Cabot (NYSE: CBT) CEO sells 2,779 shares after $50 option exercise
Rhea-AI Filing Summary
CABOT CORP (CBT) reported that President and CEO Sean D. Keohane exercised employee stock options and sold the resulting shares. On 2026-08-24 he exercised options for 2,779 shares of common stock at an exercise price of $50.00 per share, and the same day sold 2,779 shares of common stock at $85.50 per share. Following the option exercise, he held 134,895 option shares tied to that grant, and separately reported 14,263.7411 shares of common stock held indirectly through the trustee for the company’s 401(k) plan. A footnote states the original option covered 137,674 shares and vested over three years from 2018 to 2020.
Positive
- None.
Negative
- None.
Insider Trade Summary
Exercise and Sale: 2,779 shares ($99K approx. pre-tax spread)
Exercise and Sale
4 txns
Insider
Keohane Sean D
Role
President and CEO
Sold
2,779 shs ($238K)
Approx. gross sale proceeds
$238K
Approx. exercise cost
$139K
Approx. pre-tax spread
$99K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Employee Stock Option (Right to Buy) F1 | 2,779 | $0.00 | $0.00 |
| Exercise | Common Stock | 2,779 | $50.00 | $139K |
| Sale | Common Stock | 2,779 | $85.50 | $238K |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Employee Stock Option (Right to Buy) — 134,895 shares (Direct);
Common Stock — 288,873 shares (Direct);
Common Stock — 14,263.7411 shares (Indirect, Through the Trustee for the Corporation's 401(k) Plan)
Footnotes (1)
- 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.
Key Figures
Options Exercised: 2,779 shares
Option Exercise Price: $50.00 per share
Shares Sold: 2,779 shares
+4 more
7 metrics
Options Exercised
2,779 shares
Employee stock option exercise on 2026-08-24
Option Exercise Price
$50.00 per share
Exercise price of employee stock options
Shares Sold
2,779 shares
Common stock sale on 2026-08-24
Sale Price
$85.50 per share
Reported transaction price for common stock sale
Options Held After Transaction
134,895 shares
Shares subject to the option following the exercise
Indirect 401(k) Holdings
14,263.7411 shares
Common stock held through the trustee for the corporation's 401(k) plan
Original Option Grant Size
137,674 shares
Total shares subject to the option, per footnote
Key Terms
Employee Stock Option, derivative security, indirect ownership, 401(k) Plan
4 terms
Employee Stock Option financial
"security_title: "Employee Stock Option (Right to Buy)""
An employee stock option is a promise that lets a worker buy company shares later at a predetermined price, often after they stay for a certain period or meet performance goals — think of it like a coupon that locks in today's price for a future purchase. It matters to investors because options align employees’ incentives with company performance, can increase the number of shares outstanding (dilution) when exercised, and represent a compensation cost that affects reported profits and shareholder value.
derivative security financial
"transaction_code_description: "Exercise or conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
indirect ownership financial
""ownership_type": "indirect" for shares held through 401(k) plan"
401(k) Plan financial
"nature_of_ownership: "Through the Trustee for the Corporation's 401(k) Plan""
A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.
FAQ
What insider transaction did CBT CEO Sean D. Keohane report on this Form 4?
He reported exercising employee stock options for 2,779 shares of Cabot common stock at an exercise price of $50.00 per share and selling 2,779 shares of common stock on 2026-08-24 at $85.50 per share.
What were the key prices in Sean D. Keohane’s Cabot (CBT) Form 4 transactions?
The employee stock options had an exercise price of $50.00 per share. The related sale of Cabot common stock was reported at a transaction price of $85.50 per share.
What was the size and vesting of the original Cabot (CBT) option grant in this Form 4?
A footnote states the original option covered 137,674 shares and vested over three years: 30% on November 10, 2018, 30% on November 10, 2019, and 40% on November 10, 2020.
AI-generated analysis. How Rhea-AI works. Not financial advice.