Cabot CEO exercises 134,895 options, sells shares
CABOT CORP (CBT) reported insider transactions by President and CEO Sean D. Keohane.
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Form Type
4
Rhea-AI Filing Summary
CABOT CORP (CBT) reported insider transactions by President and CEO Sean D. Keohane. On 2026-08-28, he exercised an Employee Stock Option to acquire 134,895 shares of common stock at an exercise price of $50.00 per share, eliminating his holdings in that option grant. The same day, he sold 134,895 shares of CABOT CORP common stock at a price of $85.00 per share. Following these transactions, he also reported 14,263.7411 shares of common stock held indirectly through the trustee for the corporation's 401(k) plan.
Insider Trade Summary
Exercise and Sale: 134,895 shares ($4.72M approx. pre-tax spread)
Exercise and Sale
4 txns
Insider
Keohane Sean D
Role
President and CEO
Sold
134,895 shs ($11.47M)
Approx. gross sale proceeds
$11.47M
Approx. exercise cost
$6.74M
Approx. pre-tax spread
$4.72M
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Employee Stock Option (Right to Buy) F1 | 134,895 | $0.00 | $0.00 |
| Exercise | Common Stock | 134,895 | $50.00 | $6.74M |
| Sale | Common Stock | 134,895 | $85.00 | $11.47M |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Employee Stock Option (Right to Buy) — 0 contracts (Direct);
Common Stock — 404,134 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 9, 2019, 30% on November 9, 2020, and 40% on November 9, 2021.
Key Figures
Options exercised (shares): 134,895 shares
Option exercise price: $50.00 per share
Shares sold: 134,895 shares
+4 more
7 metrics
Options exercised (shares)
134,895 shares
Employee Stock Option (Right to Buy) exercised on 2026-08-28
Option exercise price
$50.00 per share
Exercise price for Employee Stock Option converted into common stock
Shares sold
134,895 shares
Common stock sale on 2026-08-28 following option exercise
Sale price
$85.00 per share
Price received per share for common stock sold on 2026-08-28
Indirect 401(k) holdings
14,263.7411 shares
Common stock held indirectly through the trustee for the corporation's 401(k) plan after transactions
Option shares following transaction
0 shares
Total shares of the reported Employee Stock Option after the 2026-08-28 exercise
Original option grant size
137,674 shares
Footnote states shares subject to the option that vested over three years
Key Terms
Employee Stock Option (Right to Buy), Exercise or conversion of derivative security, indirect ownership, 401(k) Plan, +1 more
5 terms
Employee Stock Option (Right to Buy) financial
"security_title: "Employee Stock Option (Right to Buy)""
Exercise or conversion of derivative security financial
"transaction_code_description: "Exercise or conversion of derivative security""
indirect ownership financial
"ownership_type: "indirect" with nature "Through the Trustee for the Corporation's 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.
Rule 10b5-1 regulatory
"aff_10b5_one field indicates Rule 10b5-1 plan status"
Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transaction did CABOT CORP (CBT) report for Sean D. Keohane?
Sean D. Keohane, President and CEO of CABOT CORP, exercised options for 134,895 shares of common stock at $50.00 per share and sold 134,895 shares at $85.00 per share on 2026-08-28.
How many CABOT CORP (CBT) options did Sean D. Keohane exercise in this Form 4?
He exercised 134,895 options, each convertible into one share of CABOT CORP common stock, at an exercise price of $50.00 per share, resulting in the same number of common shares acquired before sale.
Did Sean D. Keohane retain any indirect holdings of CABOT CORP (CBT) after the reported transactions?
Yes. After the reported transactions, he held 14,263.7411 shares of CABOT CORP common stock indirectly through the trustee for the corporation's 401(k) plan.
Were any CABOT CORP (CBT) derivative securities remaining from the exercised option grant?
The Form 4 shows the employee stock option position with 0 shares following the exercise of 134,895 options, indicating no remaining shares reported for that option grant.
Was the CABOT CORP (CBT) Form 4 transaction under a Rule 10b5-1 trading plan?
No. The Rule 10b5-1 checkbox is shown as false, indicating the transactions were not affirmed as being made under a Rule 10b5-1 trading plan in this filing.
AI-generated analysis. How Rhea-AI works. Not financial advice.
