Form 4: Mercury Systems Director Acquires DSUs

Mercury Systems Director Barry R. Nearhos acquired 487 deferred stock units as part of his compensation, increasing his direct beneficial ownership to 28,243 shares.

Summary

• Barry R. Nearhos, a Director of Mercury Systems Inc. (MRCY), acquired 487 shares of Common Stock on October 16, 2025.
• These shares represent Deferred Stock Units (DSUs) issued in lieu of a quarterly cash retainer payment for his service as a director.
• The DSUs were fully vested upon grant but will not convert into shares of common stock until Mr. Nearhos ceases to be a member of the Board of Directors.
• The transaction price for these DSUs was $0, as they are a form of compensation.
• Following this transaction, Mr. Nearhos directly beneficially owns 28,243 shares of Common Stock.
• Additionally, 3,500 shares are indirectly beneficially owned by his spouse.
• A Limited Power of Attorney, dated October 8, 2025, authorizes specific company officers to execute and file Section 16(a) forms (Forms 3, 4, 5, and 144) on behalf of Mr. Nearhos.

Sentiment

Score: 6

Explanation: The sentiment is moderately positive as a director receiving equity compensation aligns their interests with shareholders, which is generally viewed favorably. However, it's a routine compensation event rather than a discretionary purchase, limiting its overall impact on sentiment.

Positives

• The acquisition of deferred stock units aligns the director's interests with those of shareholders, as his compensation is tied to the company's equity performance.
• The transaction is a routine part of director compensation, indicating stable corporate governance practices regarding executive and director remuneration.

Future Outlook

The deferred stock units will convert into shares of common stock upon the reporting person's cessation of service as a member of the Board of Directors.

Industry Context

This filing represents a routine insider compensation event, which is common across publicly traded companies where directors receive equity-based compensation to align their interests with shareholders. It does not provide specific insights into broader industry trends or competitive positioning.

Corporate Governance

Related Party Transactions

• The issuance of 487 Deferred Stock Units to Director Barry R. Nearhos is a transaction between the company and a related party (a director) as part of his compensation package.

Stakeholder Impact

• Shareholders: The equity compensation for the director fosters alignment of interests, potentially leading to decisions that benefit long-term shareholder value.
• Directors: The compensation structure provides equity incentives for board service, which can attract and retain qualified directors.

Next Steps

• The deferred stock units will convert into shares of common stock when Barry R. Nearhos ceases to be a member of the Board of Directors.

Key Dates

Keywords

Mercury Systems, MRCY, Insider Transaction, Form 4, Director Compensation, Deferred Stock Units, DSUs, Beneficial Ownership