Cabot Corp. planned insider sales
In the twelve months since 9 October 2025 insiders at Cabot Corp. filed 3 Form 144 notices of planned sales, 229,597 shares worth $19.6 million at the time of filing, from 1 seller. The latest, filed 28 August 2026: Keohane Sean D (officer, director), 134,895 shares worth $11.5 million, planned for around 28 August 2026 through Fidelity Brokerage Services LLC.
| Filed | Seller | Relationship | Shares | Value | Planned sale | Broker | How acquired | Filing |
|---|---|---|---|---|---|---|---|---|
| 28 August 2026 | Keohane Sean D | Officer, Director | 134,895 | $11.5 million | 28 August 2026 | Fidelity Brokerage Services LLC | Stock Option Exercise | Form 144 |
| 24 August 2026 | Keohane Sean D | Officer, Director | 2,779 | $237,604 | 24 August 2026 | Fidelity Brokerage Services LLC | Stock Option Exercise | Form 144 |
| 7 August 2026 | Keohane Sean D | Officer, Director | 91,923 | $7.9 million | 7 August 2026 | Fidelity Brokerage Services LLC | Stock Option Exercise | Form 144 |
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
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Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.Source
Form 144 filings on EDGAR for Cabot Corp.: the company's filing index, each notice read from its own XML.
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