Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0002012383-26-001773
Filing Date
2026-04-28
Accepted
2026-04-28 16:34:46
Documents
3
X0202

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13G/A  
1 primary_doc.xml SCHEDULE 13G/A 6057
2 PowerOfAttorney.txt EX-24 2753
3 Item_7.txt EX-99 689
  Complete submission text file 0002012383-26-001773.txt   11526
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)

EIN.: 205336063 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13G/A | Act: 34 | File No.: 005-82317 | Film No.: 26908484
SIC: 1600 Heavy Construction Other Than Bldg Const - Contractors
(CF Office: 05 Real Estate & Construction)

Mailing Address 50 HUDSON YARDS NEW YORK NY 10001
Business Address 50 HUDSON YARDS NEW YORK NY 10001 (212) 810-5800
BlackRock, Inc. (Filed by) CIK: 0002012383 (see all company filings)

EIN.: 991116001 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies
(CF Office: 02 Finance)