0000950170-25-059454.txt : 20250428 0000950170-25-059454.hdr.sgml : 20250428 20250428182759 ACCESSION NUMBER: 0000950170-25-059454 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250424 FILED AS OF DATE: 20250428 DATE AS OF CHANGE: 20250428 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BEYKO ELENI CENTRAL INDEX KEY: 0001929993 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33225 FILM NUMBER: 25882038 MAIL ADDRESS: STREET 1: C/O GREAT LAKES DREDGE & DOCK CORP. STREET 2: 9811 KATY FREEWAY, SUITE 1200 CITY: HOUSTON STATE: TX ZIP: 77024 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 1 ownership.xml 4 X0508 4 2025-04-24 0001372020 Great Lakes Dredge & Dock CORP GLDD 0001929993 BEYKO ELENI C/O GREAT LAKES DREDGE & DOCK CORP. 9811 KATY FREEWAY, SUITE 1200 HOUSTON TX 77024 false true false false SVP - Offshore Energy false Common Stock 2025-04-24 4 F false 8088 9.06 D 74175 D /s/Vivienne R. Schiffer, by Power of Attorney 2025-04-28