September 18, 2025 · Form 4 insider transaction
Huizenga Theodore Alan sold 64 shares of Ultragenyx Pharmaceutical Inc. at $29.17 per share, a transaction worth $1.9K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 1 day after the transaction.
Represents shares sold to pay required tax withholdings due to the vesting of RSUs.; Includes previously reported shares of common stock underlying RSUs granted to the Reporting Person, which are subject to certain vesting conditions.