MERCURY SYSTEMS INC — Director's Dealing 2016

May 6, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MERCURY SYSTEMS INC (MRCY)
CIK: 0001049521
Period of Report: 2016-05-04

Reporting Person: THIBAUD DIDIER M C (EVP, COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-04	Common Stock	M	47000	$16.48	Acquired	396112	Direct
2016-05-04	Common Stock	S	47000	$20.595	Disposed	349112	Direct
2016-05-05	Common Stock	M	30000	$16.48	Acquired	379112	Direct
2016-05-05	Common Stock	S	30000	$20.446	Disposed	349112	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-05-04	NQ Stock Option (Right to buy)	$16.48	M	47000	Disposed	2016-06-01	Common Stock (47000)	Direct
2016-05-05	NQ Stock Option (Right to buy)	$16.48	M	30000	Disposed	2016-06-01	Common Stock (30000)	Direct

Footnotes

F1: The exercise of the stock option and sale of the underlying shares reported herein was pursuant to a 10b5-1 stock trading plan for a stock option expiring on June 1, 2016.