Form 4 for CBT CABOT CORP
Accepted 2025-08-15 00:00:00 ET · period of report 2025-08-14 · accession 0001435737-25-000006 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-08-15 | 2025-08-14 | CBT | Keohane Sean D | Pres, CEO, Dir | S - Sale+OE | $79.28 | -114.4K | 363.9K | -24% | -$9.07M |
| DM | 2025-08-15 | 2025-08-14 | CBT | Keohane Sean D | Pres, CEO, Dir | M - OptEx | $50.18 | +114.4K | 388.0K | +42% | +$5.74M |
| DM | 2025-08-15 | 2025-08-14 | CBT | Keohane Sean D | Pres, CEO, Dir | M - OptEx | $0.00 | +114.4K | 0 | New | $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 | 2025-08-14 | S | D | 2,369 | $79.63 | 361,518 | D | — | — | (F4) The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $79.580 to $79.740, inclusive. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the Corporation or any security holder of the Corporation, upon request, full information regarding the number of shares sold at each separate price. |
| 2 | Common | Common Stock | 2025-08-14 | M | A | 87,981 | $50.46 | 449,499 | D | — | — | |
| 3 | Common | Common Stock | 2025-08-14 | S | D | 80,304 | $79.24 | 369,195 | D | — | — | (F1) The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $78.570 to $79.565, inclusive. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the Corporation or any security holder of the Corporation, upon request, full information regarding the number of shares sold at each separate price. |
| 4 | Common | Common Stock | 2025-08-14 | S | D | 7,677 | $79.62 | 361,518 | D | — | — | (F2) The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $79.570 to $79.690, inclusive. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the Corporation or any security holder of the Corporation, upon request, full information regarding the number of shares sold at each separate price. |
| 5 | Common | Common Stock | 2025-08-14 | M | A | 26,455 | $49.26 | 387,973 | D | — | — | |
| 6 | Common | Common Stock | 2025-08-14 | S | D | 24,086 | $79.25 | 363,887 | D | — | — | (F3) The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $78.580 to $79.570, inclusive. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the Corporation or any security holder of the Corporation, upon request, full information regarding the number of shares sold at each separate price. |
| 7 | Derivative | Employee Stock Option (Right to Buy) | 2025-08-14 | M | A | 87,981 | $0.00 | 0 | D | $50.46 · — to 2026-11-10 | 87,981 Common Stock | (F6) 87,981 shares were subject to the option. The option vested over a three year period as follows: 30% on November 11, 2017, 30% on November 11, 2018 and 40% on November 11, 2019. |
| 8 | Derivative | Employee Stock Option (Right to Buy) | 2025-08-14 | M | A | 26,455 | $0.00 | 0 | D | $49.26 · — to 2026-03-20 | 26,455 Common Stock | (F5) 26,455 shares were subject to the option. The option vested over a three year period as follows: 30% on March 21, 2017, 30% on March 21, 2018 and 40% on March 21, 2019. |