8-K Summary: Great Lakes Dredge & Dock Corp. (GLDD)

Date: November 4, 2025

This 8-K primarily serves to disclose the release of Q3 2025 financial results.

• Material Event: Filing under Item 2.02 reports the release of financial results for the three months ended September 30, 2025.
• Disclosure: The detailed earnings release is furnished as Exhibit 99.1.
• Investor Access: A conference call to discuss these results was scheduled for November 4, 2025, at 9:00 a.m. (C.S.T.).

Note: Specific financial metrics (revenue, net income, guidance) are containe