InsiderTrades

Form 4 for RYTM RHYTHM PHARMACEUTICALS, INC.

Accepted 2026-03-06 00:00:00 ET · period of report 2026-03-04 · accession 0001104659-26-024750 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-03-06 2026-03-04 RYTM German Christopher Paul CAO, Corp. Ctrl S - Sale+OE $89.56 -5,614 160 -97% -$502.8K
D 2026-03-06 2026-03-04 RYTM German Christopher Paul CAO, Corp. Ctrl M - OptEx $17.97 +1,500 5,753 +35% +$27.0K
D 2026-03-06 2026-03-04 RYTM German Christopher Paul CAO, Corp. Ctrl M - OptEx $0.00 -1,500 3,731 -29% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-04 S D 5,614 $89.56 160 D — — (F1) Includes 21 shares of Common Stock purchased pursuant to the Rhythm Pharmaceuticals, Inc. Employee Stock Purchase Plan.
2 Common Common Stock 2026-03-04 M A 1,500 $17.97 5,753 D — —
3 Derivative Stock Options (Right to Buy) 2026-03-04 M D 1,500 $0.00 3,731 D $17.97 · — to 2033-04-03 1,500 Common Stock (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.