Key facts
- This page summarizes Christopher Peetz's Form 4 filing for Mirum Pharmaceuticals, Inc. (MIRM).
- 4 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 06 Oct 2026, 20:38.
Christopher Peetz - 06 Oct 2026 Form 4 Insider Report for Mirum Pharmaceuticals, Inc. (MIRM)
- Reporting relationship
- CHIEF EXECUTIVE OFFICER, Director
- Issuer ticker
- MIRM
- Reported as of
- 06 Oct 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 06 Oct 2026, 20:38:23 UTC
- Prior SEC filing
- 03 Sep 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Judit Ryvkin, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Filing notes and source
Key filing fact
Christopher Peetz filed Form 4 for Mirum Pharmaceuticals, Inc. (MIRM) on 06 Oct 2026.
Change
- Previous filing in this sequence was filed on 03 Sep 2026.
- Current net transaction value: $0.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001614740
Primary reporting owner
Peetz Christopher
- Relationship
- CHIEF EXECUTIVE OFFICER, Director
- Address
- C/O MIRUM PHARMACEUTICALS, INC., 989 E HILLSDALE BLVD., SUITE 300, FOSTER CITY
- Signature
- /s/ Judit Ryvkin, Attorney-in-Fact
- Signature date
- 06 Oct 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MIRM
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +5,305
- Change %
- +2.7%
- Price
- $19.19*
- Shares after
- 199,745
- Date
- 06 Oct 2026
- Ownership
- Direct
MIRM
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +6,892
- Change %
- +3.5%
- Price
- $15.87*
- Shares after
- 206,637
- Date
- 06 Oct 2026
- Ownership
- Direct
MIRM
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 187,500
- Date
- 06 Oct 2026
- Ownership
- By The Peetz Family Trust
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
MIRM
transaction
Derivative
Employee Stock Option (right to buy)
Options Exercise
- Transaction value
- Shares
- -5,305
- Change %
- -3%
- Price
- $0.000000*
- Shares after
- 169,695
- Date
- 06 Oct 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 5,305
- Exercise price
- $19.19
- Footnotes
- F1
MIRM
transaction
Derivative
Employee Stock Option (right to buy)
Options Exercise
- Transaction value
- Shares
- -6,892
- Change %
- -2.9%
- Price
- $0.000000*
- Shares after
- 233,108
- Date
- 06 Oct 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 6,892
- Exercise price
- $15.87
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
The stock option is fully vested.