MERCURY SYSTEMS INC — Director's Dealing 2011

Jul 19, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MERCURY COMPUTER SYSTEMS INC (MRCY)
CIK: 0001049521
Period of Report: 2011-07-18

Reporting Person: HAINES GERALD M II (SVP, Corporate Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-07-18	Common Stock	S	4409	$17.849	Disposed	50864	Direct

Footnotes

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

F2: Includes 273 shares purchased on June 30, 2011 through the Employee Stock Purchase Plan.