RHYTHM PHARMACEUTICALS, INC.·4

Mar 6, 4:51 PM ET

German Christopher Paul 4

4 · RHYTHM PHARMACEUTICALS, INC. · Filed Mar 6, 2026

Research Summary

AI-generated summary of this filing

Updated

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
Period: 2026-03-04
German Christopher Paul
Corporate Controller & CAO
Transactions
  • Exercise/Conversion

    Common Stock

    2026-03-04$17.97/sh+1,500$26,9555,753 total
  • Sale

    Common Stock

    [F1]
    2026-03-04$89.56/sh5,614$502,790160 total
  • Exercise/Conversion

    Stock Options (Right to Buy)

    [F2]
    2026-03-041,5003,731 total
    Exercise: $17.97Exp: 2033-04-03Common 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

Documents

1 file
  • 4
    tm268127-1_4seq1.xmlPrimary

    OWNERSHIP DOCUMENT