2033-04-03→ Common Stock (1,500 underlying)
Footnotes (2)
- [F1]Includes 21 shares of Common Stock purchased pursuant to the Rhythm Pharmaceuticals, Inc. Employee Stock Purchase Plan.
- [F2]The stock options were granted on April 4, 2023. The options vest and become exercisable as to 25% of the total shares on March 20, 2024 and, thereafter, as to the remaining 75% of the total shares in twelve equal quarterly installments of 6.25% beginning June 20, 2024 and ending March 20, 2027, subject to the Reporting Person's continued service on each such vesting date.
Signature
/s/ Stephen Vander Stoep, attorney-in-fact for Christopher Paul German|2026-03-06