Shuo Zhang

This profile gathers the share dealings of Shuo Zhang across 2 companies, led by Grid Dynamics Holdings, Inc. and PDF Solutions Inc. In total, 30 filings cover trades dated from 1 August 2019 to 12 August 2026.

Both buying and selling appear: 1 purchase worth €67k, against 9 sales worth €1.2M. Taken together, the sales exceed the purchases by €1.2M. A purchase on the market is a deliberate choice to commit personal money, which is why it draws more attention than a grant. The rest of the record consists of 18 share grants. Since January 2026: no purchases and 1 sale on the market.

The latest filing, published on 12 August 2026, reports an open-market sale of €67k in PDF Solutions Inc. The last insider purchase was made public on 18 August 2020, 2,257 days ago. The median gap between a trade and its publication by SEC (Form 4) is 2 days. The legal deadline for a Form 4 is two business days after the transaction. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.