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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 CBT
| Traded | Insider | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Aug 28, 2026 | Sean D. Keohane President and CEO, Director | CBT Cabot Corporation | Sale | 134,895 | $85.00 | $11.5M Sale | Form 4 ↗ |
| Aug 24, 2026 | Sean D. Keohane President and CEO, Director | CBT Cabot Corporation | Sale | 2,779 | $85.50 | $237.6K Sale | Form 4 ↗ |
| Aug 7, 2026 | Sean D. Keohane President and CEO, Director | CBT Cabot Corporation | Sale | 91,923 | $86.41 | $7.9M Sale | Form 4 ↗ |
| Aug 14, 2025 | Sean D. Keohane President and CEO, Director | CBT Cabot Corporation | Sale | 2,369 | $79.63 | $188.6K Sale | Form 4 ↗ |
| Aug 14, 2025 | Sean D. Keohane President and CEO, Director | CBT Cabot Corporation | Sale | 24,086 | $79.25 | $1.9M Sale | Form 4 ↗ |
| Aug 14, 2025 | Sean D. Keohane President and CEO, Director | CBT Cabot Corporation | Sale | 7,677 | $79.62 | $611.2K Sale | Form 4 ↗ |
| Aug 14, 2025 | Sean D. Keohane President and CEO, Director | CBT Cabot Corporation | Sale | 80,304 | $79.24 | $6.4M Sale | Form 4 ↗ |
| Nov 13, 2024 | Jeff Ji Zhu Executive Vice President | CBT Cabot Corporation | Sale | 14,566 | $113.25 | $1.6M Sale | Form 4 ↗ |
| Nov 13, 2024 | Lisa M. Dumont VP, Controller & CAO | CBT Cabot Corporation | Sale | 865 | $111.74 | $96.7K Sale | Form 4 ↗ |
| Nov 11, 2024 | Hobart Kalkstein Executive Vice President | CBT Cabot Corporation | Sale | 8,390 | $115.02 | $965.0K Sale | Form 4 ↗ |
| Nov 11, 2024 | Hobart Kalkstein Executive Vice President | CBT Cabot Corporation | Sale | 12,178 | $115.00 | $1.4M Sale | Form 4 ↗ |
| Nov 11, 2024 | Hobart Kalkstein Executive Vice President | CBT Cabot Corporation | Sale | 14,191 | $115.54 | $1.6M Sale | Form 4 ↗ |
12 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 5:51 PM EST.
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