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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 CSPI
| Traded | Insider | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 472 | $7.96 | $3,757 Buy | Form 4 ↗ |
| Sep 15, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 28 | $7.90 | $221 Buy | Form 4 ↗ |
| Sep 14, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 500 | $7.90 | $3,950 Buy | Form 4 ↗ |
| Sep 11, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,000 | $7.90 | $7,900 Buy | Form 4 ↗ |
| Sep 11, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,000 | $7.85 | $7,850 Buy | Form 4 ↗ |
| Sep 11, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,600 | $7.75 | $12.4K Buy | Form 4 ↗ |
| Jun 10, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 100 | $8.32 | $832 Buy | Form 4 ↗ |
| Jun 10, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 71 | $8.30 | $589 Buy | Form 4 ↗ |
| Jun 9, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 199 | $8.05 | $1,602 Buy | Form 4 ↗ |
| Jun 9, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 700 | $8.69 | $6,083 Buy | Form 4 ↗ |
| Jun 8, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 800 | $8.40 | $6,720 Buy | Form 4 ↗ |
| Jun 8, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 500 | $8.60 | $4,300 Buy | Form 4 ↗ |
| Jun 8, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,000 | $8.75 | $8,750 Buy | Form 4 ↗ |
| May 15, 2026 | Anthony Folger Director | CSPI CSP Inc. | Buy | 2,500 | $9.36 | $23.4K Buy | Form 4 ↗ |
| May 13, 2026 | Ismail Azeri Director | CSPI CSP Inc. | Buy | 218 | $9.41 | $2,051 Buy | Form 4 ↗ |
| May 13, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 500 | $9.26 | $4,630 Buy | Form 4 ↗ |
| May 13, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 400 | $9.19 | $3,676 Buy | Form 4 ↗ |
| May 12, 2026 | Stephen J. Webber Director | CSPI CSP Inc. | Buy | 2,500 | $9.48 | $23.7K Buy | Form 4 ↗ |
| May 12, 2026 | Ismail Azeri Director | CSPI CSP Inc. | Buy | 2,282 | $9.38 | $21.4K Buy | Form 4 ↗ |
| May 12, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 200 | $9.15 | $1,830 Buy | Form 4 ↗ |
| May 12, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 800 | $9.30 | $7,440 Buy | Form 4 ↗ |
| May 11, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 500 | $9.20 | $4,600 Buy | Form 4 ↗ |
| May 11, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 348 | $9.18 | $3,195 Buy | Form 4 ↗ |
| May 11, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,500 | $9.22 | $13.8K Buy | Form 4 ↗ |
| Mar 13, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 200 | $8.59 | $1,718 Buy | Form 4 ↗ |
| Mar 12, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 407 | $8.45 | $3,439 Buy | Form 4 ↗ |
| Mar 12, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 500 | $8.58 | $4,290 Buy | Form 4 ↗ |
| Mar 11, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 400 | $8.48 | $3,392 Buy | Form 4 ↗ |
| Mar 11, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 300 | $8.45 | $2,535 Buy | Form 4 ↗ |
| Mar 11, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 400 | $8.50 | $3,400 Buy | Form 4 ↗ |
| Feb 25, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 100 | $8.70 | $870 Buy | Form 4 ↗ |
| Feb 25, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 200 | $8.75 | $1,750 Buy | Form 4 ↗ |
| Feb 25, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 500 | $8.80 | $4,400 Buy | Form 4 ↗ |
| Feb 25, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 200 | $8.95 | $1,790 Buy | Form 4 ↗ |
| Feb 25, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 300 | $8.92 | $2,676 Buy | Form 4 ↗ |
| Feb 25, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 200 | $8.92 | $1,784 Buy | Form 4 ↗ |
| Feb 24, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 500 | $8.79 | $4,395 Buy | Form 4 ↗ |
| Feb 24, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 500 | $8.72 | $4,360 Buy | Form 4 ↗ |
| Feb 24, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 500 | $8.69 | $4,345 Buy | Form 4 ↗ |
| Feb 19, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 400 | $9.13 | $3,652 Buy | Form 4 ↗ |
| Feb 19, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 112 | $9.18 | $1,028 Buy | Form 4 ↗ |
| Feb 18, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 800 | $9.12 | $7,296 Buy | Form 4 ↗ |
| Feb 18, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,000 | $9.21 | $9,210 Buy | Form 4 ↗ |
| Feb 18, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,300 | $9.20 | $12.0K Buy | Form 4 ↗ |
| Feb 18, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,000 | $9.30 | $9,300 Buy | Form 4 ↗ |
| Feb 17, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 900 | $9.15 | $8,235 Buy | Form 4 ↗ |
| Feb 17, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,800 | $9.21 | $16.6K Buy | Form 4 ↗ |
| Feb 17, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,000 | $9.27 | $9,270 Buy | Form 4 ↗ |
| Feb 17, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,200 | $9.18 | $11.0K Buy | Form 4 ↗ |
| Feb 17, 2026 | Joseph R. Nerges 10% owner | CSPI CSP Inc. | Buy | 1,500 | $9.32 | $14.0K Buy | Form 4 ↗ |
The newest 50 items, most recent first. Every row links to its original filing. Updated Nov 15, 2026, 5:45 PM EST.
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