0001209191-23-019677.txt : 20230317 0001209191-23-019677.hdr.sgml : 20230317 20230317163732 ACCESSION NUMBER: 0001209191-23-019677 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230315 FILED AS OF DATE: 20230317 DATE AS OF CHANGE: 20230317 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Schiffer Vivienne CENTRAL INDEX KEY: 0001835547 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33225 FILM NUMBER: 23743225 MAIL ADDRESS: STREET 1: C/O GREAT LAKES DREDGE & DOCK CORP., STREET 2: 1 PARKVIEW PLAZA, SUITE 800 CITY: OAKBROOK TERRACE STATE: IL ZIP: 60181 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] IRS NUMBER: 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 doc4.xml FORM 4 SUBMISSION X0306 4 2023-03-15 0 0001372020 Great Lakes Dredge & Dock CORP GLDD 0001835547 Schiffer Vivienne C/O GREAT LAKES DREDGE & DOCK CORP., 9811 KATY FREEWAY, SUITE 1200 HOUSTON TX 77024 0 1 0 0 SVP, CLO, CCO & Corp Secretary Common Stock 2023-03-15 4 A 0 22960 A 36433 D Represents restricted stock units that vest in three equal annual installments beginning on March 15, 2024. /s/Vivienne R. Schiffer 2023-03-17