InsiderTrades

Form 4 for RARE Ultragenyx Pharmaceutical Inc.

Accepted 2025-12-11 00:00:00 ET · period of report 2025-12-10 · accession 0001193125-25-315460 · 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
T 2025-12-11 2025-12-10 RARE Horn Howard CFO S - Sale $36.38 -3,081 95.1K -3% -$112.1K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-12-10 S D 3,081 $36.38 95,146 D — — (F1) Includes previously reported shares of common stock underlying RSUs granted to the Reporting Person, which are subject to certain vesting conditions.