Sean D. Keohane
President and CEO at Cabot Corporation
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Cabot Corporation, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Cabot Corporation March 12, 202698.8%
-
Cabot Corporation March 9, 202399.0%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 28, 2026 | Cabot Corporation | Option exercise | +134,895 | $50.00 | $6,744,750 |
| Aug 28, 2026 | Cabot Corporation | Open-market sale | −134,895 | $85.00 | $11,466,075 |
| Aug 24, 2026 | Cabot Corporation | Option exercise | +2,779 | $50.00 | $138,950 |
| Aug 24, 2026 | Cabot Corporation | Open-market sale | −2,779 | $85.50 | $237,605 |
| Aug 7, 2026 | Cabot Corporation | Option exercise | +91,923 | $62.24 | $5,721,288 |
| Aug 7, 2026 | Cabot Corporation | Open-market sale | −91,923 | $86.41 | $7,943,066 |
| May 6, 2026 | The Chemours Company | Grant or award | +7,182 | — | — |
| Nov 19, 2025 | Cabot Corporation | Grant or award | +32,630 | — | — |
| Nov 19, 2025 | Cabot Corporation | Grant or award | +30,932 | — | — |
| Nov 19, 2025 | Cabot Corporation | Shares withheld for tax | −10,338 | $59.76 | $617,799 |
| Nov 11, 2025 | Cabot Corporation | Shares withheld for tax | −10,608 | $61.41 | $651,437 |
| Aug 14, 2025 | Cabot Corporation | Option exercise | +87,981 | $50.46 | $4,439,521 |
| Aug 14, 2025 | Cabot Corporation | Open-market sale | −80,304 | $79.24 | $6,363,289 |
| Aug 14, 2025 | Cabot Corporation | Open-market sale | −7,677 | $79.62 | $611,243 |
| Aug 14, 2025 | Cabot Corporation | Option exercise | +26,455 | $49.26 | $1,303,173 |
Questions about Sean D. Keohane
What boards is Sean D. Keohane on?
Sean D. Keohane sits on the boards of Cabot Corporation and The Chemours Company.
What company is Sean D. Keohane the CEO of?
Sean D. Keohane is President and CEO of Cabot Corporation.
How long has Sean D. Keohane served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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