Karah Parschauer - Sep 8, 2021 Form 4 Insider Report for Ultragenyx Pharmaceutical Inc. (RARE)

Role: EVP and General Counsel
Signature: /s/ Karah Parschauer
Stock symbol: RARE
Transactions as of: Sep 8, 2021
Transactions value $: -$338,556
Form type: 4
Date filed: 9/9/2021, 06:22 PM
Previous filing: Jun 22, 2021
Next filing: Oct 18, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RARE	Common Stock	Options Exercise	$400K	+7.34K	+25.59%	$54.50	36K	Sep 8, 2021	Direct
transaction	RARE	Common Stock	Sale	-$738K	-7.34K	-20.38%	$100.65	28.7K	Sep 8, 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RARE	Stock Option (Right to Buy)	Options Exercise	$0	-7.34K	-29.34%	$0.00	17.7K	Sep 8, 2021	Common Stock	7.34K	$54.50	Direct	F2

* 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.
F2	The option vested with respect to 1/4th of the shares on June 20, 2017 (the first anniversary of the grant date of the option or the "Option Anniversary Date") and 1/48th of the shares initially subject to the option continued to vest on each month as measured from the Option Anniversary Date such that the option fully vested on the fourth anniversary of the grant date.