0001959173-24-003896.txt : 20240524 0001959173-24-003896.hdr.sgml : 20240524 20240524163120 ACCESSION NUMBER: 0001959173-24-003896 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240524 DATE AS OF CHANGE: 20240524 SUBJECT COMPANY: 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 IRS NUMBER: 205336063 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-33225 FILM NUMBER: 24984955 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Levenson Ryan CENTRAL INDEX KEY: 0001363032 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 2396 DELLWOOD DRIVE CITY: ATLANTA STATE: GA ZIP: 30305 144 1 primary_doc.xml 144 0001363032 XXXXXXXX LIVE 0001372020 Great Lakes Dredge & Dock CORP 001-33225 9811 KATY FREEWAY SUITE 1200 HOUSTON TX 77024 (346) 359-1010 Levenson Ryan Former Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

25000 227590.87 67009319 05/24/2024 NASDAQ Common 05/13/2024 Restricted Stock Vesting Issuer N 25000 05/13/2024 Compensation N Ryan J. Levenson

9811 Katy Freeway Suite 1200 Houston TX 77024

Common 05/22/2024 19710 182512.36 Ryan J. Levenson

9811 Katy Freeway Suite 1200 Houston TX 77024

Common 05/23/2024 21160 193576.22 05/24/2024 /s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Ryan Levenson