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$MIRM All transactions

Mirum Pharmaceuticals, Inc.

▲ BUY
10 / 10

Conviction

$ Value

$9.0M

Shares

131,425

Price

$68

Filed

Jan 27

Why this score? (10/10)
  • Open market buy (+3)
  • Trade value >= $5.0M (+3)
  • % of holdings >= 20% (+2)
  • Director (+1)
  • Not a 10b5-1 plan (+1)

Insider

Name

Heron Patrick J

Title

CIK

0001365617

Roles

Director

Transaction Details

Transaction Date

2026-01-23

Code

P

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

459,010

Footnotes

Frazier Life Sciences X, L.P. received these shares in connection with merger of Bluejay Therapeutics, Inc. into the Issuer (the "Merger"). On the effective date of the Merger, the closing price of the Issuer's Common Stock was $94.29 per share. | The shares are held directly by Frazier Life Sciences X, L.P. FHMLS X, L.P. is the general partner of Frazier Life Sciences X, L.P. and FHMLS X, L.L.C. is the general partner of FHMLS X, L.P. The Reporting Person is one of two managing members of FHMLS X, L.L.C. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. | The shares are held directly by Frazier Life Sciences IX, L.P. FHMLS IX, L.P. is the general partner of Frazier Life Sciences IX, L.P. FHMLS IX, L.L.C. is the general partner of FHMLS IX, L.P. The Reporting Person is one of two managing members of FHMLS IX, L.L.C. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

Filing Info

Accession No.

0001365617-26-000002

Form Type

4

Issuer CIK

0001759425

Heron Patrick J's History

Date Ticker Type Value
2026-01-23 MIRM J
2026-01-23 MIRM $9.0M
2025-09-26 MBX $12.0M
2025-06-23 HLVX A $0
2025-06-13 ARQT $35K
2025-06-12 ARQT A $0
2025-06-12 ARQT A $0
2025-06-05 ARQT $5K
2025-06-05 MBX A $0
2025-06-04 ARQT $25K

Other Insiders at MIRM (90d)

Insider Bought Sold Last
BJERKHOLT ERIC
CHIEF FINANCIAL OFFICER
$101K 2026-01-28
Heron Patrick J 2026-01-23
Ramasastry Saira $194K 2026-04-15
Peetz Christopher
CHIEF EXECUTIVE OFFICER
$1.6M 2026-02-02
Radovich Peter
PRESIDENT AND COO
$574K 2026-02-02
Quan Joanne
CHIEF MEDICAL OFFICER
2026-01-28
Howe Jolanda
SVP, GLOBAL CONTROLLER
$181K 2026-02-02