Great Lakes Dredge & Dock CORP — Director's Dealing 2012

Aug 16, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Great Lakes Dredge & Dock CORP (GLDD)
CIK: 0001372020
Period of Report: 2012-08-15

Reporting Person: Simonelli David E (President, Dredging Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-15	Common Stock	S	17000	$7.453	Disposed	97490	Direct

Footnotes

F1: Represents the weighted average price. The price range is $7.45 to $7.49. Upon request by the Commission staff, the issuer or security holder of the issuer, the reporting person will provide full information regarding the number of shares disposed at each separate price.