| 2023-05-19 | Great Lakes Dredge & Dock Corporation GLDD | director | 121,721 0.183% | $6.82 | $830,490 | +14.82% | ||
| 2023-05-18 | Great Lakes Dredge & Dock Corporation GLDD | director | 6,860 0.0102% | $6.75 | $46,286 | +14.78% | ||
| 2023-05-17 | Great Lakes Dredge & Dock Corporation GLDD | director | 5,207 0.0077% | $6.64 | $34,552 | +16.62% | ||
| 2023-05-12 | Great Lakes Dredge & Dock Corporation GLDD | director | 68,000 0.1039% | $6.10 | $414,528 | +29.9% | ||
| 2023-05-11 | Great Lakes Dredge & Dock Corporation GLDD | director | 66,000 0.099% | $6.13 | $404,864 | +26.74% | ||
| 2023-05-10 | Great Lakes Dredge & Dock Corporation GLDD | director | 66,000 0.0996% | $6.05 | $399,142 | +29.26% | ||
| 2020-12-10 | Sale | Great Lakes Dredge & Dock Corporation GLDD | director | 55,955 0.0865% | $11.64 | $651,532 | +26.89% | |
| 2020-06-12 | Sale | Great Lakes Dredge & Dock Corporation GLDD | director | 130,000 0.2014% | $8.92 | $1.16M | +31.68% | |
| 2020-06-11 | Sale | Great Lakes Dredge & Dock Corporation GLDD | director | 41,879 0.0669% | $9.33 | $390,614 | +29.3% | |
| 2020-05-14 | Sale | Great Lakes Dredge & Dock Corporation GLDD | director | 8,000 0.0123% | $7.87 | $62,922 | +41.33% | |
| 2020-05-13 | Sale | Great Lakes Dredge & Dock Corporation GLDD | director | 40,000 0.0622% | $8.37 | $334,916 | +34.28% | |
| 2020-05-12 | Sale | Great Lakes Dredge & Dock Corporation GLDD | director | 50,000 0.0793% | $9.05 | $452,510 | +26.42% | |
| 2019-12-04 | Great Lakes Dredge & Dock Corporation GLDD | director | 53,536 0.0841% | $10.65 | $570,014 | -9.55% | ||
| 2019-12-03 | Great Lakes Dredge & Dock Corporation GLDD | director | 13,839 0.0213% | $10.55 | $146,046 | -10.48% | ||
| 2019-12-02 | Great Lakes Dredge & Dock Corporation GLDD | director | 32,625 0.0508% | $10.58 | $345,146 | -9.72% | ||
| 2019-08-16 | Sale | Great Lakes Dredge & Dock Corporation GLDD | director | 21,485 0.0336% | $10.12 | $217,480 | -1.18% | |
| 2019-08-15 | Sale | Great Lakes Dredge & Dock Corporation GLDD | director | 21,905 0.0343% | $10.14 | $222,079 | -1.18% | |
| 2019-06-05 | Sale | Great Lakes Dredge & Dock Corporation GLDD | director | 55,000 0.0871% | $11.14 | $612,596 | -6.24% | |
| 2019-06-04 | Sale | Great Lakes Dredge & Dock Corporation GLDD | director | 178,000 0.2761% | $10.75 | $1.91M | -4.86% | |
| 2019-05-08 | Sale | Great Lakes Dredge & Dock Corporation GLDD | director | 207,683 0.3266% | $10.91 | $2.27M | -3.39% |