InsiderTrades

Form 4 for RYTM RHYTHM PHARMACEUTICALS, INC.

Accepted 2026-06-24 16:15:15 ET · period of report 2026-06-22 · accession 0001104659-26-077305 · 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
DT 2026-06-24 16:15 2026-06-22 RYTM TETRAULT LYNN A. Dir M - OptEx $28.27 +37.0K 44.0K +529% +$1.05M
DT 2026-06-24 16:15 2026-06-22 RYTM TETRAULT LYNN A. Dir S - Sale+OE $100.32 -37.0K 7,000 -84% -$3.71M
DT 2026-06-24 16:15 2026-06-22 RYTM TETRAULT LYNN A. Dir M - OptEx $0.00 -37.0K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-22 M A 37,000 $28.27 44,000 D — —
2 Common Common Stock 2026-06-22 S D 37,000 $100.32 7,000 D — — (F1) The sales reported in the Form 4 were effected pursuant to a Rule 10b5-1 instruction adopted on December 15, 2025. (F2) The price reported is a weighted average price. The securities were sold in multiple transactions at per share prices ranging from $100.00 to $100.91. The Reporting Person undertakes to provide upon request the SEC staff, the Issuer, or any shareholder of the Issuer, full information regarding the number of securities sold at each separate price within the range set forth in this footnote.
3 Derivative Stock Option (right to buy) 2026-06-22 M D 37,000 $0.00 0 D $28.27 · — to 2030-12-08 37,000 Common Stock (F3) The option is fully vested and exercisable.