Form 4 Tracker
Mirum Pharmaceuticals, Inc.
MIRM

57 insider filings · Latest: Oct 9, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Mar 16, 2026Mar 17 10:58 PMPeter Radovich
Proposed Sale
16,515$92.64$1.5M—

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Mar 16, 2026Mar 17 10:55 PMJolanda Howe
Proposed Sale
4,732$92.64$438.4K—

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Mar 16, 2026Mar 17 10:50 PMChristopher Peetz
Proposed Sale
40,985$92.64$3.8M—

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Mar 16, 2026Mar 16 8:04 PMSAIRA RAMASASTRY
Proposed Sale
2,000$90.76$181.5K—

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Feb 13, 2026Feb 17 9:38 PMSaira RamasastryDirector
Sale
2,000$102.09$204.2K0(D)

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Feb 13, 2026Feb 13 9:04 PMSAIRA RAMASASTRY
Proposed Sale
2,000$102.09$204.2K—

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Feb 2, 2026Feb 4 2:45 AMPeter RadovichPRESIDENT AND COO
Sale
2,631$103.30$271.8K20,655(D)

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Feb 2, 2026Feb 4 2:45 AMChristopher PeetzDirector, CHIEF EXECUTIVE OFFICER
Sale
9,108$103.30$940.9K160,294(D)

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Feb 2, 2026Feb 4 2:45 AMJolanda HoweSVP, GLOBAL CONTROLLER
Sale
968$103.30$100.0K4,503(D)

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Feb 2, 2026Feb 3 1:29 AMJolanda Howe
Proposed Sale
968$103.80$100.5K—

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Feb 2, 2026Feb 3 1:25 AMPeter Radovich
Proposed Sale
2,631$103.80$273.1K—

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Feb 2, 2026Feb 3 1:21 AMChristopher Peetz
Proposed Sale
9,108$103.80$945.4K—

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Jan 26, 2026Jan 28 11:47 PMJolanda Howe
Proposed Sale
842$96.92$81.6K—

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Jan 26, 2026Jan 28 11:44 PMERIC BJERKHOLT
Proposed Sale
1,053$96.92$102.1K—

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Jan 26, 2026Jan 28 11:43 PMPeter Radovich
Proposed Sale
3,143$96.92$304.6K—

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Jan 26, 2026Jan 28 11:40 PMChristopher Peetz
Proposed Sale
6,831$96.92$662.1K—

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Jan 26, 2026Jan 27 9:30 PMEric BjerkholtCHIEF FINANCIAL OFFICER
Sale
1,053$96.19$101.3K43,741(D)

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Jan 26, 2026Jan 27 9:30 PMPeter RadovichPRESIDENT AND COO
Sale
3,143$96.19$302.3K23,286(D)

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Jan 26, 2026Jan 27 9:30 PMJolanda HoweSVP, GLOBAL CONTROLLER
Sale
842$96.19$81.0K3,700(D)

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Jan 26, 2026Jan 27 9:30 PMChristopher PeetzDirector, CHIEF EXECUTIVE OFFICER
Sale
6,831$96.19$657.1K169,402(D)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
May 29, 2026Jun 2 11:50 PMSaira RamasastryDirector
Option Exercise
3,977—0(D)

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May 29, 2026Jun 2 11:50 PMLaurent FischerDirector
Option Exercise
3,977—0(D)

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May 15, 2026May 19 12:32 AMSaira RamasastryDirector
Option Exercise
2,000$23.510(D)

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Apr 15, 2026Apr 17 12:40 AMSaira RamasastryDirector
Option Exercise
2,000$23.512,000(D)

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Mar 15, 2026Mar 17 11:30 PMEric BjerkholtCHIEF FINANCIAL OFFICER
Option Exercise
13,334—6,666(D)

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Mar 15, 2026Mar 17 11:30 PMJoanne QuanCHIEF MEDICAL OFFICER
Option Exercise
13,334—6,666(D)

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Mar 16, 2026Mar 17 11:30 PMSaira RamasastryDirector
Option Exercise
2,000$23.514,000(D)

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Mar 15, 2026Mar 17 11:30 PMPeter RadovichPRESIDENT AND COO
Option Exercise
30,220—11,500(D)

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Mar 15, 2026Mar 17 11:30 PMJolanda HoweSVP, GLOBAL CONTROLLER
Option Exercise
8,658—3,000(D)

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Mar 15, 2026Mar 17 11:30 PMChristopher PeetzDirector, CHIEF EXECUTIVE OFFICER
Option Exercise
75,000—25,000(D)

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Mar 6, 2026Mar 11 8:05 PMPeter RadovichPRESIDENT AND COO
Option Exercise
5,912$15.8754,088(D)

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Feb 13, 2026Feb 17 9:38 PMSaira RamasastryDirector
Option Exercise
2,000$23.516,000(D)

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Jan 31, 2026Feb 4 2:45 AMJolanda HoweSVP, GLOBAL CONTROLLER
Option Exercise
1,771—0(D)

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Jan 28, 2026Jan 30 11:30 PMJolanda HoweSVP, GLOBAL CONTROLLER
Grant/Award
21,650$100.859,000(D)

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Jan 28, 2026Jan 30 11:30 PMJoanne QuanCHIEF MEDICAL OFFICER
Grant/Award
49,900$100.8520,000(D)

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Jan 28, 2026Jan 30 11:30 PMEric BjerkholtCHIEF FINANCIAL OFFICER
Grant/Award
49,900$100.8520,000(D)

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Jan 28, 2026Jan 30 11:30 PMPeter RadovichPRESIDENT AND COO
Grant/Award
75,900$100.8534,500(D)

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Jan 28, 2026Jan 30 11:30 PMChristopher PeetzDirector, CHIEF EXECUTIVE OFFICER
Grant/Award
185,500$100.8575,000(D)

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Jan 23, 2026Jan 27 9:30 PMEric BjerkholtCHIEF FINANCIAL OFFICER
Option Exercise
2,667—2,666(D)

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Jan 23, 2026Jan 27 9:30 PMPeter RadovichPRESIDENT AND COO
Option Exercise
5,750—5,750(D)

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