Form 4/A - Statement of changes in beneficial ownership of securities: [Amend]
SEC Accession No. 0001193125-26-124360
Filing Date
2026-03-25
Accepted
2026-03-25 17:14:07
Documents
1
Period of Report
2025-05-08

Document Format Files

Seq Description Document Type Size
1 4/A ownership.html 4/A  
1 4/A ownership.xml 4/A 3522
  Complete submission text file 0001193125-26-124360.txt   5158
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 GREAT LAKES DREDGE & DOCK CORP 9811 KATY FREEWAY, SUITE 1200 HOUSTON TX 77024
Business Address
BAYER RYAN (Reporting) CIK: 0001990270 (see all company filings)

Type: 4/A | Act: 34 | File No.: 001-33225 | Film No.: 26793494