SEC Insider Transactions from Frazier Life Sciences X, L.P..

Last updated: 2026-03-14 11:07 UTC | Total transactions: 7

Frazier Life Sciences X, L.P. has filed 7 insider transactions across 2 companies since April 2024.

Most recent transaction: a transaction of 17199 shares of HilleVax, Inc. ($HLVX) on September 17, 2025.

Activity breakdown: 2 open-market purchases and 0 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Sept. 17, 2025 HilleVax, Inc. $HLVX Frazier Life Sciences X, L.P. Not found U Common Stock 17199 $1.95 0.0000 50,141,064 100.00% 0.03%
Sept. 17, 2025 HilleVax, Inc. $HLVX Frazier Life Sciences X, L.P. Not found U Common Stock 8535337 $1.95 0.0000 50,141,064 100.00% 17.02%
Sept. 16, 2024 MBX Biosciences, Inc. $MBX Frazier Life Sciences X, L.P. Not found C Series A Convertible Preferred Stock 18922852 $0.00 0.0000 0 100.00% 0.00%
Sept. 16, 2024 MBX Biosciences, Inc. $MBX Frazier Life Sciences X, L.P. Not found C Common Stock 3927774 $0.00 3,927,774.0000 0 9999.99% 0.00%
Sept. 16, 2024 MBX Biosciences, Inc. $MBX Frazier Life Sciences X, L.P. Not found C Series B Convertible Preferred Stock 28297265 $0.00 0.0000 0 100.00% 0.00%
Sept. 16, 2024 MBX Biosciences, Inc. $MBX Frazier Life Sciences X, L.P. Not found P Common Stock 625000 $16.00 4,552,774.0000 0 15.91% 0.00%
April 4, 2024 HilleVax, Inc. $HLVX Frazier Life Sciences X, L.P. Not found P Common Stock 8850 $14.50 8,544,187.0000 0 0.10% 0.00%