0001209191-21-028807.txt : 20210428 0001209191-21-028807.hdr.sgml : 20210428 20210428163110 ACCESSION NUMBER: 0001209191-21-028807 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210426 FILED AS OF DATE: 20210428 DATE AS OF CHANGE: 20210428 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Simonelli David E CENTRAL INDEX KEY: 0001384117 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33225 FILM NUMBER: 21864705 MAIL ADDRESS: STREET 1: C/O GREAT LAKES DREDGE & DOCK CORPORATIO STREET 2: 2122 YORK ROAD CITY: OAK BROOK STATE: IL ZIP: 60523 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 2021-04-26 0 0001372020 Great Lakes Dredge & Dock CORP GLDD 0001384117 Simonelli David E C/O GREAT LAKES DREDGE & DOCK CORP. 9811 KATY FREEWAY, SUITE 1200 HOUSTON TX 77024 0 1 0 0 Chief Operating Officer Common Stock 2021-04-26 4 S 0 12395 15.8789 D 258005 D The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 16, 2020. Represents the weighted average price. The shares were sold in multiple transactions ranging from $15.67 to $16.065, inclusive. Upon request by the Commission staff, the issuer or security holder of the issuer, the reporting person will provide information regarding the number of shares disposed of at each separate price. /s/Katherine M. O'Halloran, by Power of Attorney 2021-04-28