Mirum Pharmaceuticals, Inc. SEC Filing

Mirum Pharmaceuticals, Inc. insider plans a modest stock sale under Rule 144.

Accepted by SEC EDGAR 01/28/2026 - 06:44 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Mirum Pharmaceuticals, Inc. insider plans a modest stock sale under Rule 144. A holder has filed to sell 1,053 shares of Mirum common stock on NASDAQ through Morgan Stanley Smith Barney LLC, with an approximate sale date of 01/26/2026 and an aggregate market value of 102,056.76.

The 1,053 shares were acquired on 01/23/2026 as restricted stock units vesting under a registered plan, as compensation for services rendered to Mirum. Over the past three months, the same seller disposed of 1,421 shares of common stock on 01/22/2026 for gross proceeds of 132,615.15. Shares outstanding were 51,393,574 at the time referenced.

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001197350
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MIRUM PHARMACEUTICALS, INC.
SEC File Number	001-38981
Address of Issuer	989 E HILLSDALE BLVD., SUITE 300 FOSTER CITY CALIFORNIA 94404
Phone	650-667-4085
Name of Person for Whose Account the Securities are To Be Sold	ERIC BJERKHOLT
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Morgan Stanley Smith Barney LLC 1 New York Plaza, 8th Floor New York NY 10004	1053	102056.76	51393574	01/26/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	01/23/2026	Restricted Stock Units vesting under registered plan	Issuer			1053	01/23/2026	Compensation for services rendered to Issuer

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Eric Bjerkholt c/o Mirum Pharmaceuticals, Inc. 989 E Hillsdale Blvd., Suite 300 Foster City CA 94404	Common Stock	01/22/2026	1421	132615.15

144: Remarks and Signature

Remarks	This is a sell-to-cover transaction for taxes owed related to recent vesting of stock unit awards granted by the Issuer.
Date of Notice	01/28/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	01/23/2024
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Eric Bjerkholt
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)