InsiderTrades

Form 4 for RYTM RHYTHM PHARMACEUTICALS, INC.

Accepted 2026-02-03 00:00:00 ET · period of report 2026-02-01 · accession 0001104659-26-009772 · 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 2026-02-03 2026-02-01 RYTM Mazabraud Yann EVP, Head of International M - OptEx — +5,500 43.2K +15% —
D 2026-02-03 2026-02-01 RYTM Mazabraud Yann EVP, Head of International M - OptEx $0.00 -5,500 11.0K -33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-01 M A 5,500 — 43,155 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
2 Derivative Restricted Stock Units 2026-02-01 M D 5,500 $0.00 11,000 D — · — to — 5,500 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. (F2) The restricted stock units vest as to 25% of the total shares on each of February 16, 2025, February 1, 2026, February 1, 2027 and February 1, 2028. The restricted stock units have no expiration date.