Form 4 Tracker
Mirum Pharmaceuticals, Inc.
MIRM

57 insider filings · Latest: Oct 9, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jan 23, 2026Jan 27 9:14 PMPatrick J HeronDirector
Purchase
131,425$68.48$9.0M459,010(I)

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Jan 22, 2026Jan 23 10:30 PMJolanda HoweSVP, GLOBAL CONTROLLER
Sale
926$93.33$86.4K3,042(D)

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Jan 22, 2026Jan 23 10:30 PMJoanne QuanCHIEF MEDICAL OFFICER
Sale
1,822$93.33$170.0K12,817(D)

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Jan 22, 2026Jan 23 10:30 PMEric BjerkholtCHIEF FINANCIAL OFFICER
Sale
1,421$93.33$132.6K42,127(D)

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Jan 22, 2026Jan 23 10:30 PMPeter RadovichPRESIDENT AND COO
Sale
2,382$93.33$222.3K20,679(D)

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Jan 22, 2026Jan 23 10:30 PMChristopher PeetzDirector, CHIEF EXECUTIVE OFFICER
Sale
7,098$93.33$662.4K163,733(D)

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Jan 20, 2026Jan 21 9:05 PMJoanne QuanCHIEF MEDICAL OFFICER
Sale
6,911$90.27$623.9K11,305(D)

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Jan 15, 2026Jan 15 9:02 PMSAIRA RAMASASTRY
Proposed Sale
2,000$90.99$182.0K—

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Dec 22, 2025Dec 22 9:03 PMSAIRA RAMASASTRY
Proposed Sale
5,000$80.00$400.0K—

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Dec 19, 2025Dec 19 9:05 PMMICHAEL GREY
Proposed Sale
50,000$78.00$3.9M—

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Dec 18, 2025Dec 18 9:09 PMSAIRA RAMASASTRY
Proposed Sale
2,000$69.73$139.5K—

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Dec 1, 2025Dec 1 9:07 PMMICHAEL GREY
Proposed Sale
50,000$74.00$3.7M—

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Nov 21, 2025Nov 21 9:09 PMMICHAEL GREY
Proposed Sale
50,000$70.00$3.5M—

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Sep 11, 2025Sep 11 8:04 PMLAURA BREGE
Proposed Sale
17,000$74.41$1.3M—

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Sep 8, 2025Sep 8 8:06 PMSAIRA RAMASASTRY
Proposed Sale
17,000$77.04$1.3M—

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Aug 11, 2025Aug 11 8:06 PMCHRISTOPHER PEETZ
Proposed Sale
40,000$62.00$2.5M—

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Aug 7, 2025Aug 7 8:26 PMJOLANDA MARIE HOWE
Proposed Sale
10,000$58.00$580.0K—

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Aug 7, 2025Aug 7 8:25 PMCHRISTOPHER PEETZ
Proposed Sale
40,000$55.25$2.2M—

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Jul 3, 2025Jul 3 5:13 PMJOLANDA MARIE HOWE
Proposed Sale
477$49.08$23.4K—

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Jun 11, 2025Jun 11 8:05 PMWILLIAM C FAIREY
Proposed Sale
3,203$48.42$155.1K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jan 23, 2026Jan 27 9:30 PMJolanda HoweSVP, GLOBAL CONTROLLER
Option Exercise
1,500—1,500(D)

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Jan 23, 2026Jan 27 9:30 PMChristopher PeetzDirector, CHIEF EXECUTIVE OFFICER
Option Exercise
12,500—12,500(D)

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Jan 21, 2026Jan 23 10:30 PMJolanda HoweSVP, GLOBAL CONTROLLER
Option Exercise
1,542—3,083(D)

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Jan 21, 2026Jan 23 10:30 PMJoanne QuanCHIEF MEDICAL OFFICER
Option Exercise
3,334—6,666(D)

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Jan 21, 2026Jan 23 10:30 PMEric BjerkholtCHIEF FINANCIAL OFFICER
Option Exercise
3,334—6,666(D)

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Jan 21, 2026Jan 23 10:30 PMPeter RadovichPRESIDENT AND COO
Option Exercise
4,167—8,333(D)

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Jan 21, 2026Jan 23 10:30 PMChristopher PeetzDirector, CHIEF EXECUTIVE OFFICER
Option Exercise
12,797—25,593(D)

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Jan 16, 2026Jan 21 9:05 PMJoanne QuanCHIEF MEDICAL OFFICER
Option Exercise
12,500—12,500(D)

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