Form 4: MTX CFO Erik Aldag Reports Stock Transactions

Minerals Technologies Inc. CFO Erik Aldag reported recent acquisitions of common stock through vesting of deferred restricted stock units and subsequent tax-related dispositions.

Summary

• Erik Aldag, SVP Finance and Treasury, CFO of Minerals Technologies Inc. (MTX), reported changes in his beneficial ownership of company stock.
• On January 23, 2026, Aldag acquired 2,243 shares of common stock at a $0 price, likely due to the vesting of Deferred Restricted Stock Units (DRSUs).
• On the same date, 1,240 shares were disposed of at $68.77 to satisfy tax withholding obligations.
• On January 26, 2026, Aldag acquired an additional 1,841 shares of common stock at a $0 price, also likely from DRSU vesting.
• On January 26, 2026, 1,019 shares were disposed of at $68.89 for tax withholding purposes.
• Following these transactions, Aldag directly beneficially owned 6,959 shares of common stock.
• Additionally, Aldag indirectly owned 897.255 shares through a 401(k) plan as of January 21, 2026.
• The DRSUs acquired on January 23, 2026, were granted on January 23, 2024, and vest in three equal annual installments starting January 23, 2025.
• The DRSUs acquired on January 26, 2026, were granted on January 24, 2023, and vest in three equal annual installments starting January 24, 2024.

Sentiment

Score: 6

Explanation: Neutral to slightly positive. The transactions reflect routine equity compensation vesting, which is a positive for executive retention and alignment. The dispositions are for tax purposes, a standard occurrence, not a negative signal about the company's prospects.

Positives

• CFO Erik Aldag acquired 4,084 shares of common stock (2,243 + 1,841) through the vesting of Deferred Restricted Stock Units, indicating continued equity participation and alignment with shareholder interests.
• The vesting of DRSUs represents a successful retention and incentive mechanism for key management.

Negatives

• A total of 2,259 shares (1,240 + 1,019) were disposed of to cover tax withholding obligations, which is a common practice but reduces direct beneficial ownership.

Future Outlook

This Form 4 filing does not contain forward-looking statements or guidance regarding the company's future performance or strategic direction. It solely reports insider stock transactions.

Industry Context

This Form 4 filing is a routine disclosure of insider stock transactions and does not provide specific insights into broader industry trends or competitive landscape. It reflects standard equity compensation practices for executives.

Comparison to Industry Standards

• The transactions reported are standard for executive equity compensation plans, involving the vesting of restricted stock units and subsequent share dispositions to cover tax obligations.
• This practice is common across publicly traded companies as a means of incentivizing and retaining key management personnel.
• No specific comparable companies or projects are mentioned in this regulatory filing.

Related Party Transactions

• The transactions reported are between an officer and the company as part of an equity compensation plan, which is a common form of related party transaction in this context. No unusual or non-standard related party dealings are disclosed.

Stakeholder Impact

• Shareholders: The vesting of equity awards aligns management's interests with shareholders. The tax-related sales are routine and not indicative of a lack of confidence.
• Employees: The equity compensation structure for executives may reflect broader company compensation strategies.

Next Steps

• The filing does not mention any specific future actions, events, or milestones for the company. Future vesting events for the remaining DRSUs will occur as per their respective schedules.

Key Dates

Recommendation

This Form 4 filing details routine insider transactions related to the vesting of equity awards and subsequent tax-related dispositions. Such transactions are standard practice for executive compensation and do not typically signal a change in the company's fundamental outlook or performance. While the executive is acquiring shares through vesting, the concurrent sales are solely for tax obligations, not a discretionary sale. Therefore, this filing alone does not provide sufficient new information to warrant a change from a 'hold' recommendation, which would be based on a broader analysis of the company's financials, strategy, and market conditions.

Keywords

Minerals Technologies Inc., MTX, Erik Aldag, CFO, Insider Trading, Form 4, Stock Transactions, Deferred Restricted Stock Units, DRSU, Equity Compensation, Tax Withholding