Eric Bjerkholt - 08 Jun 2026 Form 4 Insider Report for Mirum Pharmaceuticals, Inc. (MIRM)

Reporting relationship: CHIEF FINANCIAL OFFICER
Issuer ticker: MIRM
Reported as of: 08 Jun 2026
Net transaction value: -$469,077
SEC form: 4
Accepted by SEC: 09 Jun 2026, 21:21:05 UTC
Prior SEC filing: 02 Jun 2026
Next SEC filing: 11 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Judit Ryvkin, Attorney-in-Fact

Key filing fact

Eric Bjerkholt filed Form 4 for Mirum Pharmaceuticals, Inc. (MIRM) on 09 Jun 2026.

Key facts

This page summarizes Eric Bjerkholt's Form 4 filing for Mirum Pharmaceuticals, Inc. (MIRM).
5 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 09 Jun 2026, 21:21.

Change

Previous filing in this sequence was filed on 02 Jun 2026.
Current net transaction value: -$469,077.

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 0001197350 Primary reporting owner

BJERKHOLT ERIC

Relationship: CHIEF FINANCIAL OFFICER
Address: C/O MIRUM PHARMACEUTICALS, INC., 989 E HILLSDALE BLVD., SUITE 300, FOSTER CITY
Signature: /s/ Judit Ryvkin, Attorney-in-Fact
Signature date: 09 Jun 2026

Reported non-derivative transactions

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

MIRM transaction

Common Stock

Sale

Transaction value: $209,633
Shares: -2,258
Change %: -4.5%
Price: $92.84
Shares after: 47,530
Date: 08 Jun 2026
Ownership: Direct
Footnotes: F1, F2

MIRM transaction

Common Stock

Sale

Transaction value: $110,391
Shares: -1,175
Change %: -2.5%
Price: $93.95
Shares after: 46,355
Date: 08 Jun 2026
Ownership: Direct
Footnotes: F1, F3

MIRM transaction

Common Stock

Sale

Transaction value: $149,053
Shares: -1,567
Change %: -3.4%
Price: $95.12
Shares after: 44,788
Date: 08 Jun 2026
Ownership: Direct
Footnotes: F1, F4

MIRM transaction

Common Stock

Options Exercise

Transaction value
Shares: +2,393
Change %: +5.3%
Price: $26.49^*
Shares after: 47,181
Date: 09 Jun 2026
Ownership: Direct

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: -2,393
Change %: -8.2%
Price: $0.000000^*
Shares after: 26,653
Date: 09 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,393
Exercise price: $26.49
Footnotes: F5

^* 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 5 footnotes

Footnote F1

Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on March 9, 2026.

Footnote F2

. The weighted average sale price for the transaction reported was $92.84, and the range of prices were between $92.485 and $93.31. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

Footnote F3

. The weighted average sale price for the transaction reported was $93.95, and the range of prices were between $93.49 and $94.47. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

Footnote F4

. The weighted average sale price for the transaction reported was $95.12, and the range of prices were between $94.62 and $95.44. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

Footnote F5

1/4th of the shares vested one year after January 23, 2024 (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.