Sean D Keohane sold $11M of CBT
President and CEO at CABOT CORP. 134,895 shares at an average of $85.00, traded Aug 28, 2026, filed Aug 31, 2026.
Score components
- +25RoleCEO
- +25Trade size$11.5M at market
- +10Share of holdings soldSold 25% of holdings
- 0ClusterNo other insider selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-26-377202, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 28, 2026 | MOption exercise Common Stock | +134,895 | $50.00 | $6.7M | 539,029 | Aug 31, 2026 |
| Aug 28, 2026 | SOpen-market sale Common Stock | -134,895 | $85.00 | $11M | 404,134 | Aug 31, 2026 |
| Aug 28, 2026 | MOption exercise Employee Stock Option (Right to Buy)derivative | -134,895 | $0.00 | $0 | 0 | Aug 31, 2026 |
Related signals
Other insiders at CABOT CORP and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 23Weak | CBTsell CABOT CORP | Sean D Keohane President and CEO | $238k 2,779 shares | -1% | |
| 40Moderate | CBTsell CABOT CORP | Sean D Keohane President and CEO | $7.9M 91,923 shares | -19% | |
| 45Moderate | CBTsell CABOT CORP | Sean D Keohane President and CEO | $9.1M 114,436 shares | -25% | |
| 40Moderate | CABOT CORP | Lisa M Dumont VP, Controller & CAO | $97k 865 shares | -8% | |
| 60Notable | CABOT CORP | Jeff Ji Zhu Executive Vice President | $1.6M 14,566 shares | -17% | |
| 60Notable | CABOT CORP | Hobart Kalkstein Executive Vice President | $4.0M 34,759 shares | -54% | |
| 50Moderate | CABOT CORP | Sean D Keohane President and CEO | $2.6M 25,617 shares | -7% | |
| 57Moderate | CABOT CORP | Erica McLaughlin Executive Vice President, CFO | $1.7M 16,390 shares | -25% | |
| 60Notable | CABOT CORP | Jeff Ji Zhu Executive Vice President | $1.6M 14,912 shares | -15% | |
| 50Moderate | CABOT CORP | Hobart Kalkstein Executive Vice President | $2.0M 20,320 shares | -27% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.