Form 4 for CBT CABOT CORP
Accepted 2026-08-26 14:42:23 ET · period of report 2026-08-24 · accession 0001193125-26-367204 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-08-26 14:42 | 2026-08-24 | CBT | Keohane Sean D | Pres, CEO, Dir | M - OptEx | $50.00 | +2,779 | 291.7K | +1.0% | +$138.9K |
| D | 2026-08-26 14:42 | 2026-08-24 | CBT | Keohane Sean D | Pres, CEO, Dir | S - Sale+OE | $85.50 | -2,779 | 288.9K | -1.0% | -$237.6K |
| D | 2026-08-26 14:42 | 2026-08-24 | CBT | Keohane Sean D | Pres, CEO, Dir | M - OptEx | $0.00 | +2,779 | 134.9K | +2% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-24 | M | A | 2,779 | $50.00 | 291,652 | D | — | — | |
| 2 | Common | Common Stock | 2026-08-24 | S | D | 2,779 | $85.50 | 288,873 | D | — | — | |
| 3 | Derivative | Employee Stock Option (Right to Buy) | 2026-08-24 | M | A | 2,779 | $0.00 | 134,895 | D | $50.00 · — to 2028-11-08 | 2,779 Common Stock | (F1) 137,674 shares were subject to the option. The option vested over a three year period as follows: 30% on November 10, 2018, 30% on November 10, 2019, and 40% on November 10, 2020. |