Frazier Life Sciences X, L.P.

This profile gathers the share dealings of Frazier Life Sciences X, L.P. across 2 companies, led by HilleVax, Inc. and MBX Biosciences, Inc. Between 3 May 2022 and 17 September 2025, the trades on record add up to 7 filings.

On the market, this insider has only ever bought: 3 purchases, €37.6M in total. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket.

A typical purchase (the median) is worth €9.0M. Of 3 purchases, 2 formed part of a group of insiders buying within 30 days of each other. A cluster is several different insiders buying the same stock within a short window, a pattern studied more closely than a single purchase.

The record was last updated on 17 September 2025 with a transaction (€28k) in HilleVax, Inc. The last insider purchase was made public on 17 September 2024, 766 days ago. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 1 day. For comparison, the SEC allows two business days to file a Form 4. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.