Dudediligence.

Mirum Pharmaceuticals, Inc

MIRMNASDAQ · Pharmaceutical Preparations
Write an idea

Insiders

Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$40.4M

36 notices · 446,116 sh

Oct 2025 to Oct 2026

Reported ·

$28.0M

40 sales · 1 buy · $8,999,984 bought

Oct 2025 to Jun 2026

The two figures cover different periods.

21 of 40 reported sales carry the 10b5-1 box. Together they are 0.51% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-14: ERIC BJERKHOLT, Form 1442026-09-02: JOLANDA MARIE HOWE, Form 1442026-09-01: CHRISTOPHER PEETZ, Form 1442026-08-18: JOLANDA MARIE HOWE, Form 1442026-08-11: ERIC BJERKHOLT, Form 1442026-08-10: CHRISTOPHER PEETZ, Form 1442026-08-03: JOLANDA MARIE HOWE, Form 1442026-07-06: CHRISTOPHER PEETZ, Form 1442026-07-06: ERIC BJERKHOLT, Form 1442026-07-01: JOLANDA MARIE HOWE, Form 1442026-06-17: JOLANDA MARIE HOWE, Form 1442026-06-08: ERIC BJERKHOLT, Form 1442026-06-01: CHRISTOPHER PEETZ, Form 1442026-06-01: SAIRA RAMASASTRY, Form 1442026-05-15: SAIRA RAMASASTRY, Form 1442026-04-15: SAIRA RAMASASTRY, Form 1442026-03-16: Jolanda Howe, Form 1442026-03-16: Joanne Quan, Form 1442026-03-16: Peter Radovich, Form 1442026-03-16: Christopher Peetz, Form 1442026-03-16: ERIC BJERKHOLT, Form 1442026-03-16: SAIRA RAMASASTRY, Form 1442026-02-13: SAIRA RAMASASTRY, Form 1442026-02-02: Jolanda Howe, Form 1442026-02-02: Peter Radovich, Form 1442026-02-02: Christopher Peetz, Form 1442026-01-26: Jolanda Howe, Form 1442026-01-26: Peter Radovich, Form 1442026-01-26: Christopher Peetz, Form 1442026-01-26: ERIC BJERKHOLT, Form 1442026-01-15: SAIRA RAMASASTRY, Form 1442025-12-22: SAIRA RAMASASTRY, Form 1442025-12-19: MICHAEL GREY, Form 1442025-12-18: SAIRA RAMASASTRY, Form 1442025-12-01: MICHAEL GREY, Form 1442025-11-21: MICHAEL GREY, Form 1442025-11-21: GREY MICHAEL G, sold2025-12-01: GREY MICHAEL G, sold2025-12-18: Ramasastry Saira, sold2025-12-19: GREY MICHAEL G, sold2025-12-22: Ramasastry Saira, sold2026-01-15: Ramasastry Saira, sold2026-01-20: Quan Joanne, sold2026-01-22: BJERKHOLT ERIC, sold2026-01-22: Peetz Christopher, sold2026-01-22: Radovich Peter, sold2026-01-22: Quan Joanne, sold2026-01-22: Howe Jolanda, sold2026-01-23: Heron Patrick J, bought2026-01-26: BJERKHOLT ERIC, sold2026-01-26: Peetz Christopher, sold2026-01-26: Radovich Peter, sold2026-01-26: Howe Jolanda, sold2026-02-02: Peetz Christopher, sold2026-02-02: Radovich Peter, sold2026-02-02: Howe Jolanda, sold2026-02-13: Ramasastry Saira, sold2026-03-16: BJERKHOLT ERIC, sold2026-03-16: Ramasastry Saira, sold2026-03-16: Peetz Christopher, sold2026-03-16: Radovich Peter, sold2026-03-16: Quan Joanne, sold2026-03-16: Howe Jolanda, sold2026-04-15: Ramasastry Saira, sold2026-05-15: Ramasastry Saira, sold2026-06-01: Ramasastry Saira, sold2026-06-01: Peetz Christopher, sold2026-06-08: BJERKHOLT ERIC, sold2026-06-17: Howe Jolanda, sold
under a no plan named▼ sale▲ buysize is dollars

Form 144 notices, newest first

2026-09-14ERIC BJERKHOLT, CHIEF FINANCIAL OFFICER$978,093
9,943 shplan 2026-03-09Form 4s on file end Jun 23144 ↗
2026-09-02JOLANDA MARIE HOWE, SVP, GLOBAL CONTROLLER$65,800
658 shplan 2026-03-18Form 4s on file end Jun 23144 ↗
2026-09-01CHRISTOPHER PEETZ, CHIEF EXECUTIVE OFFICER$2,960,319
30,000 shplan 2026-03-02Form 4s on file end Jun 23144 ↗
2026-08-18JOLANDA MARIE HOWE, SVP, GLOBAL CONTROLLER$4,000,000
40,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-08-11ERIC BJERKHOLT, CHIEF FINANCIAL OFFICER$599,510
6,001 shplan 2026-03-09Form 4s on file end Jun 23144 ↗
2026-08-10CHRISTOPHER PEETZ, CHIEF EXECUTIVE OFFICER$1,978,346
20,000 shplan 2026-03-02Form 4s on file end Jun 23144 ↗
2026-08-03JOLANDA MARIE HOWE, SVP, GLOBAL CONTROLLER$193,734
1,840 shplan 2026-03-18Form 4s on file end Jun 23144 ↗
2026-07-06CHRISTOPHER PEETZ, CHIEF EXECUTIVE OFFICER$2,445,434
20,000 shplan 2026-03-02Form 4s on file end Jun 23144 ↗
2026-07-06ERIC BJERKHOLT, CHIEF FINANCIAL OFFICER$611,270
5,000 shplan 2026-03-09Form 4s on file end Jun 23144 ↗
2026-07-01JOLANDA MARIE HOWE, SVP, GLOBAL CONTROLLER$326,520
2,721 shplan 2026-03-18Form 4s on file end Jun 23144 ↗
2026-06-17JOLANDA MARIE HOWE, SVP, GLOBAL CONTROLLER$264,458
2,594 shplan 2026-03-18144 ↗
Form 4, 2026-06-18: sold 2,594 at $101.95 Form 4 ↗
2026-06-08ERIC BJERKHOLT, CHIEF FINANCIAL OFFICER$469,073
5,000 shplan 2026-03-09144 ↗
Form 4, 2026-06-09: sold 5,000 at $93.82 Form 4 ↗
2026-06-01CHRISTOPHER PEETZ, CHIEF EXECUTIVE OFFICER$2,875,107
30,000 shplan 2026-03-02144 ↗
Form 4, 2026-06-02: sold 30,000 at $95.84 Form 4 ↗
2026-06-01SAIRA RAMASASTRY, Director$397,700
3,977 shplan 2025-09-18144 ↗
Form 4, 2026-06-02: sold 3,977 at $100.00 Form 4 ↗
2026-05-15SAIRA RAMASASTRY, Director$218,940
2,000 shplan 2025-09-18144 ↗
Form 4, 2026-05-18: sold 2,000 at $109.47 Form 4 ↗
2026-04-15SAIRA RAMASASTRY, Director$193,800
2,000 shplan 2025-09-18144 ↗
Form 4, 2026-04-16: sold 2,000 at $96.90 Form 4 ↗
2026-03-16Jolanda Howe, SVP, GLOBAL CONTROLLER$438,372
4,732 shplan 2024-01-23144 ↗
Form 4, 2026-03-17: sold 4,732 at $91.98 Form 4 ↗
2026-03-16Joanne Quan, CHIEF MEDICAL OFFICER$675,068
7,287 shplan 2024-01-23144 ↗
Form 4, 2026-03-17: sold 7,287 at $91.98 Form 4 ↗
2026-03-16Peter Radovich, PRESIDENT AND COO$1,529,950
16,515 shplan 2024-01-23144 ↗
Form 4, 2026-03-17: sold 16,515 at $91.98 Form 4 ↗
2026-03-16Christopher Peetz, CHIEF EXECUTIVE OFFICER$3,796,850
40,985 shplan 2024-01-23144 ↗
Form 4, 2026-03-17: sold 40,985 at $91.98 Form 4 ↗
2026-03-16ERIC BJERKHOLT, CHIEF FINANCIAL OFFICER$675,068
7,287 shplan 2024-01-23144 ↗
Form 4, 2026-03-17: sold 7,287 at $91.98 Form 4 ↗
2026-03-16SAIRA RAMASASTRY, Director$181,520
2,000 shplan 2025-09-18144 ↗
Form 4, 2026-03-17: sold 2,000 at $90.76 Form 4 ↗
2026-02-13SAIRA RAMASASTRY, Director$204,180
2,000 shplan 2025-09-18144 ↗
Form 4, 2026-02-17: sold 2,000 at $102.09 Form 4 ↗
2026-02-02Jolanda Howe, SVP, GLOBAL CONTROLLER$100,478
968 shplan 2023-01-31144 ↗
Form 4, 2026-02-03: sold 968 at $103.30 Form 4 ↗
2026-02-02Peter Radovich, PRESIDENT AND COO$273,098
2,631 shplan 2023-01-31144 ↗
Form 4, 2026-02-03: sold 2,631 at $103.30 Form 4 ↗
2026-02-02Christopher Peetz, CHIEF EXECUTIVE OFFICER$945,410
9,108 shplan 2023-01-31144 ↗
Form 4, 2026-02-03: sold 9,108 at $103.30 Form 4 ↗
2026-01-26Jolanda Howe, SVP, GLOBAL CONTROLLER$81,607
842 shplan 2024-01-23144 ↗
Form 4, 2026-01-27: sold 842 at $96.19 Form 4 ↗
2026-01-26Peter Radovich, PRESIDENT AND COO$304,620
3,143 shplan 2024-01-23144 ↗
Form 4, 2026-01-27: sold 3,143 at $96.19 Form 4 ↗
2026-01-26Christopher Peetz, CHIEF EXECUTIVE OFFICER$662,061
6,831 shplan 2024-01-23144 ↗
Form 4, 2026-01-27: sold 6,831 at $96.19 Form 4 ↗
2026-01-26ERIC BJERKHOLT, CHIEF FINANCIAL OFFICER$102,057
1,053 shplan 2024-01-23144 ↗
Form 4, 2026-01-27: sold 1,053 at $96.19 Form 4 ↗
2026-01-15SAIRA RAMASASTRY, Director$181,980
2,000 shplan 2025-09-18144 ↗
Form 4, 2026-01-16: sold 2,000 at $90.99 Form 4 ↗
2025-12-22SAIRA RAMASASTRY, Director$400,000
5,000 shplan 2025-09-18144 ↗
Form 4, 2025-12-23: sold 5,000 at $80.00 Form 4 ↗
2025-12-19MICHAEL GREY, Director$3,900,000
50,000 shplan 2025-08-22144 ↗
Form 4, 2025-12-23: sold 50,000 at $78.00 Form 4 ↗
2025-12-18SAIRA RAMASASTRY, Director$139,460
2,000 shplan 2025-09-18144 ↗
Form 4, 2025-12-19: sold 2,000 at $69.73 Form 4 ↗
2025-12-01MICHAEL GREY, Director$3,700,000
50,000 shplan 2025-08-22144 ↗
Form 4, 2025-12-02: sold 50,000 at $74.00 Form 4 ↗
2025-11-21MICHAEL GREY, Director$3,500,000
50,000 shplan 2025-08-22144 ↗
Form 4, 2025-11-25: sold 50,000 at $70.00 Form 4 ↗