Great Lakes Dredge & Dock CORP Form 4 insider transactions

Vivienne Schiffer, SVP, CLO, CCO & Corporate Secretary of Great Lakes Dredge & Dock Corp, reports disposing of shares to cover tax obligations.
CEO Lasse Petterson disposed of 4,541 shares of Great Lakes Dredge & Dock CORP common stock on May 5, 2025, to cover tax obligations.
Scott Lee Kornblau, SVP & CFO of Great Lakes Dredge & Dock Corp, reported the disposal of common stock to cover tax obligations.
David Johanson, SVP at Great Lakes Dredge & Dock Corp, reports changes in his beneficial ownership of company stock due to tax withholding related to vesting of restricted stock.
William H. Hanson, SVP of Market Development at Great Lakes Dredge & Dock Corp, reports changes in beneficial ownership of common stock due to tax withholding.
Christopher Gunsten, SVP-Proj Svcs & Fleet Engineer at Great Lakes Dredge & Dock Corp, reported the disposal of common stock to cover tax obligations.
Eleni Beyko, SVP at Great Lakes Dredge & Dock Corp, reported the disposal of common stock to cover tax obligations.
Eleni Beyko, SVP at Great Lakes Dredge & Dock Corp., disposed of 8,088 shares of common stock on April 24, 2025, to cover tax obligations.
D. Michael Steuert, a director at Great Lakes Dredge & Dock, files an amendment to a Form 4, correcting the number of shares issued due to an administrative error.
Ronald Steger, a director at Great Lakes Dredge & Dock Corp, amended a previous SEC filing to correct the number of deferred stock units (DSUs) issued due to an administrative error.
Earl L. Shipp, a director at Great Lakes Dredge & Dock CORP, files an amendment to a previous SEC Form 4 to correct the number of shares issued due to an administrative error.
Kathleen M. Shanahan, a director at Great Lakes Dredge & Dock CORP, amended a previous filing to correct the number of deferred stock units issued.
Dana A. Armstrong, a director at Great Lakes Dredge & Dock CORP, filed an amendment to a previous Form 4 to correct the number of shares issued due to an administrative error.
Director Kathleen Shanahan reports acquisition of deferred stock units in Great Lakes Dredge & Dock Corp.
Director Ronald Steger reports changes in beneficial ownership of Great Lakes Dredge & Dock CORP stock, including the acquisition of deferred stock units.
Director Lawrence R. Dickerson reports changes in beneficial ownership of Great Lakes Dredge & Dock CORP stock, including the acquisition of deferred stock units.
Director Dana A. Armstrong acquired 4,833 shares of Great Lakes Dredge & Dock CORP on March 31, 2025.
Director Earl L. Shipp acquires 5,057 shares of Great Lakes Dredge & Dock CORP on March 31, 2025.
Director D Michael Steuert acquired 5,057 shares of Great Lakes Dredge & Dock CORP on March 31, 2025.
Vivienne Schiffer, SVP, CLO, CCO & Corp Secretary of Great Lakes Dredge & Dock Corp, reports acquisition and disposal of common stock on March 17, 2025, resulting in a net increase in holdings.
CEO Lasse Petterson reports changes in his beneficial ownership of Great Lakes Dredge & Dock CORP stock due to the vesting of performance-based restricted stock units and tax withholding.
Scott Lee Kornblau, SVP & CFO of Great Lakes Dredge & Dock Corp, reports multiple transactions involving common stock, including acquisitions and disposals to cover tax obligations related to vesting restricted stock units.
David Johanson, SVP at Great Lakes Dredge & Dock, reports changes in beneficial ownership of company stock following recent transactions.
William H. Hanson, SVP of Market Development at Great Lakes Dredge & Dock Corp, reports acquisition and disposal of common stock related to performance-based restricted stock units.
Christopher Gunsten, SVP of Project Services & Fleet Engineering at Great Lakes Dredge & Dock Corp, reports acquisition and disposal of common stock related to performance-based restricted stock units.
Eleni Beyko, SVP at Great Lakes Dredge & Dock Corp., reports acquisition and disposal of common stock related to performance-based restricted stock units.
Ryan Bayer, VP & CAO of Great Lakes Dredge & Dock Corp., reports acquisition and disposal of common stock shares on March 17, 2025, according to a Form 4 filing.
Christopher Gunsten, SVP at Great Lakes Dredge & Dock CORP, purchased 3,875 shares of common stock at $7.75 per share on March 4, 2025.
Kathleen M. Shanahan, a director at Great Lakes Dredge & Dock Corp., exercised deferred stock units, resulting in the acquisition of 2,849 common stock shares.
Director Michael Steuert acquired 1,772 shares of Great Lakes Dredge & Dock CORP (GLDD) on December 31, 2024.