MERCURY SYSTEMS INC — Director's Dealing 2010

Oct 22, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MERCURY COMPUTER SYSTEMS INC (MRCY)
CIK: 0001049521
Period of Report: 2010-10-21

Reporting Person: CHAMILLARD GEORGE W (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-10-21	Common Stock	A	5333	$0.00	Acquired	20666	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-10-21	Non-Qualified Stock Option (Right to buy)	$14.12	A	8000	Acquired	2017-10-21	Common (8000)	Direct

Footnotes

F1: These shares of restricted stock vest in two equal installments on each of October 21, 2010 and 2011.

F2: This option vests as to 4,000 shares on each of October 21, 2010 and 2011.

F3: Field N/A to this transaction but was completed to allow for electronic filing only.