Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950170-25-048816
Filing Date
2025-04-01
Accepted
2025-04-01 20:39:59
Documents
1
Period of Report
2025-03-31

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 2910
  Complete submission text file 0000950170-25-048816.txt   4701
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 (Issuer) CIK: 0001372020 (see all company filings)

EIN.: 205336063 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 1600 Heavy Construction Other Than Bldg Const - Contractors
(CF Office: 05 Real Estate & Construction)

Mailing Address C/O OLIN CORPORATION 190 CARONDELET PLZ, STE 1530 CLAYTON MO 63105
Business Address C/O OLIN CORPORATION 190 CARONDELET PLZ, STE 1530 CLAYTON MO 63105 314-480-1466
Shipp Earl L (Reporting) CIK: 0001721123 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-33225 | Film No.: 25801644