0000950170-25-059451.txt : 20250428 0000950170-25-059451.hdr.sgml : 20250428 20250428182430 ACCESSION NUMBER: 0000950170-25-059451 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250331 FILED AS OF DATE: 20250428 DATE AS OF CHANGE: 20250428 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: STEUERT D MICHAEL CENTRAL INDEX KEY: 0001194765 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-33225 FILM NUMBER: 25882032 MAIL ADDRESS: STREET 1: C/O FLUOR CORP STREET 2: ONE ENTERPRISE DR CITY: ALISO VIEJO STATE: CA ZIP: 92656 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Great Lakes Dredge & Dock CORP CENTRAL INDEX KEY: 0001372020 STANDARD INDUSTRIAL CLASSIFICATION: HEAVY CONSTRUCTION OTHER THAN BUILDING CONST - CONTRACTORS [1600] ORGANIZATION NAME: 05 Real Estate & Construction EIN: 205336063 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 9811 KATY FREEWAY STREET 2: SUITE 1200 CITY: HOUSTON STATE: TX ZIP: 77024 BUSINESS PHONE: (346) 359-1010 MAIL ADDRESS: STREET 1: 9811 KATY FREEWAY STREET 2: SUITE 1200 CITY: HOUSTON STATE: TX ZIP: 77024 FORMER COMPANY: FORMER CONFORMED NAME: Great Lakes Dredge & Dock Holdings Corp. DATE OF NAME CHANGE: 20060808 4/A 1 ownership.xml 4/A X0508 4/A 2025-03-31 2025-04-01 0001372020 Great Lakes Dredge & Dock CORP GLDD 0001194765 STEUERT D MICHAEL C/O GREAT LAKES DREDGE & DOCK CORP. 9811 KATY FREEWAY, SUITE 1200 HOUSTON TX 77024 true false false false false Common Stock 2025-03-31 4 A false 2759 0 A 89209 D This amendment is being filed to correct the number of shares issued. Due to an administrative error, the original filing inadvertently overstated the number of shares. /s/Vivienne R. Schiffer, by Power of Attorney 2025-04-28