Ultragenyx Pharmaceutical Inc. 4

EVP and Chief Legal Officer Karah Herdman Parschauer sold 1,899 shares of Ultragenyx common stock at $24.62 per share on June 15, 2026.

On June 15, 2026, Karah Herdman Parschauer, EVP and Chief Legal Officer of Ultragenyx Pharmaceutical Inc., reported an open-market sale of 1,899 shares of Ultragenyx common stock at an average price of $24.62 per share, for proceeds of approximately $46,750. Following this transaction, she directly owns 94,462 shares of common stock, which include 646 shares acquired previously under the company’s Amended and Restated Employee Stock Purchase Plan and shares underlying previously reported RSUs subject to vesting conditions. Based on the reported transaction price, her post-transaction equity stake is valued at roughly $2.32 million.

Filing Facts

CIK

1515673

Ticker

RARE

Form

4

Source Type

sec

Accession

0001677455-26-000002

Alert Tier

5