InsiderTrades

Form 4 for RYTM RHYTHM PHARMACEUTICALS, INC.

Accepted 2026-02-03 00:00:00 ET · period of report 2026-02-01 · accession 0001104659-26-009764 · 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 Garfield Alastair CSO M - OptEx — +6,663 9,789 +213% —
D 2026-02-03 2026-02-01 RYTM Garfield Alastair CSO F - Tax $108.99 -2,026 7,763 -21% -$220.8K
D 2026-02-03 2026-02-01 RYTM Garfield Alastair CSO M - OptEx $0.00 -6,663 20.0K -25% $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 6,663 — 9,789 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
2 Common Common Stock 2026-02-01 F D 2,026 $108.99 7,763 D — —
3 Derivative Restricted Stock Units 2026-02-01 M D 6,663 $0.00 19,987 D — · — to — 6,663 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. (F3) The restricted stock units vest as to 25% of the total shares on each of February 1, 2026, February 1, 2027, February 1, 2028 and February 1, 2029. The restricted stock units have no expiration date.