MERCURY SYSTEMS INC — Director's Dealing 2026

Jan 20, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MERCURY SYSTEMS INC (MRCY)
CIK: 0001049521
Period of Report: 2026-01-15

Reporting Person: Nearhos Barry R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-15	Common Stock	A	474	—	Acquired	31079	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.