Michael G. Grey - Jun 5, 2024 Form 4 Insider Report for Mirum Pharmaceuticals, Inc. (MIRM)

Role: Director
Signature: /s/ Judit Ryvkin, Attorney-in-Fact
Stock symbol: MIRM
Transactions as of: Jun 5, 2024
Transactions value $: $0
Form type: 4
Date filed: 6/7/2024, 06:25 PM
Previous filing: May 24, 2024

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	+8.78K		$0.00	8.78K	Jun 5, 2024	Common Stock	8.78K	$26.30	Direct	F1
transaction	MIRM	Deferred Stock Units	Award	$0	+5.7K		$0.00	5.7K	Jun 5, 2024	Common Stock	5.7K		Direct	F2

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

Explanation of Responses:

Id	Content
F1	The shares vest on the first anniversary of the grant date, provided that the option will in any case be fully vested on the date of the Issuer's 2025 annual stockholder meeting.
F2	Each deferred stock unit represents a contingent right to receive one share of the Issuer's common stock and will vest on the first anniversary of the grant date, provided that it will in any case be fully vested on the date of the Issuer's 2025 annual stockholder meeting. Each vested deferred stock unit will be paid out in the Issuer's common stock upon the earliest to occur of (i) a change in control of the Issuer and (ii) within 60 days following separation from service with the Issuer.

Content

The shares vest on the first anniversary of the grant date, provided that the option will in any case be fully vested on the date of the Issuer's 2025 annual stockholder meeting.

Each deferred stock unit represents a contingent right to receive one share of the Issuer's common stock and will vest on the first anniversary of the grant date, provided that it will in any case be fully vested on the date of the Issuer's 2025 annual stockholder meeting. Each vested deferred stock unit will be paid out in the Issuer's common stock upon the earliest to occur of (i) a change in control of the Issuer and (ii) within 60 days following separation from service with the Issuer.