Frazier Life Sciences X, L.P.

Insider Reports History

Location
601 Union Street, Suite 3200, Two Union Square, Seattle, WA
Signature
/s/ Steve R. Bailey, CFO of FHMLS X, L.L.C., GP of FHMLS X, L.P., GP of Frazier Life Sciences X, L.P.
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Frazier Life Sciences X, L.P.:

Stock Role Class Num Shares Value Price $ Report Date Ownership
MBX Biosciences, Inc. 10%+ Owner Common Stock 4.55M $48.7M $10.69 Sep 16, 2024 Direct
HilleVax, Inc. 10%+ Owner Common Stock 0 $0 $1.95 Sep 17, 2025 By Frazier Life Sciences X, L.P.
HilleVax, Inc. 10%+ Owner Common Stock 0 $0 $1.95 Sep 17, 2025 By Patrick J. Heron
MBX Biosciences, Inc. 10%+ Owner Series A Convertible Preferred Stock 0 Sep 16, 2024 Direct
MBX Biosciences, Inc. 10%+ Owner Series B Convertible Preferred Stock 0 Sep 16, 2024 Direct

Insider Reports Filed by Frazier Life Sciences X, L.P.

Symbol Company Period Transactions Value $ Form Type Date Filed Role
HLVX HilleVax, Inc. Sep 17, 2025 2 -$16.7M 4 Sep 17, 2025 10%+ Owner
MBX MBX Biosciences, Inc. Sep 16, 2024 4 $10M 4 Sep 17, 2024 10%+ Owner
MBX MBX Biosciences, Inc. Sep 12, 2024 0 $0 3 Sep 12, 2024 10%+ Owner
HLVX HilleVax, Inc. Apr 4, 2024 0 $0 4/A May 31, 2024 10%+ Owner
HLVX HilleVax, Inc. Apr 4, 2024 1 $128K 4 Apr 8, 2024 10%+ Owner
HLVX HilleVax, Inc. May 3, 2022 3 $67.2M 4 May 3, 2022 10%+ Owner
HLVX HilleVax, Inc. Apr 28, 2022 0 $0 3 Apr 28, 2022 10%+ Owner