0001209191-23-027549.txt : 20230504 0001209191-23-027549.hdr.sgml : 20230504 20230504215839 ACCESSION NUMBER: 0001209191-23-027549 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20230503 FILED AS OF DATE: 20230504 DATE AS OF CHANGE: 20230504 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: GREY MICHAEL G CENTRAL INDEX KEY: 0001240122 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38981 FILM NUMBER: 23891014 MAIL ADDRESS: STREET 1: C/O SGX PHARMACEUTICALS, INC. STREET 2: 10505 ROSELLE STREET CITY: SAN DIEGO STATE: CA ZIP: 92121 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Mirum Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001759425 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 831281555 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 950 TOWER LANE, SUITE 1050 CITY: FOSTER CITY STATE: CA ZIP: 94404 BUSINESS PHONE: 650-667-4085 MAIL ADDRESS: STREET 1: 950 TOWER LANE, SUITE 1050 CITY: FOSTER CITY STATE: CA ZIP: 94404 4 1 doc4.xml FORM 4 SUBMISSION X0407 4 2023-05-03 0 0001759425 Mirum Pharmaceuticals, Inc. MIRM 0001240122 GREY MICHAEL G C/O MIRUM PHARMACEUTICALS, INC. 950 TOWER LANE, SUITE 1050 FOSTER CITY CA 94404 1 0 0 0 1 Common Stock 2023-05-03 4 M 0 14608 2.936 A 14608 D Common Stock 2023-05-03 4 S 0 14608 28.00 D 0 D Common Stock 289198 I By The Grey Family Trust dated November 12,1999 Common Stock 93750 I By The Grey 2018 Irrevocable Children's Trust Stock Option (right to buy) 2.936 2023-05-03 4 M 0 14608 0.00 D 2029-03-11 Common Stock 14608 360392 D Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted August 30, 2022. 1/4th of the shares vest one year after November 5, 2018, and the balance of the shares vest in a series of 36 successive equal monthly installments at the end of each month thereafter. The shares subject to this option are early exercisable, subject to the Issuer's right of repurchase. /s/ Judit Ryvkin, Attorney-in-Fact 2023-05-04 EX-24 2 poa.txt POA DOCUMENT POWER OF ATTORNEY Know all by these presents, that the undersigned hereby constitutes and appoints each of Christopher Peetz, Jody Howe and Judit Ryvkin of Mirum Pharmaceuticals, Inc. (the "Company"), signing individually, the undersigned's true and lawful attorney-in-fact and agent to: (1) execute for and on behalf of the undersigned, an officer, director or holder of 10% of more of a registered class of securities of the Company, Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") and the rules thereunder; (2) do and perform any and all acts for and on behalf of the undersigned that may be necessary or desirable to complete and execute such Form 3, 4 or 5, complete and execute any amendment or amendments thereto, and timely file such forms or amendments with the United States Securities and Exchange Commission and any stock exchange or similar authority; and (3) take any other action of any nature whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion. The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that each of the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, is not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Exchange Act. This Power of Attorney shall remain in full force and effect until the earliest to occur of (a) the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, (b) revocation by the undersigned in a signed writing delivered to the foregoing attorney-in-fact or (c) until such attorney-in-fact shall no longer be employed by the Company. IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 4th day of May, 2023. /s/ Michael Grey (Signature) Michael Grey (Name: Printed or Typed)