# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000950170-25-102970
Filing Date
2025-08-05
Accepted
2025-08-05 16:00:53
Documents
60
Period of Report
2025-06-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | gldd-20250630.htm iXBRL | 10-Q | 2375633
2 | EX-10.1 | gldd-ex10_1.htm | EX-10.1 | 1858790
3 | EX-31.1 | gldd-ex31_1.htm | EX-31.1 | 14056
4 | EX-31.2 | gldd-ex31_2.htm | EX-31.2 | 14056
5 | EX-32.1 | gldd-ex32_1.htm | EX-32.1 | 8600
6 | EX-32.2 | gldd-ex32_2.htm | EX-32.2 | 8533
7 | GRAPHIC | img154179596_0.jpg | GRAPHIC | 183048
| Complete submission text file | 0000950170-25-102970.txt |  | 11359886

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | gldd-20250630.xsd | EX-101.SCH | 975819
62 | EXTRACTED XBRL INSTANCE DOCUMENT | gldd-20250630_htm.xml | XML | 1713035

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 (Filer) CIK: 0001372020 (see all company filings)

EIN.: 205336063 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-33225 | Film No.: 251184715
SIC: 1600 Heavy Construction Other Than Bldg Const - Contractors
(CF Office: 05 Real Estate & Construction)