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Insider trades
Open-market buys and sells by officers, directors and 10% owners, from SEC Form 4. Usually filed within two business days.
About this data
- What it is
- When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
- Who files it
- The insider, usually through the company, within two business days of the trade.
- How current
- We collect new filings throughout the day on SEC business days.
- Worth knowing
- Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.
All of this comes from public filings.
Source and freshness · Information, not investment advice (disclaimer).
Open-market trades per day, last 30 days
Purchases Sales
By trade date. Insiders have two business days to file, so the most recent days fill in later.
Latest open-market insider trades
Showing: ticker PDFS
| Traded | Insider | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Aug 31, 2026 | Andrzej Strojwas Chief Technology Officer | PDFS PDF Solutions, Inc. | Sale | 3,394 | $44.41 | $150.7K Sale | Form 4 ↗ |
| Aug 12, 2026 | Shuo Zhang Director | PDFS PDF Solutions, Inc. | Sale | 1,501 | $51.47 | $77.3K Sale | Form 4 ↗ |
| May 13, 2025 | Michael B. Gustafson Director | PDFS PDF Solutions, Inc. | Buy | 7,500 | $19.45 | $145.9K Buy | Form 4 ↗ |
| Feb 25, 2025 | John Kachig Kibarian PRESIDENT AND CEO, Director | PDFS PDF Solutions, Inc. | Buy | 15,644 | $22.11 | $345.9K Buy | Form 4 ↗ |
| Feb 24, 2025 | Michael B. Gustafson Director | PDFS PDF Solutions, Inc. | Buy | 4,000 | $23.06 | $92.2K Buy | Form 4 ↗ |
| Feb 24, 2025 | John Kachig Kibarian PRESIDENT AND CEO, Director | PDFS PDF Solutions, Inc. | Buy | 34,356 | $22.80 | $783.3K Buy | Form 4 ↗ |
| Dec 17, 2024 | Andrzej Strojwas CTO | PDFS PDF Solutions, Inc. | Sale | 6,008 | $30.36 | $182.4K Sale | Form 4 ↗ |
| Dec 17, 2024 | Andrzej Strojwas CTO | PDFS PDF Solutions, Inc. | Sale | 245 | $31.17 | $7,637 Sale | Form 4 ↗ |
| Dec 16, 2024 | Andrzej Strojwas CTO | PDFS PDF Solutions, Inc. | Sale | 5,030 | $30.85 | $155.2K Sale | Form 4 ↗ |
| Dec 11, 2024 | Nancy Erba Director | PDFS PDF Solutions, Inc. | Sale | 2,000 | $30.81 | $61.6K Sale | Form 4 ↗ |
10 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 4:22 PM EST.
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