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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000354204-21-000414
Filing Date
2021-02-12
Accepted
2021-02-12 17:13:35
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC SCHEDULE 13G SEC13G_Filing.htm SC 13G/A 17709
  Complete submission text file 0000354204-21-000414.txt   19557
Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 9811 KATY FREEWAY SUITE 1200 HOUSTON TX 77024
Business Address 9811 KATY FREEWAY SUITE 1200 HOUSTON TX 77024 (346) 359-1010
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.: 21629564
SIC: 1600 Heavy Construction Other Than Bldg Const - Contractors