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Filing Details

Accession Number:: 0001179110-13-002883
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2013-02-15 17:05:52
Reporting Period:: 2009-11-16

Filing Date:: 2013-02-15
Accepted Time:: 2013-02-15 17:05:52
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1372020	Great Lakes Dredge & Dock Corp	GLDD	Heavy Construction Other Than Bldg Const - Contractors (1600)	205336063

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1317879	Peter Deutsch	Great Lakes Dredge &Amp; Dock Corporation 2122 York Road Oak Brook IL 60523		Yes	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2009-11-16	1,000	$6.94	35,974	No	4	S	Direct
Common Stock	Acquisiton	2009-11-16	1,000	$6.94	36,974	No	4	P	Direct
Common Stock	Disposition	2009-11-17	23,401	$6.71	13,573	No	4	S	Direct
Common Stock	Acquisiton	2009-11-17	23,401	$6.72	36,974	No	4	P	Direct
Common Stock	Disposition	2010-04-07	9,204	$5.55	33,157	No	4	S	Direct
Common Stock	Acquisiton	2010-04-07	9,204	$5.56	42,361	No	4	P	Direct
Common Stock	Disposition	2011-11-28	9,843	$5.60	48,617	No	4	S	Direct
Common Stock	Acquisiton	2011-11-28	9,843	$5.60	58,460	No	4	P	Direct
Common Stock	Disposition	2012-01-10	2,411	$6.07	58,859	No	4	S	Direct
Common Stock	Acquisiton	2012-01-10	2,411	$6.07	61,270	No	4	P	Direct
Common Stock	Disposition	2012-11-08	16,217	$8.21	52,980	No	4	S	Direct
Common Stock	Acquisiton	2012-11-08	16,217	$8.22	69,197	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	P	Direct
No	4	S	Direct
No	4	P	Direct
No	4	S	Direct
No	4	P	Direct
No	4	S	Direct
No	4	P	Direct
No	4	S	Direct
No	4	P	Direct
No	4	S	Direct
No	4	P	Direct

Footnotes

The transactions reported on this Form 4 are being reported late due to the reporting person's prior understanding that the transactions reported herein were not subject to reporting under Section 16(a) of the Exchange Act. Pursuant to Section 16(b) of the of the Securities Exchange Act of 1934 (the "Exchange Act"), the reporting person has agreed to pay to Great Lakes Dredge & Dock Corporation $9,470.82, representing the full amount of the profit realized in connection with the short-swing transactions reported on this Form 4, less transaction costs of such transactions.
Represents the weighted average sale price of $6.94 rounded to the nearest hundredths. The highest price at which the shares were sold was $6.94 and the lowest price at which the shares were sold was $6.93, in each case, rounded to the nearest hundredths. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of securities sold at each separate price.
Represents the weighted average sale price of $6.71 rounded to the nearest hundredths. The highest price at which the shares were sold was $6.75 and the lowest price at which the shares were sold was $6.66, in each case, rounded to the nearest hundredths. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of securities sold at each separate price.
Represents the weighted average purchase price of $6.72 rounded to the nearest hundredths. The highest price at which the shares were purchased was $6.77 and the lowest price at which the shares were purchased was $6.68, in each case, rounded to the nearest hundredths. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of securities purchased at each separate price.
Represents the weighted average sale price of $5.55 rounded to the nearest hundredths. The highest price at which the shares were sold was $5.56 and the lowest price at which the shares were sold was $5.55, in each case, rounded to the nearest hundredths. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of securities sold at each separate price.
This total takes into account the previously-reported receipt by the Reporting Person of stock awards in the interim period.
Represents the weighted average sale price of $5.60 rounded to the nearest hundredths. The highest price at which the shares were sold was $5.61 and the lowest price at which the shares were sold was $5.58, in each case, rounded to the nearest hundredths. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of securities sold at each separate price.
Represents the weighted average purchase price of $5.60 rounded to the nearest hundredths. The highest price at which the shares were purchased was $5.61 and the lowest price at which the shares were purchased was $5.59, in each case, rounded to the nearest hundredths. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of securities purchased at each separate price.
Represents the weighted average sale price of $6.07 rounded to the nearest hundredths. The highest price at which the shares were sold was $6.08 and the lowest price at which the shares were sold was $6.06, in each case, rounded to the nearest hundredths. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of securities sold at each separate price.
Represents the weighted average purchase price of $6.07 rounded to the nearest hundredths. The highest price at which the shares were purchased was $6.08 and the lowest price at which the shares were purchased was $6.04, in each case, rounded to the nearest hundredths. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of securities purchased at each separate price.
Represents the weighted average sale price of $8.21 rounded to the nearest hundredths. The highest price at which the shares were sold was $8.23 and the lowest price at which the shares were sold was $8.20, in each case, rounded to the nearest hundredths. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of securities sold at each separate price.
Represents the weighted average purchase price of $8.22 rounded to the nearest hundredths. The highest price at which the shares were purchased was $8.25 and the lowest price at which the shares were purchased was $8.21, in each case, rounded to the nearest hundredths. The Reporting Person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of securities purchased at each separate price.