0001372020 2026-04-01 2026-04-01 --12-31 0001372020 false 8-K 2026-04-01 Great Lakes Dredge & Dock Corporation DE 001-33225 20-5336063 9811 Katy Freeway, Suite 1200 Houston TX 77024 346 359-1010 false false false false Common Stock (Par Value $0.0001) GLDD NASDAQ false