MERCURY SYSTEMS INC — Director's Dealing 2025

Oct 20, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MERCURY SYSTEMS INC (MRCY)
CIK: 0001049521
Period of Report: 2025-10-16

Reporting Person: Nearhos Barry R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-16	Common Stock	A	487	—	Acquired	28243	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3500	Indirect

Footnotes

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.