Christopher Peetz - 23 Jul 2024 Form 4 Insider Report for Mirum Pharmaceuticals, Inc. (MIRM)

Role: CHIEF EXECUTIVE OFFICER, Director
Signature: /s/ Judit Ryvkin, Attorney-in-Fact
Issuer symbol: MIRM
Transactions as of: 23 Jul 2024
Net transactions value: +$99,862
Form type: 4
Filing time: 24 Jul 2024, 17:32:48 UTC
Previous filing: 20 May 2024
Next filing: 14 Nov 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MIRM	Common Stock	Options Exercise	$99,862	+34,013	+37%	$2.94^*	126,783	23 Jul 2024	Direct
holding	MIRM	Common Stock						208,570	23 Jul 2024	By The Peetz 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)	Options Exercise	$0	-34,013	-11%	$0.000000	278,487	23 Jul 2024	Common Stock	34,013	$2.94	Direct	F1

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

Explanation of Responses:

Id	Content
F1	1/4th of the shares vested one year after November 5, 2018, and the balance of the shares vested in a series of 36 successive equal monthly installments at the end of each month thereafter.