1、 UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31,2025OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934
2、 For the transition period from to Commission file number:001-33225Great Lakes Dredge&Dock Corporation(Exact name of registrant as specified in its charter)Delaware 20-5336063(State or other jurisdiction ofincorporation or organization)(I.R.S.EmployerIdentification No.)9811 Katy Freeway,Suite 1200,H
3、ouston,TX 77024(Address of principal executive offices)(Zip Code)(346)359-1010(Registrants telephone number,including area code)Securities registered pursuant to Section 12(b)of the Act:Title of each class Trading Symbol(s)Name of each exchange on which registeredCommon Stock(Par Value$0.0001)GLDD N
4、asdaq Stock Market,LLC Indicate by check mark whether the registrant(1)has filed all reports required to be filed by Section 13 or 15(d)of the Securities Exchange Act of 1934 during the preceding 12 months(or for such shorter period that the registrant was required to file such reports),and(2)has be
5、en subject to such filing requirements for the past 90 days.Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T(232.405 of this chapter)during the preceding 12 months(or for such
6、 shorter period that the registrant was required to submit such files).Yes No Indicate by check mark whether the registrant is a large accelerated filer,an accelerated filer,a non-accelerated filer,smaller reporting company,or an emerging growth company.See the definitions of“large accelerated filer