Zhang Shuo — SEC Form 4 filings
SEC reporting owner CIK 1782026. 5 Form 4 filings on record with FilingPulse; latest filed 2026-08-12.
Transaction summary — filings shown
Covers all 5 filings on record, filed 2024-06-04 to 2026-08-12. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 2 legs across 2 filings — 7,001 shares, $267,886 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 3.
- Largest priced transaction: sale of 5,500 shares @ $34.66 ($190,630) in PDF SOLUTIONS INC, filed 2024-06-04.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| PDF SOLUTIONS INC (PDFS) | Director | 5 | — | 2 legs · 7,001 sh · $267,886 | 3 |
Form 4 filings — Zhang Shuo
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-12 | 4 | PDF SOLUTIONS INC (PDFS) | Sale (S): 1,501 @ $51.47 | EDGAR |
| 2026-07-02 | 4 | PDF SOLUTIONS INC (PDFS) | Grant/award (A): 2,689 | EDGAR |
| 2025-07-02 | 4 | PDF SOLUTIONS INC (PDFS) | Grant/award (A): 7,429 | EDGAR |
| 2024-07-02 | 4 | PDF SOLUTIONS INC (PDFS) | Grant/award (A): 4,382 | EDGAR |
| 2024-06-04 | 4 | PDF SOLUTIONS INC (PDFS) | Sale (S): 5,500 @ $34.66 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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