Welcome to our dedicated page for Great Lakes Dredge & Dock SEC filings (Ticker: GLDD), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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Use these insights to monitor Great Lakes Dredge & Dock executive stock transactions Form 4 before new contract awards, compare quarter-over-quarter dredging margins, and gauge capital spending on Jones-Act compliant vessels. From auditors’ notes about environmental liabilities to the numbers behind offshore wind expansion, our real-time archive of all Great Lakes Dredge & Dock disclosures equips professionals to make informed decisions without combing through dense legal language.
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.
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