MERCURY SYSTEMS INC — Director's Dealing 2014

May 20, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MERCURY SYSTEMS INC (MRCY)
CIK: 0001049521
Period of Report: 2014-05-19

Reporting Person: Speicher Charles A (VP, Controller, and CAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-05-19	Common Stock	S	332	$11.95	Disposed	56410	Direct

Footnotes

F1: The disposition of shares was to cover the required tax withholding triggered by the vesting of restricted stock.