InsiderTrades

Form 4 for RARE Ultragenyx Pharmaceutical Inc.

Accepted 2026-06-01 19:11:52 ET · period of report 2026-06-01 · accession 0001786335-26-000002 · 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 2026-06-01 19:11 2026-06-01 RARE Horn Howard CFO S - Sale $23.77 -4,653 105.7K -4% -$110.6K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-01 S D 4,653 $23.77 105,689 D — — (F1) Includes previously reported shares of common stock underlying RSUs granted to the Reporting Person, which are subject to certain vesting conditions.