Form 4: MTX Group President Sells Shares After Option Exercise

Minerals Technologies Group President Brett Argirakis exercised stock options and subsequently sold 6,501 shares of common stock on November 21, 2025.

Summary

• Brett Argirakis, Group President of Minerals Technologies Inc. (MTX), executed a transaction involving the company's common stock.
• On November 21, 2025, Argirakis acquired 6,501 shares of common stock by exercising employee stock options at a price of $38.285 per share.
• Immediately following the exercise on the same date, Argirakis disposed of 6,501 shares of common stock at a weighted average price of $58.6769 per share.
• The sale price ranged from a high of $58.98 to a low of $58.525.
• The transactions were made pursuant to a Rule 10b5-1 plan.
• Following these transactions, Argirakis directly beneficially owns 27,602 shares of common stock.
• Additionally, Argirakis indirectly beneficially owns 2,812.597 shares of common stock through a 401(k) plan, based on a Plan Statement dated November 24, 2025.
• The employee stock options, which had an exercise price of $38.285, vested in three equal annual installments beginning on January 19, 2017, and were set to expire on January 19, 2026.

Sentiment

Score: 5

Explanation: The filing reports a routine insider transaction (exercise of options and immediate sale of shares) which is generally neutral in sentiment, often driven by personal financial planning rather than a specific outlook on the company's future performance.

Positives

• The transaction was executed under a Rule 10b5-1 plan, indicating it was pre-scheduled and not based on immediate, non-public information.
• The executive realized a profit from the option exercise, selling shares at $58.6769 after exercising them at $38.285.

Negatives

• The sale of shares by a Group President, even if pre-planned, can sometimes be perceived as a lack of increased confidence, though it is often for liquidity or tax planning purposes.

Future Outlook

NA

Industry Context

This Form 4 filing details a routine insider transaction (exercise of stock options and subsequent sale of shares) by a Group President at Minerals Technologies Inc. Such transactions are common across industries as executives manage their equity compensation for liquidity or tax purposes, often under pre-arranged Rule 10b5-1 plans.

Stakeholder Impact

• Shareholders: The transaction is a routine insider sale following an option exercise, which typically has minimal direct impact on other shareholders. It does not signal a significant change in company strategy or performance.
• Employees: No direct impact on employees is indicated by this filing.

Key Dates

Keywords

MTX, Minerals Technologies, Insider Trading, Stock Option Exercise, Share Sale, Form 4, Rule 10b5-1