Heron Patrick J bought MIRM

January 23, 2026 · Form 4 insider transaction

Heron Patrick J bought 159,277 shares of Mirum Pharmaceuticals, Inc., a transaction worth N/A. The trade was recorded as j and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Acquired (buy-side)
Shares
159,277
Price
N/A
Total value
N/A
RoleDirector, 10% owner
SecurityCommon Stock
Transaction codeJ: J
Transaction dateJanuary 23, 2026
Filing dateJanuary 27, 2026
Shares owned after327,585
OwnershipIndirect
10b5-1 planNo
AmendedNo

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.

View the original Form 4 on SEC EDGAR