SZ
Shuo Zhang
Director

Shuo Zhang insider trades: Pdf Solutions (PDFS) stock sales

Director, Pdf Solutions Last trade Aug 12, 2026 13 Form 4 filings
$77K
Sold, last 12 months
1 sale
$0
Bought, last 12 months
0 buys
5
Open-market trades
since 2022
1
Company
last trade 2026

Trades on the price chart

Daily close, with an arrow on each day they bought or sold

Companies

Where Shuo reports to the SEC

Open-market buys and sales

5 trades reported on SEC Form 4, newest first

DateStockTypeValue
Aug 12, 2026PDFS↓ Sell$77K
Jun 3, 2024PDFS↓ Sell$191K
Aug 18, 2023PDFS↓ Sell$103K
Nov 16, 2022PDFS↓ Sell$60K
Mar 15, 2022PDFS↓ Sell$281K

Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.

Other PDFS insiders

Open-market trades in the last 12 months

About Shuo Zhang's insider trades

Shuo Zhang is a director at Pdf Solutions (PDFS). Since Mar 15, 2022, Shuo has reported no open-market purchases and 5 sales worth $711K on SEC Form 4. In the last 12 months: 1 sale ($77K).

Their filings also include grants and awards (8 filings). These aren't open-market trades and aren't counted above.

How to read insider trades

Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every PDFS insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.