Shuo Zhang
Shuo Zhang: Director at PDF Solutions. What Shuo Zhang holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
PDF Solutions (PDFS)
Shuo Zhang holds 23,380 PDF Solutions shares (0.06% of the company), worth about $1.3M at the last price, according to the Form 4 of Aug 12, 2026.
- Shares held: 23,380 (0.06%), $1.3M — Held in their own name.
Declarations
- PDF Solutions (PDFS) — Form 4 of Aug 12, 2026: open-market sale of 1,501 at $51.47; 23,380 shares after 0001437749-26-027449
- PDF Solutions (PDFS) — Form 4 of Jul 1, 2026: grant or award of 2,689; 24,881 shares after 0001437749-26-022547
- PDF Solutions (PDFS) — Form 4 of Jul 1, 2025: grant or award of 7,429; 22,192 shares after 0001437749-25-021964
- PDF Solutions (PDFS) — Form 4 of Jul 1, 2024: grant or award of 4,382; 14,763 shares after 0001415889-24-018716
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.
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