SEC Insider Transactions from Kornblau Scott Lee.

Last updated: 2026-04-01 21:05 UTC | Total transactions: 33

Scott Lee Kornblau, SVP and CFO of Great Lakes Dredge & Dock Corp ($GLDD), made one open market sale of shares worth $686 thousand in the last year, with the most recent on August 11, 2025. This ranks 5,787th among 11,678 insiders by sale value, well below the average of $8.6 million per person across about 6.4 transactions. No open market purchases recorded.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
April 1, 2026 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO U Common Stock 244126 $0.00 0.0000 67,999,305 100.00% 0.36%
April 1, 2026 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO A Common Stock 90518 $0.00 244,126.2400 67,999,305 58.93% 0.13%
May 8, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO A Common Stock 25058 $0.00 171,935.2400 67,282,528 17.06% 0.04%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO F Common Stock 8762 $16.93 147,517.2400 67,999,305 5.61% 0.01%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO F Common Stock 2926 $16.93 144,591.2400 67,999,305 1.98% 0.00%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO F Common Stock 5851 $16.93 153,608.2400 67,999,305 3.67% 0.01%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO A Common Stock 14868 $0.00 159,459.2400 67,999,305 10.28% 0.02%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO F Common Stock 4719 $16.93 134,014.2400 67,999,305 3.40% 0.01%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO A Common Stock 22265 $0.00 156,279.2400 67,999,305 16.61% 0.03%
Feb. 23, 2026 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO A Common Stock 26603 $0.00 138,733.2400 67,999,305 23.73% 0.04%
Aug. 11, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO S Common Stock 59805 $11.48 112,130.2400 67,282,528 34.78% 0.09%
May 8, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO A Common Stock 25058 $0.00 171,935.2400 67,282,528 17.06% 0.04%
May 5, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO F Common Stock 1676 $9.54 147,947.2400 67,282,528 1.12% 0.00%
May 5, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO F Common Stock 1070 $9.54 146,877.2400 67,282,528 0.72% 0.00%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO F Common Stock 5822 $8.70 131,428.2400 67,282,528 4.24% 0.01%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO A Common Stock 30000 $0.00 161,428.2400 67,282,528 22.83% 0.04%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO F Common Stock 11805 $8.70 149,623.2400 67,282,528 7.31% 0.02%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO F Common Stock 8657 $8.70 125,382.2400 67,282,528 6.46% 0.01%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO F Common Stock 2926 $8.70 122,456.2400 67,282,528 2.33% 0.00%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO A Common Stock 14794 $0.00 137,250.2400 67,282,528 12.08% 0.02%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO A Common Stock 22000 $0.00 134,039.2400 67,282,528 19.64% 0.03%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP & CFO F Common Stock 4718 $8.70 112,039.2400 67,282,528 4.04% 0.01%
May 6, 2024 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP, CFO & Treasurer F Common Stock 1676 $7.04 116,757.2400 0 1.42% 0.00%
April 25, 2024 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP, CFO & Treasurer F Common Stock 19675 $7.19 118,433.2400 0 14.25% 0.00%
April 25, 2024 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP, CFO & Treasurer A Common Stock 50000 $0.00 138,108.2400 0 56.75% 0.00%
March 15, 2024 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP, CFO & Treasurer F Common Stock 4718 $8.62 65,803.2400 0 6.69% 0.00%
March 15, 2024 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP, CFO & Treasurer A Common Stock 22305 $0.00 88,108.2400 0 33.90% 0.00%
March 15, 2024 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP, CFO & Treasurer A Common Stock 12145 $0.00 75,301.2400 0 19.23% 0.00%
March 15, 2024 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP, CFO & Treasurer F Common Stock 4780 $8.62 70,521.2400 0 6.35% 0.00%
March 5, 2024 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP, CFO & Treasurer F Common Stock 1850 $8.70 63,156.2400 0 2.85% 0.00%
May 5, 2023 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP, CFO & Treasurer F Common Stock 1691 $5.75 62,405.0000 0 2.64% 0.00%
March 15, 2023 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP, CFO & Treasurer A Common Stock 35968 $0.00 64,096.0000 0 127.87% 0.00%
March 6, 2023 Great Lakes Dredge & Dock CORP $GLDD Kornblau Scott Lee SVP, CFO & Treasurer F Common Stock 2133 $5.78 25,643.0000 0 7.68% 0.00%