PDF Solutions (PDFS) insider trading
9 directors and officers declare holding shares of PDF Solutions (PDFS), each in their own filing with the SEC. The largest is Kimon Michaels (EVP of Products and Solutions · Director) with 1.6M shares, 3.7% of the company, worth $85.5M at the last close. The most recent move on file: Andrzej Strojwas sold 3,394 shares at $44.41 on Aug 31, 2026. Of the 9 with a trade on file, 5 last bought and 4 last sold. Purchases and sales are as reported on Forms 3, 4 and 5 — the SEC counts private transactions too, and many large sales follow a plan arranged in advance. Holdings are never added up: two spouses often report the same shares, and a joint filing carries a fund's.
| Insider | Role | Shares | % of company | Value | Last trade on file | Filed |
|---|---|---|---|---|---|---|
| Kimon Michaels | EVP of Products and Solutions · Director | 1.6M | 3.7% | $85.5M | sold 5,070 shares on Dec 9, 2025 | Dec 9, 2025 |
| Adnan Raza | EVP, Finance and CFO | 111,947 | 0.27% | $6.1M | sold 6,010 shares at $66.88 on Jul 1, 2026 | Jul 1, 2026 |
| Andrzej Strojwas | Chief Technology Officer | 90,965 | 0.22% | $4.9M | sold 3,394 shares at $44.41 on Aug 31, 2026 | Aug 31, 2026 |
| Nancy Erba | Director | 43,811 | 0.10% | $2.4M | bought 2,689 shares on Jul 1, 2026 | Jul 1, 2026 |
| Joseph R. Bronson | Director | 40,956 | 0.10% | $2.2M | bought 2,689 shares on Jul 1, 2026 | Jul 1, 2026 |
| Michael B. Gustafson | Director | 40,192 | 0.10% | $2.2M | bought 2,689 shares on Jul 1, 2026 | Jul 1, 2026 |
| Ye Jane Li | Director | 26,632 | 0.06% | $1.4M | bought 2,689 shares on Jul 1, 2026 | Jul 1, 2026 |
| Chi-Foon Chan | Director | 24,168 | 0.06% | $1.3M | bought 2,689 shares on Jul 1, 2026 | Jul 1, 2026 |
| Shuo Zhang | Director | 23,380 | 0.06% | $1.3M | sold 1,501 shares at $51.47 on Aug 12, 2026 | Aug 12, 2026 |
Each insider at PDF Solutions
- Kimon Michaels — EVP of Products and Solutions · Director
- Adnan Raza — EVP, Finance and CFO
- Andrzej Strojwas — Chief Technology Officer
- Nancy Erba — Director
- Joseph R. Bronson — Director
- Michael B. Gustafson — Director
- Ye Jane Li — Director
- Chi-Foon Chan — Director
- Shuo Zhang — Director
No longer filing
- John Kachig Kibarian — PRESIDENT AND CEO · Director
What insiders bought and sold across AI stocks · All filings on sec.gov