Form 4: Amentum CLO Michele St. Mary Acquires 22,271 Shares

Amentum Holdings, Inc.'s Chief Legal Officer, Michele T. St. Mary, acquired 22,271 shares of common stock through a restricted stock unit grant.

Summary

• Michele T. St. Mary, Chief Legal Officer & GC of Amentum Holdings, Inc., acquired 22,271 shares of common stock.
• The acquisition occurred on November 17, 2025, through a grant of restricted stock units (RSUs) at a price of $0 per share.
• The restricted stock units are scheduled to vest in three equal installments.
• One-third of the RSUs will vest on the first, second, and third anniversaries of November 17, 2025.

Sentiment

Score: 7

Explanation: The filing reports a routine executive compensation event (RSU grant), which is generally positive for aligning management incentives with shareholder interests, but does not contain new operational or financial news that would significantly alter the company's outlook.

Positives

• An executive, Michele T. St. Mary, received a significant grant of 22,271 restricted stock units, aligning her interests with shareholders.
• The grant demonstrates continued compensation and retention of key management personnel within Amentum Holdings, Inc.

Future Outlook

The vesting schedule for the restricted stock units extends through November 2028, indicating a long-term incentive for the Chief Legal Officer and a commitment to retaining key executive talent.

Industry Context

This is a standard executive compensation event, common across industries for publicly traded companies to align management incentives with shareholder value. It does not provide broader industry trends or specific competitive insights.

Comparison to Industry Standards

• Executive compensation through restricted stock units with multi-year vesting is a common practice in publicly traded companies, aligning executive interests with long-term company performance.
• The grant size and vesting schedule are consistent with typical long-term incentive plans for senior executives in similar-sized companies, though specific comparisons to other companies or projects are not detailed in this filing.

Related Party Transactions

• The restricted stock unit grant to Michele T. St. Mary, an executive officer, represents a standard compensation-related transaction between the company and a related party.

Stakeholder Impact

• Shareholders: The grant aligns the Chief Legal Officer's financial interests with the long-term performance of the company, potentially benefiting shareholders through improved executive motivation.
• Employees: May signal stability in executive leadership and a consistent approach to executive compensation within the company.

Next Steps

• Vesting of one-third of the restricted stock units on November 17, 2026.
• Vesting of one-third of the restricted stock units on November 17, 2027.
• Vesting of one-third of the restricted stock units on November 17, 2028.

Key Dates

Recommendation

This Form 4 filing details a routine restricted stock unit grant to a key executive, Michele T. St. Mary. While it aligns management incentives with shareholder interests, it does not provide new material information regarding the company's operational performance, financial health, or strategic direction that would warrant a change in investment recommendation. Therefore, a 'hold' recommendation is appropriate as it confirms standard executive compensation practices without introducing new catalysts for significant price movement.

Keywords

Amentum Holdings, AMTM, Michele T. St. Mary, Chief Legal Officer, Restricted Stock Units, RSU, Insider Transaction, Stock Grant, Executive Compensation