CBT insider trading — Cabot Corp
Over the last 90 days, insiders at Cabot Corp (CBT) made 0 open-market purchases worth $0 and 3 open-market sales worth $19.65M, making them net sellers by $19.65M. The largest sale was by Keohane Sean D (President and CEO), who sold 134,895 shares for $11.47M on Aug 28, 2026.
Updated Oct 16, 2026.
Recent CBT insider transactions
Every Form 4 filed by Cabot Corp officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Aug 28, 2026 | Keohane Sean D | President and CEO | M · Option exercise | Direct | 134,895 | $50.00 | $6.74M | Form 4 |
| Aug 28, 2026 | Keohane Sean D | President and CEO | S · Sale | Direct | 134,895 | $85.00 | $11.47M | Form 4 |
| Aug 24, 2026 | Keohane Sean D | President and CEO | M · Option exercise | Direct | 2,779 | $50.00 | $139K | Form 4 |
| Aug 24, 2026 | Keohane Sean D | President and CEO | S · Sale | Direct | 2,779 | $85.50 | $238K | Form 4 |
| Aug 7, 2026 | Keohane Sean D | President and CEO | M · Option exercise | Direct | 91,923 | $62.24 | $5.72M | Form 4 |
| Aug 7, 2026 | Keohane Sean D | President and CEO | S · Sale | Direct | 91,923 | $86.41 | $7.94M | Form 4 |
CBT insider trading FAQ
Are insiders buying CBT stock?
Not on the open market. In the last 90 days, Cabot Corp insiders made no open-market purchases, and 3 open-market sales totaling $19.65M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading CBT?
Recent sellers: Keohane Sean D.
Where does CBT insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.