CBTBasic MaterialsMid-Cap
CABOT CORP Insider Trading Activity
Every SEC Form 4 insider transaction reported for CABOT CORP (CBT), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are CBT insiders buying or selling?
CABOT CORP insiders reported 2 open-market buys ($464.3K) and 46 sells ($101.2M) across 48 Form 4 filings — a net selling position of $100.7M.
Source: SEC EDGAR Form 4
Key Statistics (as of Aug 31, 2026)
Total Form 4 filings
48
SEC EDGAR
Insider filers
12
Insider buys (2)
$464.3K
Insider sells (46)
$101.2M
Insider sentiment
Net sellingNet insider flow of $100.7M in net selling.
Recent CBT insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 31, 2026 | Sean D Keohane | President and CEO | Sale | 134.9K | $85.00 | $11.5M |
| Aug 26, 2026 | Sean D Keohane | President and CEO | Sale | 2.8K | $85.50 | $237.6K |
| Aug 11, 2026 | Sean D Keohane | President and CEO | Sale | 91.9K | $86.41 | $7.9M |
| Aug 15, 2025 | Sean D Keohane | President and CEO | Sale | 114.4K | $79.28 | $9.1M |
| Nov 14, 2024 | Jeff Ji Zhu | Executive Vice President | Sale | 14.6K | $113.25 | $1.6M |
| Nov 14, 2024 | Lisa M Dumont | VP, Controller & CAO | Sale | 865 | $111.74 | $96.7K |
| Nov 13, 2024 | Hobart Kalkstein | Executive Vice President | Sale | 34.8K | $115.23 | $4.0M |
| Sep 4, 2024 | Sean D Keohane | President and CEO | Sale | 25.6K | $101.55 | $2.6M |
| Aug 28, 2024 | Jeff Ji Zhu | Executive Vice President | Sale | 14.9K | $104.04 | $1.6M |
| Aug 28, 2024 | Erica Mclaughlin | Executive Vice President, CFO | Sale | 16.4K | $104.24 | $1.7M |
| Aug 21, 2024 | Hobart Kalkstein | Executive Vice President | Sale | 20.3K | $100.82 | $2.0M |
| Aug 12, 2024 | Erica Mclaughlin | Executive Vice President, CFO | Sale | 11.1K | $98.08 | $1.1M |
| Aug 8, 2024 | Erica Mclaughlin | Executive Vice President, CFO | Sale | 23.3K | $99.79 | $2.3M |
| May 17, 2024 | Hobart Kalkstein | Executive Vice President | Sale | 12.2K | $101.57 | $1.2M |
| May 13, 2024 | Karen A Kalita | SVP and General Counsel | Sale | 13.8K | $101.73 | $1.4M |
| Mar 11, 2024 | Hobart Kalkstein | Executive Vice President | Sale | 7.6K | $88.01 | $673.1K |
| Mar 4, 2024 | Sean D Keohane | President and CEO | Sale | 17.9K | $85.43 | $1.5M |
| Feb 15, 2024 | Jeff Ji Zhu | Executive Vice President | Sale | 55.2K | $79.91 | $4.4M |
| Dec 18, 2023 | Erica Mclaughlin | Executive Vice President, CFO | Sale | 36.1K | $81.79 | $3.0M |
| Nov 22, 2023 | Karen A Kalita | SVP and General Counsel | Sale | 22.6K | $77.78 | $1.8M |
| Nov 14, 2023 | Hobart Kalkstein | Executive Vice President | Sale | 50.7K | $73.90 | $3.7M |
| Mar 6, 2023 | Hobart Kalkstein | Executive Vice President | Sale | 10.0K | $83.00 | $832.6K |
| Jun 6, 2022 | Hobart Kalkstein | Senior Vice President | Sale | 17.2K | $77.86 | $1.3M |
| Jun 1, 2022 | Erica Mclaughlin | Senior Vice President, CFO | Sale | 9.1K | $76.91 | $701.6K |
| May 26, 2022 | Sean D Keohane | President and CEO | Sale | 14.3K | $69.15 | $988.6K |
Showing the 25 most recent of 48 Form 4 filings for CABOT CORP.
Most active CBT insiders
- Hobart Kalkstein13 filings
- Sean D Keohane8 filings
- Erica Mclaughlin5 filings
- Patrick M. Prevost5 filings
- Jeff Ji Zhu4 filings
Ask anything about CBT insider activity
Use Trabud's AI agent to query CABOT CORP's Form 4 history in plain English — "Show me CBT CEO purchases this year" or compare it against any other ticker.
Open the AI agentCBT insider trading FAQ
Are CABOT CORP insiders buying or selling?
Across 48 SEC Form 4 filings, CABOT CORP (CBT) insiders reported 2 open-market purchases totaling $464.3K and 46 sales totaling $101.2M. That is a net selling position of $100.7M.
How many insiders trade CBT stock?
12 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for CABOT CORP. The most recent filing was accepted on Aug 31, 2026.
Where does Trabud get CBT insider trading data?
All CBT insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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