Barry R. Nearhos - 17 Jul 2025 Form 4 Insider Report for MERCURY SYSTEMS INC (MRCY)

Role: Director
Signature: /s/ Douglas Munro, attorney-in-fact
Issuer symbol: MRCY
Transactions as of: 17 Jul 2025
Net transactions value: $0
Form type: 4
Filing time: 21 Jul 2025, 09:21:16 UTC
Previous filing: 21 Apr 2025
Next filing: 20 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Nearhos Barry R	Director	50 MINUTEMAN ROAD, ANDOVER	/s/ Douglas Munro, attorney-in-fact	21 Jul 2025	0001671237

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MRCY	Common Stock	Award	$0	+666	+2.5%	$0.000000	27,756	17 Jul 2025	Direct	F1
holding	MRCY	Common Stock						3,500	17 Jul 2025	By Spouse

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents deferred stock units (DSUs) issued in lieu of a quarterly cash retainer payment for service as a director. These DSUs were fully vested upon grant, but do not convert into shares of common stock until the date on which the reporting person ceases to be a member of our Board of Directors.