Vassiliki Economides

Filings by Vassiliki Economides span 2 companies, the busiest being Gritstone bio, Inc. and Kezar Life Sciences, Inc. Over a trading history stretching from 30 May 2019 to 4 April 2025, the count stands at 13 filings.

Both buying and selling appear: 6 purchases worth €50k, against 2 sales worth €9,638. Purchases outweigh sales by €40k. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Other entries cover 4 share grants.

A typical purchase (the median) is worth €5,694. On 3 out of 5 purchases, another insider of the same company was buying within the same 30 days. Purchases made close together by different insiders form what is called a cluster.

Most recently, on 8 April 2025, the filings show a transaction in Gritstone bio, Inc. The latest purchase dates back some time: it was published 1,265 days ago, on 24 May 2023. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. US insiders must file a Form 4 within two business days of a trade. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.