MIRM insider plans sale of 6,001 common shares

MIRM insider Eric Bjerkh olt filed a notice to sell up to 6,001 shares of common stock through Morgan Stanley Smith Barney LLC’s Executive Financial Services, with an indicated aggregate market value of $599,509.50 on NASDAQ as of August 11, 2026.

Rhea-AI Filing Summary

MIRM insider Eric Bjerkh olt filed a notice to sell up to 6,001 shares of common stock through Morgan Stanley Smith Barney LLC’s Executive Financial Services, with an indicated aggregate market value of $599,509.50 on NASDAQ as of August 11, 2026. The notice references underlying awards of 3,334 and 2,667 restricted stock shares dated September 11, 2024 and January 23, 2025. It also lists prior sales during the past three months of 5,000 shares for $611,270.00 on July 6, 2026 and 5,000 shares for $469,073.00 on June 8, 2026.

Key Figures

Shares to be sold: 6,001 shares Aggregate market value: $599,509.50 Prior sale July 6, 2026: 5,000 shares for $611,270.00 +3 more

6 metrics

Shares to be sold 6,001 shares Common stock indicated for potential sale through Morgan Stanley Smith Barney LLC

Aggregate market value $599,509.50 Approximate aggregate market value of 6,001 shares as of August 11, 2026 on NASDAQ

Prior sale July 6, 2026 5,000 shares for $611,270.00 Common stock sold by Eric Bjerkh olt during the past three months

Prior sale June 8, 2026 5,000 shares for $469,073.00 Common stock sold by Eric Bjerkh olt during the past three months

Restricted stock award 1 3,334 shares Common stock acquired as restricted stock dated September 11, 2024

Restricted stock award 2 2,667 shares Common stock acquired as restricted stock dated January 23, 2025

Key Terms

Restricted Stock, Securities To Be Sold, Securities Sold During The Past 3 Months, aggregate market value

4 terms

Restricted Stock financial

"Common | 09/11/2024 | Restricted Stock | Issuer"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Securities To Be Sold regulatory

"144: Securities To Be Sold"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

aggregate market value financial

"6001 | 599509.50 | 64932203 | 08/11/2026 | NASDAQ"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stock sale is disclosed for MIRM in this Form 144-style notice?

The notice states that 6,001 shares of MIRM common stock may be sold through Morgan Stanley Smith Barney LLC, with an aggregate market value of $599,509.50 based on NASDAQ pricing as of August 11, 2026.

Who is the insider planning to sell MIRM shares and through which broker?

The filer is Eric Bjerkh olt, who indicates plans to sell MIRM common shares through Morgan Stanley Smith Barney LLC Executive Financial Services at 1 New York Plaza, New York, NY.

How many MIRM shares has the insider sold in the past three months?

The filing lists two prior transactions: 5,000 shares sold on July 6, 2026 for $611,270.00 and 5,000 shares sold on June 8, 2026 for $469,073.00.

What restricted stock awards are associated with the planned MIRM share sale?

The notice references common stock acquired as restricted stock from the issuer: 3,334 shares dated September 11, 2024 and 2,667 shares dated January 23, 2025, both listed as not applicable for conversion terms.

On which market are the MIRM shares in this filing quoted?

The common stock to be sold is described as listed on NASDAQ, and the $599,509.50 aggregate market value for the 6,001 shares is tied to NASDAQ pricing as of August 11, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/11/2026 - 04:11 PM EDT Learn about SEC filing dates

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 East Hillsdale Boulevard, 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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	6001	599509.50	64932203	08/11/2026	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	09/11/2024	Restricted Stock	Issuer			3334	09/11/2024	Not Applicable
Common	01/23/2025	Restricted Stock	Issuer			2667	01/23/2025	Not Applicable

* 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 989 East Hillsdale Boulevard, Suite 300 Foster City CA 94404	Common	07/06/2026	5000	611270.00
ERIC BJERKHOLT 989 East Hillsdale Boulevard, Suite 300 Foster City CA 94404	Common	06/08/2026	5000	469073.00

144: Remarks and Signature

Remarks
Date of Notice	08/11/2026
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 L Bjerkholt
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)