Form 4: Mercury Systems Director Acquires Deferred Stock Units as Compensation

Barry R. Nearhos, a Director at Mercury Systems Inc., acquired 666 deferred stock units as part of his compensation, which will convert to common stock upon his departure from the board.

Summary

• Barry R. Nearhos, a Director of Mercury Systems Inc. (MRCY), acquired 666 shares of Common Stock in the form of Deferred Stock Units (DSUs).
• The transaction date for this acquisition was July 17, 2025.
• These DSUs were 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.
• Following this transaction, Mr. Nearhos directly beneficially owns 27,756 shares of Common Stock and indirectly owns 3,500 shares through his spouse.

Sentiment

Score: 7

Explanation: The acquisition of deferred stock units by a director is generally viewed positively as it aligns the director's interests with those of shareholders, indicating confidence in the company's future performance. It is a routine compensation event.

Positives

• Director Barry R. Nearhos received 666 Deferred Stock Units (DSUs) as compensation, aligning his interests with shareholders.
• The DSUs were fully vested upon grant, indicating immediate ownership rights, albeit with a delayed conversion to common stock.

Future Outlook

The deferred stock units will convert into shares of common stock upon the reporting person ceasing to be a member of the Board of Directors.

Industry Context

This filing represents a standard form of equity compensation for board directors in publicly traded companies, aligning director incentives with long-term shareholder value, common across various industries including defense and aerospace technology where Mercury Systems operates.

Comparison to Industry Standards

• The use of Deferred Stock Units (DSUs) as director compensation is a common practice among U.S. public companies, including peers in the defense and aerospace sector such as L3Harris Technologies (LHX) or Raytheon Technologies (RTX), which often utilize similar equity-based compensation structures to retain and incentivize board members.
• The vesting upon grant with conversion upon departure is a typical structure for DSUs for non-employee directors.

Stakeholder Impact

• Shareholders: The issuance of DSUs represents a form of equity compensation that will eventually lead to a minor increase in outstanding shares upon conversion, potentially causing slight dilution, but also aligns director incentives with shareholder value.

Next Steps

• The 666 Deferred Stock Units (DSUs) will convert into shares of common stock when Barry R. Nearhos ceases to be a member of the Mercury Systems Board of Directors.

Key Dates

Keywords

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