Eric Bjerkholt - 11 Aug 2025 Form 4 Insider Report for Mirum Pharmaceuticals, Inc. (MIRM)

Signature
/s/ Judit Ryvkin, Attorney-in-Fact
Issuer symbol
MIRM
Transactions as of
11 Aug 2025
Net transactions value
+$78,251
Form type
4
Filing time
12 Aug 2025, 20:00:03 UTC
Previous filing
12 Jun 2025
Next filing
12 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
BJERKHOLT ERIC CHIEF FINANCIAL OFFICER C/O MIRUM PHARMACEUTICALS, INC., 989 E HILLSDALE BLVD., SUITE 300, FOSTER CITY /s/ Judit Ryvkin, Attorney-in-Fact 12 Aug 2025 0001197350

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MIRM Common Stock Sale -8,000 -22% 28,236 11 Aug 2025 Direct F1, F2
transaction MIRM Common Stock Options Exercise $78,251 +2,954 +10% $26.49 31,190 12 Aug 2025 Direct

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 Employee Stock Option (right to buy) Options Exercise $0 -2,954 -9.2% $0.000000 29,046 12 Aug 2025 Common Stock 2,954 $26.49 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The weighted average sale price for the transaction reported was $65.50, and the range of prices were between $65.31 and $66.00. 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.
F2 Includes 290 shares of Common Stock that were acquired by the Reporting Person on May 10, 2025 pursuant to the Issuer's Employee Stock Purchase Plan.
F3 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.