Great Lakes Dredge & Dock CORP - GLDD

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
Visible: 0
Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Apr 01, 2026 U D 8,436.0 0.0 View
Apr 01, 2026 D D 76,962.0 0.0 View
Apr 01, 2026 A A 2,938.0 0.0 0.0 76,962.0 View
Apr 01, 2026 U D 86,217.0 0.0 View
Apr 01, 2026 D D 10,336.0 0.0 View
Apr 01, 2026 A A 1,485.0 0.0 0.0 10,336.0 View
Apr 01, 2026 U D 76,375.0 0.0 View
Apr 01, 2026 U D 42,619.0 0.0 View
Apr 01, 2026 D D 45,068.0 0.0 View
Apr 01, 2026 A A 1,625.0 0.0 0.0 45,068.0 View
Apr 01, 2026 U D 20,404.0 0.0 View
Apr 01, 2026 VP & CAO U D 37,380.0 0.0 View
Apr 01, 2026 VP & CAO A A 5,607.0 37,380.0 View
Apr 01, 2026 SVP - Offshore Energy U D 151,312.0 0.0 View
Apr 01, 2026 SVP - Offshore Energy A A 25,505.0 151,312.0 View
Apr 01, 2026 SVP-Proj Svcs & Fleet Engineer U D 182,496.0 0.0 View
Apr 01, 2026 SVP-Proj Svcs & Fleet Engineer A A 71,860.0 182,496.0 View
Apr 01, 2026 SVP, Market Development U D 90,852.74 0.0 View
Apr 01, 2026 SVP, Market Development A A 13,631.0 90,852.74 View
Apr 01, 2026 SVP-Project Acquisition & Ops U D 191,597.52 0.0 View
Apr 01, 2026 SVP-Project Acquisition & Ops A A 71,860.0 191,597.52 View
Apr 01, 2026 SVP-Project Acquisition & Ops A A 521.26 10.821 5,640.52 119,737.52 View
Apr 01, 2026 SVP & CFO U D 244,126.24 0.0 View
Apr 01, 2026 SVP & CFO A A 90,518.0 244,126.24 View
Apr 01, 2026 CEO & President U D 1,568,290.29 0.0 View
Apr 01, 2026 CEO & President A A 206,445.0 1,568,290.29 View
Apr 01, 2026 SVP, CLO, CCO & Corp Secretary U D 144,817.0 0.0 View
Apr 01, 2026 SVP, CLO, CCO & Corp Secretary A A 28,945.0 144,817.0 View
Mar 25, 2026 SVP, CLO, CCO & Corp Secretary A A 18,035.0 82,181.0 View
Mar 25, 2026 CEO & President A A 125,145.0 1,159,377.29 View
Mar 25, 2026 SVP & CFO A A 25,058.0 171,935.24 View
Mar 25, 2026 SVP-Proj Svcs & Fleet Engineer A A 13,179.0 85,952.0 View
Mar 25, 2026 SVP-Project Acquisition & Ops A A 13,179.0 104,063.26 View
Mar 25, 2026 SVP, Market Development A A 8,237.0 68,977.0 View
Mar 25, 2026 SVP - Offshore Energy A A 15,376.0 105,514.0 View
Mar 25, 2026 VP & CAO A A 10,126.0 24,574.0 View
Mar 25, 2026 SVP - Offshore Energy F D 8,088.0 13.12 106,114.56 125,807.0 View
Mar 18, 2026 SVP & CFO F D 5,851.0 16.93 99,057.43 153,608.24 View
Mar 18, 2026 SVP & CFO A A 14,868.0 159,459.24 View
Mar 18, 2026 SVP & CFO F D 2,926.0 16.93 49,537.18 144,591.24 View
Mar 18, 2026 SVP & CFO F D 8,762.0 16.93 148,340.66 147,517.24 View
Mar 18, 2026 SVP & CFO A A 22,265.0 156,279.24 View
Mar 18, 2026 SVP & CFO F D 4,719.0 16.93 79,892.67 134,014.24 View
Mar 18, 2026 CEO & President F D 31,057.0 16.93 525,795.01 1,361,845.29 View
Mar 18, 2026 CEO & President A A 78,924.0 1,392,902.29 View
Mar 18, 2026 CEO & President F D 15,529.0 16.93 262,905.97 1,313,978.29 View
Mar 18, 2026 CEO & President F D 20,033.0 16.93 339,158.69 1,329,507.29 View
Mar 18, 2026 CEO & President F D 37,202.0 16.93 629,829.86 1,349,540.29 View
Mar 18, 2026 CEO & President A A 94,540.0 1,386,742.29 View
Mar 18, 2026 SVP, CLO, CCO & Corp Secretary F D 2,546.0 16.93 43,103.78 115,872.0 View
Mar 18, 2026 SVP, CLO, CCO & Corp Secretary A A 10,454.0 118,418.0 View
Mar 18, 2026 SVP, CLO, CCO & Corp Secretary F D 2,058.0 16.93 34,841.94 107,964.0 View
Mar 18, 2026 SVP, CLO, CCO & Corp Secretary F D 3,461.0 16.93 58,594.73 110,022.0 View
Mar 18, 2026 SVP, CLO, CCO & Corp Secretary A A 14,213.0 113,483.0 View
Mar 18, 2026 SVP, CLO, CCO & Corp Secretary F D 2,060.0 16.93 34,875.8 99,270.0 View
Mar 18, 2026 SVP - Offshore Energy F D 3,188.0 16.93 53,972.84 133,895.0 View
Mar 18, 2026 SVP - Offshore Energy A A 9,852.0 137,083.0 View
Mar 18, 2026 SVP - Offshore Energy F D 1,939.0 16.93 32,827.27 127,231.0 View
Mar 18, 2026 SVP - Offshore Energy F D 4,773.0 16.93 80,806.89 129,170.0 View
Mar 18, 2026 SVP - Offshore Energy A A 14,754.0 133,943.0 View
Mar 18, 2026 SVP - Offshore Energy F D 2,645.0 16.93 44,779.85 119,189.0 View
Mar 18, 2026 SVP-Proj Svcs & Fleet Engineer F D 2,732.0 16.93 46,252.76 110,636.0 View
Mar 18, 2026 SVP-Proj Svcs & Fleet Engineer A A 8,444.0 113,368.0 View
Mar 18, 2026 SVP-Proj Svcs & Fleet Engineer F D 1,367.0 16.93 23,143.31 104,924.0 View
Mar 18, 2026 SVP-Proj Svcs & Fleet Engineer F D 4,091.0 16.93 69,260.63 106,291.0 View
Mar 18, 2026 SVP-Proj Svcs & Fleet Engineer A A 12,646.0 110,382.0 View
Mar 18, 2026 SVP-Proj Svcs & Fleet Engineer F D 2,204.0 16.93 37,313.72 97,736.0 View
Mar 18, 2026 SVP, Market Development F D 1,277.0 16.93 21,619.61 77,221.74 View
Mar 18, 2026 SVP, Market Development A A 5,242.0 78,498.74 View
Mar 18, 2026 SVP, Market Development F D 639.0 16.93 10,818.27 73,256.74 View
Mar 18, 2026 SVP, Market Development F D 1,913.0 16.93 32,387.09 73,895.74 View
Mar 18, 2026 SVP, Market Development A A 7,853.0 75,808.74 View
Mar 18, 2026 SVP, Market Development F D 1,030.0 16.93 17,437.9 67,955.74 View
Mar 18, 2026 SVP-Project Acquisition & Ops F D 2,057.0 16.93 34,825.01 119,216.26 View
Mar 18, 2026 SVP-Project Acquisition & Ops A A 8,444.0 121,273.26 View
Mar 18, 2026 SVP-Project Acquisition & Ops F D 1,029.0 16.93 17,420.97 112,829.26 View
Mar 18, 2026 SVP-Project Acquisition & Ops F D 3,080.0 16.93 52,144.4 113,858.26 View
Mar 18, 2026 SVP-Project Acquisition & Ops A A 12,646.0 116,938.26 View
Mar 18, 2026 SVP-Project Acquisition & Ops F D 1,659.0 16.93 28,086.87 104,292.26 View
Mar 18, 2026 VP & CAO F D 854.0 16.93 14,458.22 31,773.0 View
Mar 18, 2026 VP & CAO A A 2,170.0 32,627.0 View
Mar 18, 2026 VP & CAO F D 1,282.0 16.93 21,704.26 30,457.0 View
Feb 25, 2026 VP & CAO A A 7,165.0 31,739.0 View
Feb 25, 2026 SVP - Offshore Energy A A 16,320.0 121,834.0 View
Feb 25, 2026 SVP, Market Development A A 8.74 68,985.74 View
Feb 25, 2026 SVP-Project Acquisition & Ops A A 13,988.0 105,951.26 View
Feb 25, 2026 SVP-Proj Svcs & Fleet Engineer A A 13,988.0 99,940.0 View
Feb 25, 2026 SVP & CFO A A 26,603.0 138,733.24 View
Feb 25, 2026 CEO & President A A 132,825.0 1,292,202.29 View
Feb 25, 2026 SVP, CLO, CCO & Corp Secretary A A 19,149.0 101,330.0 View
Jan 20, 2026 M D 3,002.0 0.0 0.0 8,851.0 View
Jan 20, 2026 M D 2,849.0 0.0 0.0 11,853.0 View
Jan 20, 2026 M A 3,002.0 0.0 0.0 76,375.0 View
Jan 20, 2026 M A 2,849.0 0.0 0.0 73,373.0 View
Jan 05, 2026 A A 1,829.0 0.0 0.0 8,436.0 View
Jan 05, 2026 A A 1,829.0 0.0 0.0 42,619.0 View
Jan 05, 2026 A A 1,925.0 0.0 0.0 14,702.0 View
Jan 05, 2026 A A 2,106.0 0.0 0.0 43,443.0 View
Jan 05, 2026 A A 3,806.0 0.0 0.0 74,024.0 View
Dec 12, 2025 SVP-Project Acquisition & Ops S D 2,100.0 13.9564 29,308.44 91,963.26 View
Dec 04, 2025 SVP-Project Acquisition & Ops S D 10,000.0 13.0155 130,155.0 94,063.26 View