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Zhang Shuo insider trades
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Zhang Shuo insider trades

Zhang Shuo has filed 11 Form 4s with the SEC that we hold, all for Pdf Solutions INC (PDFS), as Director. Across all of them we count 0 purchases worth $0 and 5 sales worth $711.3K reported on Form 4. In the last 12 months: 0 purchases ($0) and 1 sale ($77.3K). The largest single trade was a sale of 11,017 shares of Pdf Solutions INC worth $280.9K, dated 2022-03-15. The first filing on our record is dated 2021-07-02 and the latest 2026-08-12.

Pdf Solutions INC (PDFS)

Director · 11 filings · 5 purchases and sales
Trade dateCodeSharesValue as filedFiledSource
2022-03-15S, sale reported on Form 411,017$280.9K2022-03-17SEC
2022-11-16S, sale reported on Form 42,000$59.7K2022-11-17SEC
2023-08-18S, sale reported on Form 43,047$102.8K2023-08-21SEC
2024-06-03S, sale reported on Form 45,500$190.6K2024-06-04SEC
2026-08-12S, sale reported on Form 41,501$77.3K2026-08-12SEC
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1782026) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-27 · For informational purposes only, not investment advice.
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