Form 4: Cabot SVP Masterson Boosts Stake with Stock & Options
Insider Transaction Report
Cabot Corporation Senior Vice President William F. Masterson III reported the acquisition of common stock and employee stock options, increasing his beneficial ownership.
Summary
- William F. Masterson III, Senior Vice President of Cabot Corporation, reported transactions on December 3, 2025.
- Acquired 3,486 shares of Common Stock at a price of $0.
- Beneficially owns 7,210 shares of Common Stock following these transactions.
- Acquired 12,767 Employee Stock Options with an exercise price of $64.54.
- These options expire on December 2, 2035.
- The options vest over three years: 30% on December 3, 2026, 30% on December 3, 2027, and 40% on December 3, 2028.
Sentiment
Score: 7
Explanation: The filing indicates an increase in insider ownership and long-term incentives for a key executive, which is generally viewed positively as it aligns management's interests with shareholders. There are no negative disclosures.
Positives
- Increased insider ownership by a Senior Vice President, which can signal confidence in the company's future performance.
- The acquisition of stock options provides a long-term incentive for management to drive shareholder value.
Future Outlook
The vesting schedule for the acquired employee stock options, extending through December 2028, indicates a long-term incentive structure designed to align management's interests with future company performance and shareholder value creation.
Industry Context
This insider transaction is a routine compensation event for a senior executive and does not directly reflect broader industry trends. However, it aligns with common corporate practices of using equity grants to incentivize and retain key management personnel in competitive industries.
Comparison to Industry Standards
- The grant of stock and options to a Senior Vice President is a standard component of executive compensation packages across various industries, including specialty chemicals and materials where Cabot operates.
- The vesting schedule over three years is typical for long-term incentive plans, aiming to retain talent and align interests with long-term company performance.
- Specific comparable companies or projects are not detailed in this filing, as it focuses solely on an individual's transaction.
Stakeholder Impact
- Shareholders: Increased alignment of executive interests with shareholder value due to higher equity ownership and long-term incentives.
- Employees: May signal stability in executive leadership and a commitment to long-term growth.
Next Steps
- Monitoring the vesting of the employee stock options on December 3, 2026, December 3, 2027, and December 3, 2028.
- Observing any future exercises or sales of the acquired shares and options by William F. Masterson III.
Key Dates
| Date | Description |
|---|---|
| 12/03/2025 | Date of earliest transaction for common stock and employee stock options. |
| 12/05/2025 | Signature date of the reporting person's power of attorney. |
| 12/03/2026 | First vesting date for 30% of employee stock options. |
| 12/03/2027 | Second vesting date for 30% of employee stock options. |
| 12/03/2028 | Third vesting date for 40% of employee stock options. |
| 12/02/2035 | Expiration date of employee stock options. |
Keywords
Cabot Corporation, CBT, Insider Trading, Form 4, Stock Options, Equity Grant, Executive Compensation, William F. Masterson III, Senior Vice President
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