Pamela Vig - Jan 31, 2023 Form 4 Insider Report for Mirum Pharmaceuticals, Inc. (MIRM)

Role: Head of Research & Development
Signature: /s/ Jody Howe, Attorney-in-Fact
Stock symbol: MIRM
Transactions as of: Jan 31, 2023
Transactions value $: $0
Form type: 4
Date filed: 2/2/2023, 04:42 PM
Previous filing: Mar 18, 2024
Next filing: May 19, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MIRM	Common Stock	Award	$0	+9.63K	+43.95%	$0.00	31.5K	Jan 31, 2023	Direct	F1
holding	MIRM	Common Stock						75K	Jan 31, 2023	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	+38.5K		$0.00	38.5K	Jan 31, 2023	Common Stock	38.5K	$23.48	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 31, 2023 (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.