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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-11-000659
Filing Date
2011-02-14
Accepted
2011-02-14 13:47:50
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G/A 17784
  Complete submission text file 0000902219-11-000659.txt   19933
Mailing Address 280 CONGRESS STREET BOSTON MA 02210
Business Address 280 CONGRESS STREET BOSTON MA 02210 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 2122 YORK ROAD OAK BROOK IL 60523
Business Address 2122 YORK ROAD OAK BROOK IL 60523 630-574-3000
Great Lakes Dredge & Dock CORP (Subject) CIK: 0001372020 (see all company filings)

IRS No.: 205336063 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-82317 | Film No.: 11605073
SIC: 1600 Heavy Construction Other Than Bldg Const - Contractors