Phillip B. Donenberg

This profile gathers the share dealings of Phillip B. Donenberg across 3 companies, led by Taysha Gene Therapies, Inc., AveXis, Inc. and Tectonic Therapeutic, Inc. Between 13 March 2018 and 2 June 2025, the trades on record add up to 7 filings.

Every open-market trade on record is a purchase: 3 purchases worth €132k, and no sale. Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. Besides market trades, the filings include 3 share grants.

A typical purchase (the median) is worth €21k. On 2 out of 3 purchases, another insider of the same company was buying within the same 30 days. When several insiders buy within a few weeks of each other, analysts speak of a cluster purchase.

The latest filing, published on 4 June 2025, reports a share grant in Taysha Gene Therapies, Inc. The last purchase on record was published on 16 August 2023, which is 1,180 days ago. Typically, a trade is published a median of 2 days after it takes place. US insiders must file a Form 4 within two business days of a trade. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.