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Great Lakes Dredge & Dock Corporation announced it issued an earnings release for the three months ended September 30, 2025, and scheduled a conference call and webcast to discuss the results at 9:00 a.m. C.S.T. on November 4, 2025.
The earnings release is furnished as Exhibit 99.1. The company states this information is furnished under Item 2.02 and is not deemed filed under the Securities Exchange Act, except as specifically incorporated by reference.
Great Lakes Dredge & Dock Corporation amended its revolving credit facility, increasing the senior secured revolver to $430 million, an increase of $100 million. The amendment permits an additional increase option of up to $100 million, subject to incremental lender commitments and availability. Proceeds may be used to prepay in full the second lien facility with Guggenheim Credit Services, pay related fees and expenses, finance permitted acquisitions, fund working capital and other general corporate purposes.
The facility matures on the earlier of October 24, 2030 or 91 days before the scheduled maturity of the Company’s unsecured senior notes—currently June 1, 2029—if those notes are not refinanced and that date precedes the facility maturity. The agreement includes a $35 million impact loan sublimit with rates 0.05% lower when proceeds fund renewable energy and clean transportation projects consistent with impact loan principles.
The obligations are guaranteed by material domestic subsidiaries and secured by first-priority liens on substantially all U.S.-flagged and located vessels, domestic accounts receivable, and substantially all other assets, subject to permitted liens. After the Adjustment Date tied to the fiscal quarter ending December 31, 2025, pricing ranges from Domestic Rate + 0.75%–1.25% or SOFR + 1.75%–2.25%, based on average undrawn availability. A springing financial covenant requires a fixed charge coverage ratio of not more than 1.10 to 1.00.
Ronald Steger, a director of Great Lakes Dredge & Dock Corp. (GLDD), reported transactions dated 09/30/2025. The filing shows a disposition of 20,404 shares of Common Stock and a grant of 2,304 Deferred Stock Units (DSUs) under the company’s Director Deferral Plan. The DSUs are deferred compensation that will be paid in common stock on a 1-for-1 basis when Mr. Steger’s board service ends.
The form is signed by Vivienne R. Schiffer by power of attorney on 10/01/2025. Following the reported transactions the filing indicates 41,337 shares of common stock beneficially owned (direct).
Kathleen M. Shanahan, a director of Great Lakes Dredge & Dock Corp (GLDD), reported transactions dated 09/30/2025. The filing shows a disposition of 70,524 shares of common stock and the grant and deferral of 2,106 Deferred Stock Units (DSUs) under the company’s Director Deferral Plan. The DSUs are payable in common stock on a 1-for-1 basis in three equal annual installments beginning January 15, 2026. Following the reported derivative transaction, the filing shows 12,777 shares beneficially owned by the reporting person in a direct ownership form. The report was signed by power of attorney on 10/01/2025 and lists the reporting person’s affiliation and Houston address as provided.
Lawrence R. Dickerson, a director of Great Lakes Dredge & Dock Corp. (GLDD), reported changes in his beneficial ownership on Form 4. The filing shows a transaction dated 09/30/2025 in which 86,217 shares of common stock were disposed of, leaving Mr. Dickerson with 70,218 shares held directly following the reported transactions. The Form 4 is signed by an attorney-in-fact on behalf of Mr. Dickerson.
The filing also discloses that on 09/30/2025 Mr. Dickerson was granted 4,165 Deferred Stock Units (DSUs) under the company’s Director Deferral Plan. The DSUs are deferred compensation that will be paid in common stock on a 1-for-1 basis when his board service ends and are recorded at a price of $0 in the form. The filing contains no earnings or operational information.
Scott Lee Kornblau, SVP & CFO of Great Lakes Dredge & Dock Corp. (GLDD), reported the sale of 59,805 shares of GLDD common stock on 08/11/2025. The filing shows the sale was executed pursuant to a Rule 10b5-1 trading plan adopted May 9, 2025, with a reported weighted average sale price of $11.476 and individual trade prices ranging from $11.36 to $11.68.
After the reported transactions the Form 4 lists 112,130.24 as the amount of securities beneficially owned following the sale. The Form 4 was submitted by one reporting person and signed by an attorney-in-fact acting under power of attorney.
Great Lakes Dredge & Dock Corporation (GLDD) filed a Form 144 notifying a proposed sale of 59,805 common shares via Fidelity Brokerage Services LLC on NASDAQ, with an aggregate market value of $686,583.34 and 67,995,301 shares outstanding. The sale is slated for 08/11/2025.
The filing shows the shares were acquired through employee purchase plans and restricted stock vesting between 03/05/2022 and 04/25/2024, listed as ESPP purchases and compensation-related vesting. The form reports no securities sold by the person in the past three months. Several filer identification fields in the provided content are blank.