Form 4: Cabot CEO Sells Shares
Insider Transaction (Form 4)
Sean D Keohane, President and CEO and a Director of Cabot Corp, sold 134,895 shares of common stock on August 28, 2026 for $85.00 per share.
Summary
- Option exercise/conversion: acquired 134,895 Common Stock at $50.00 ($6,744,750) on August 28, 2026; holds 539,029 after (Direct).
- Open-market sale: disposed of 134,895 Common Stock at $85.00 ($11,466,075) on August 28, 2026; holds 404,134 after (Direct).
- Option exercise/conversion: disposed of 134,895 Employee Stock Option (Right to Buy) on August 28, 2026 (Direct).
Sentiment
Score: 2
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $11,466,075 of stock on the open market.
Insider Transactions
Sean D Keohane — Director, Officer (President and CEO)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-28 | Option exercise/conversion | Common Stock | 134,895 | $50 | $6.7M | 539,029 |
| 2026-08-28 | Open-market sale | Common Stock | 134,895 | $85 | $11.5M | 404,134 |
| 2026-08-28 | Option exercise/conversion | Employee Stock Option (Right to Buy) | 134,895 | — | — | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-28 | Option exercise/conversion (134,895 shares) |
| 2026-08-28 | Open-market sale (134,895 shares) |
| 2026-08-28 | Option exercise/conversion (134,895 shares) |
Keywords
insider transaction, Form 4, CBT, CABOT CORP, bearish, Sean D Keohane
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