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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001104659-21-018204
Filing Date
2021-02-10
Accepted
2021-02-10 10:57:18
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A tv0987-greatlakesdredgedockc.htm SC 13G/A 12355
  Complete submission text file 0001104659-21-018204.txt   13957
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

IRS No.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A

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.: 21610881
SIC: 1600 Heavy Construction Other Than Bldg Const - Contractors