Pamela Vig - Jan 6, 2022 Form 4 Insider Report for Mirum Pharmaceuticals, Inc. (MIRM)

Role: Chief Scientific Officer
Signature: /s/ Jody Howe, Attorney-in-Fact
Stock symbol: MIRM
Transactions as of: Jan 6, 2022
Transactions value $: $0
Form type: 4
Date filed: 1/7/2022, 03:56 PM
Previous filing: Nov 15, 2021
Next filing: May 12, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MIRM	Common Stock	Award	$0	+10K	+95.83%	$0.00	20.4K	Jan 6, 2022	Direct	F1
holding	MIRM	Common Stock						75K	Jan 6, 2022	By The Vig-Ancock Family Trust

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	MIRM	Stock Option (right to buy)	Award	$0	+60K		$0.00	60K	Jan 6, 2022	Common Stock	60K	$15.87	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Represents restricted stock unit award granted under the Issuer's 2019 Equity Incentive Plan.
F2	1/4th of the shares vest one year after January 6, 2022 (the "Vesting Commencement Date") and the balance of the shares vest in a series of 36 successive equal monthly installments measured from the first anniversary of the Vesting Commencement Date.