Insiders / Frazier Life Sciences X, L.P.
Frazier Life Sciences X, L.P.
CIK 1790879personinsiderbeneficial owner
Companies
2
First seen
Apr 28, 2022
Last activity
Nov 4, 2025
Companies
| Company | Shares held | Latest |
|---|---|---|
| HilleVax, Inc. · HLVX | 8,535,337 | — |
| MBX Biosciences, Inc. · MBX | 4,552,774 | — |
All securities held
2 positions · latest reported per filing
Shares
| Company | Security | Shares |
|---|---|---|
| HilleVax, Inc. | Common stock | 8,535,337 |
| MBX Biosciences, Inc. | Common stock | 4,552,774 |
Ownership percentages elsewhere on the site count common and ordinary shares only, because that is what shares outstanding are measured in. Everything above is a real holding; not all of it is a share of the company.
Activity
InsidersInstitutions
This person's trades in company stock, across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| May 3, 2022 | Other Derivative conversion | HLVX HilleVax, Inc. Common Stock | $37.21M | +2.7M +67.82% | 6,770,631 | low |
| May 3, 2022 | Buy Open-market buy | HLVX HilleVax, Inc. Common Stock | $30.00M | +1.8M +26.06% | 8,535,337 | high |
| Sep 17, 2025 | Other Shares tendered | HLVX HilleVax, Inc. Common Stock | $16.64M | -8.5M |