Karah Herdman Parschauer - 06 Mar 2026 Form 4 Insider Report for Ultragenyx Pharmaceutical Inc. (RARE)

Role: EVP and Chief Legal Officer
Signature: /s/ Karah Parschauer
Issuer symbol: RARE
Transactions as of: 06 Mar 2026
Net transactions value: -$208,312
Form type: 4
Filing time: 10 Mar 2026, 16:51:40 UTC
Previous filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Parschauer Karah Herdman	EVP and Chief Legal Officer	C/O ULTRAGENYX PHARMACEUTICAL INC., 60 LEVERONI COURT, NOVATO	/s/ Karah Parschauer	10 Mar 2026	0001677455

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RARE	Common Stock	Sale	$128,785	-6,018	-7.9%	$21.40	70,328	06 Mar 2026	Direct
transaction	RARE	Common Stock	Sale	$79,526	-3,508	-5%	$22.67	66,820	10 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes previously reported shares of common stock underlying RSUs granted to the Reporting Person, which are subject to certain vesting conditions.