Jolanda Howe - 01 Jul 2025 Form 4 Insider Report for Mirum Pharmaceuticals, Inc. (MIRM)

Reporting relationship: SVP, GLOBAL CONTROLLER
Issuer ticker: MIRM
Reported as of: 01 Jul 2025
Net transaction value: -$50,624
SEC form: 4
Accepted by SEC: 03 Jul 2025, 18:48:47 UTC
Prior SEC filing: 19 Mar 2025
Next SEC filing: 08 Aug 2025
Source filing: View source filing
Reporting owner signature: /s/ Judit Ryvkin, Attorney-in-Fact

Key filing fact

Jolanda Howe filed Form 4 for Mirum Pharmaceuticals, Inc. (MIRM) on 03 Jul 2025.

Key facts

This page summarizes Jolanda Howe's Form 4 filing for Mirum Pharmaceuticals, Inc. (MIRM).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 03 Jul 2025, 18:48.

Change

Previous filing in this sequence was filed on 19 Mar 2025.
Current net transaction value: -$50,624.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001974200 Primary reporting owner

Howe Jolanda

Relationship: SVP, GLOBAL CONTROLLER
Address: C/O MIRUM PHARMACEUTICALS, INC., 989 E HILLSDALE BLVD., SUITE 300, FOSTER CITY
Signature: /s/ Judit Ryvkin, Attorney-in-Fact
Signature date: 03 Jul 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MIRM transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,041
Change %: +43%
Price
Shares after: 3,467
Date: 01 Jul 2025
Ownership: Direct
Footnotes: F1

MIRM transaction

Common Stock

Sale

Transaction value: $27,213
Shares: -564
Change %: -16%
Price: $48.25
Shares after: 2,903
Date: 02 Jul 2025
Ownership: Direct
Footnotes: F2

MIRM transaction

Common Stock

Sale

Transaction value: $23,411
Shares: -477
Change %: -16%
Price: $49.08
Shares after: 2,426
Date: 03 Jul 2025
Ownership: Direct
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MIRM transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -1,041
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 01 Jul 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,041
Exercise price
Footnotes: F1, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

Each restricted stock unit represents a contingent right to receive one share of common stock (or its cash equivalent, at the discretion of the Issuer).

Footnote F2

Shares sold to cover tax withholding obligations associated with the vesting of restricted stock units.

Footnote F3

Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on December 16, 2024.

Footnote F4

The restricted stock units vest in a series of three successive equal annual installments beginning July 1, 2023.