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.
| 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% |