Updated Jul 16, 2026
Keohane Sean D has filed 3 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $9.07M.
Sean D. Keohane is the President and CEO of Cabot Corporation, a global leader in the manufacturing of specialty chemicals and materials. He has held various leadership roles within the company and has been instrumental in driving its growth and innovation.
| Role | Insider |
|---|---|
| Notability | 50/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-08 | CC | Chemours Co | A — Grant or award | 7.2K | $0.00 | |
| 2025-11-21 | CBT | CABOT CORP | F — Tax withholding / forfeiture | 10.3K | $59.76 | $618K |
| 2025-11-21 | CBT | CABOT CORP | A — Grant or award | 30.9K | $0.00 | |
| 2025-11-21 | CBT | CABOT CORP | A — Grant or award | 32.6K | $0.00 | |
| 2025-11-12 | CBT | CABOT CORP | F — Tax withholding / forfeiture | 10.6K | $61.41 | $651K |
| 2025-08-14 | CBT | CABOT CORP | S — Open-market sale | 2.4K | $79.63 | $189K |
| 2025-08-14 | CBT | CABOT CORP | S — Open-market sale | 24.1K | $79.25 | $1.91M |
| 2025-08-14 | CBT | CABOT CORP | M — Option exercise | 26.5K | $49.26 | $1.30M |
| 2025-08-14 | CBT | CABOT CORP | S — Open-market sale | 7.7K | $79.62 | $611K |
| 2025-08-14 | CBT | CABOT CORP | S — Open-market sale | 80.3K | $79.24 | $6.36M |
| 2025-08-14 | CBT | CABOT CORP | M — Option exercise | 88.0K | $50.46 | $4.44M |
| 2024-11-20 | CBT | CABOT CORP | F — Tax withholding / forfeiture | 20.6K | $108.82 | $2.25M |
| 2024-11-20 | CBT | CABOT CORP | A — Grant or award | 45.8K | $0.00 | |
| 2024-11-13 | CBT | CABOT CORP | F — Tax withholding / forfeiture | 11.8K | $112.54 | $1.33M |
| 2024-11-13 | CBT | CABOT CORP | A — Grant or award | 17.0K | $0.00 |
Sean D. Keohane is the President and CEO of Cabot Corporation, a global leader in the manufacturing of specialty chemicals and materials. He has held various leadership roles within the company and has been instrumental in driving its growth and innovation.…
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 4 open-market sales ($9.07M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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