0001209191-21-000408.txt : 20210104 0001209191-21-000408.hdr.sgml : 20210104 20210104172404 ACCESSION NUMBER: 0001209191-21-000408 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20201231 FILED AS OF DATE: 20210104 DATE AS OF CHANGE: 20210104 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Shanahan Kathleen M CENTRAL INDEX KEY: 0001292085 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33225 FILM NUMBER: 21502851 MAIL ADDRESS: STREET 1: 24301 WALDEN CENTER DRIVE CITY: BONITA SPRINGS STATE: FL ZIP: 34134 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: 2122 YORK ROAD CITY: OAK BROOK STATE: IL ZIP: 60523 BUSINESS PHONE: 630-574-3000 MAIL ADDRESS: STREET 1: 2122 YORK ROAD CITY: OAK BROOK STATE: IL ZIP: 60523 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 2020-12-31 0 0001372020 Great Lakes Dredge & Dock CORP GLDD 0001292085 Shanahan Kathleen M C/O GREAT LAKES DREDGE & DOCK CORP. 1 PARKVIEW PLAZA, 8TH FLOOR OAKBROOK TERRACE IL 60181 1 0 0 0 Common Stock 2020-12-31 4 A 0 1623 0.00 A 47606 D /s/Katherine M. O'Halloran, by Power of Attorney 2021-01-04