Heron Patrick J bought MBX
September 26, 2025 · Form 4 insider transaction
Heron Patrick J bought 666,666 shares of MBX Biosciences, Inc. at $18.00 per share, a transaction worth $12.00M. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 4 days after the transaction.
Footnotes
The shares reported herein are held of record 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. James N. Topper and Patrick J. Heron are the sole managing members of FHMLS X, L.L.C. and share voting and investment power over the shares held by Frazier Life Sciences X, L.P. Dr. Topper and Mr. Heron disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.