| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in CBT over the last quarter tilts toward selling: insiders offloaded a net 229,597 shares worth roughly $19.6M.
Classified under Chemicals (Materials sector), CBT's insider flows are most useful compared with peers in the same group.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| VP | 86.3K | - | - | |
| CEO | 48.5K | $3.73M | - | |
| Dir | 41.5K | - | - | |
| Dir | 27.7K | - | - | |
| Dir | 22.3K | - | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 28, 2026 | Keohane Sean D | President And CEO | Sale+OE | 134,895 | $85.00 | $11,466,075.00 | -25.0% | - | - | |
| Aug 24, 2026 | Keohane Sean D | President And CEO | Sale+OE | 2,779 | $85.50 | $237,604.50 | -1.0% | - | - | |
| Aug 7, 2026 | Keohane Sean D | President And CEO | Sale+OE | 91,923 | $86.41 | $7,942,634.39 | -18.5% | - | - | |
| Aug 14, 2025 | Keohane Sean D | President And CEO | Sale+OE | 114,436 | $79.28 | $9,072,094.07 | -24.0% | -22.6% | +10.6% | |
| Nov 13, 2024 | Zhu Jeff Ji53 | Executive Vice President | Sell | 14,566 | $113.25 | $1,649,599.50 | -17.3% | -22.5% | -43.9% | |
| Nov 13, 2024 | Dumont Lisa M | VP, Controller &CAO | Sell | 865 | $111.74 | $96,655.10 | -8.2% | -22.5% | -43.9% | |
| Nov 11, 2024 | Kalkstein Hobart63 | Executive Vice President | Sale+OE | 34,759 | $115.23 | $4,005,182.31 | -40.7% | -25.9% | -47.3% | |
| Sep 3, 2024 | Keohane Sean D | President And CEO | Sale+OE | 25,617 | $101.55 | $2,601,368.20 | -7.2% | +11.1% | -20.5% | |
| Aug 27, 2024 | McLaughlin Erica52 | Executive Vice President, CFO | Sale+OE | 16,390 | $104.24 | $1,708,484.16 | -21.5% | +9.7% | -20.8% | |
| Aug 27, 2024 | Zhu Jeff Ji53 | Executive Vice President | Sell | 14,912 | $104.04 | $1,551,510.42 | -15.3% | +9.7% | -20.8% |