Laurent Fischer

This profile gathers the share dealings of Laurent Fischer across 2 companies, led by Adverum Biotechnologies, Inc. and Mirum Pharmaceuticals, Inc. Between 6 September 2019 and 9 December 2025, the trades on record add up to 24 filings.

Market trades split into 14 purchases (€853k) and 3 sales (€90k). Purchases outweigh sales by €763k. A purchase on the market is a deliberate choice to commit personal money, which is why it draws more attention than a grant. Outside the open market, there are 3 share grants and 1 option exercise. In 2025 alone, the filings show 2 purchases and 1 sale.

In size, the median ticket on the buying side is €20k. Of 14 purchases, 14 formed part of a group of insiders buying within 30 days of each other. Purchases made close together by different insiders form what is called a cluster.

The latest filing, published on 10 December 2025, reports a transaction in Adverum Biotechnologies, Inc. The most recent open-market purchase was published on 8 December 2025, 319 days ago. Typically, a trade is published a median of 1 day after it takes place. For comparison, the SEC allows two business days to file a Form 4. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.