May 14, 2026 · Form 4 insider transaction
Fust Matthew K bought 14,058 shares of Ultragenyx Pharmaceutical Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 4 days after the transaction.
The option shall vest in full on the earlier of (i) the Company's next Annual Meeting of Stockholders or (ii) May 14, 2027.