Keohane Sean D (CIK 1435737) reported 12 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-08). Recent activity: Buy CC (7,182 shares), Buy CBT (32,630 shares), Buy CBT (30,932 shares), Sell CBT (10,338 shares), Sell CBT (10,608 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-08 | Chemours Co (CC) | Director | Buy | 7,182 | $0 |
| 2025-11-21 | CABOT CORP (CBT) | President and CEO | Buy | 32,630 | $0 |
| 2025-11-21 | CABOT CORP (CBT) | President and CEO | Buy | 30,932 | $0 |
| 2025-11-21 | CABOT CORP (CBT) | President and CEO | Sell | 10,338 | $617,799 |
| 2025-11-12 | CABOT CORP (CBT) | President and CEO | Sell | 10,608 | $651,437 |
| 2025-08-15 | CABOT CORP (CBT) | President and CEO | Buy | 87,981 | $4.4M |
| 2025-08-15 | CABOT CORP (CBT) | President and CEO | Sell | 80,304 | $6.4M |
| 2025-08-15 | CABOT CORP (CBT) | President and CEO | Sell | 7,677 | $611,243 |
| 2025-08-15 | CABOT CORP (CBT) | President and CEO | Buy | 26,455 | $1.3M |
| 2025-08-15 | CABOT CORP (CBT) | President and CEO | Sell | 24,086 | $1.9M |
| 2025-08-15 | CABOT CORP (CBT) | President and CEO | Sell | 2,369 | $188,643 |
| 2025-04-24 | Chemours Co (CC) | Director | Buy | 14,096 | $0 |
Source: SEC Form 4 filings · as of 2026-05-08