Form 4: Cabot SVP Acquires Phantom Stock Units

Cabot Corporation's Senior Vice President, William F. Masterson III, acquired 228.5882 phantom stock units under a supplemental 401(k) plan.

Summary

• William F. Masterson III, Senior Vice President of Cabot Corp, acquired 228.5882 phantom stock units.
• The acquisition occurred on December 31, 2025, at a price of $66.28 per unit.
• These units were acquired under the company's supplemental 401(k) plan.
• The phantom stock units are convertible on a 1-for-1 basis into common stock.
• They will be settled upon Masterson's retirement or other termination of service.
• Following this transaction, Masterson beneficially owns 520.4248 derivative securities (phantom stock units).
• The transaction was made pursuant to a Rule 10b5-1(c) plan.

Sentiment

Score: 6

Explanation: Neutral to slightly positive. The acquisition of phantom stock units by an insider under a long-term incentive plan is a routine event that aligns management's interests with shareholders, but it doesn't indicate significant new positive or negative news.

Positives

• Acquisition of phantom stock units by a Senior Vice President indicates continued alignment of management's interests with shareholder value.
• Participation in a supplemental 401(k) plan suggests a long-term commitment to the company.

Future Outlook

The phantom stock units are to be settled upon the reporting person's retirement or other termination of service, indicating a long-term incentive structure.

Industry Context

This is a routine insider transaction filing. It reflects standard executive compensation practices, often involving long-term incentive plans like phantom stock units, which align executive interests with company performance over time.

Comparison to Industry Standards

• Phantom stock units are a common form of long-term incentive compensation in many industries, including specialty chemicals (Cabot's primary industry).
• These plans are designed to retain key executives and align their financial interests with shareholder value creation, similar to practices at companies like Dow Inc. (DOW) or LyondellBasell Industries (LYB) which also utilize various forms of equity-based compensation.
• The use of a Rule 10b5-1 plan is standard practice for insiders to pre-arrange transactions and avoid accusations of trading on material non-public information.

Corporate Governance

Related Party Transactions

• The transaction involves an executive (William F. Masterson III) and the company (Cabot Corp) as part of an employee benefit plan, which is a common related-party transaction.

Stakeholder Impact

• Shareholders: Potential positive impact due to increased alignment of executive interests with long-term company performance.
• Employees: No direct impact on general employees, but reflects the company's executive compensation structure.

Next Steps

• Settlement of phantom stock units upon William F. Masterson III's retirement or other termination of service.

Key Dates

Recommendation

This Form 4 filing details a routine acquisition of phantom stock units by a Senior Vice President as part of a supplemental 401(k) plan. While it indicates continued alignment of management's interests with the company's long-term performance, it does not present new material information that would warrant a change in investment recommendation. It's a standard compensation event, not a signal for significant stock price movement.

Keywords

Cabot Corp, CBT, Form 4, Insider Trading, Phantom Stock Units, Executive Compensation, Supplemental 401k, William F. Masterson III