Companies / Great Lakes Dredge & Dock Corp / Activity
Activity — Great Lakes Dredge & Dock Corp
86 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Mar 16, 2026 | Petterson Lasse CEO | Other | Common Stock | $629.8K | -37K -2.68% | 1,349,540 2.02% of shares | low |
| Mar 16, 2026 | Petterson Lasse CEO | Other | Common Stock | $525.8K | -31K -2.23% | 1,361,845 2.04% of shares | low |
| Mar 16, 2026 | Petterson Lasse CEO | Other | Common Stock | $339.2K | -20K -1.48% | 1,329,507 1.99% of shares | low |
| Mar 16, 2026 | Petterson Lasse CEO | Other | Common Stock | $262.9K | -16K -1.17% | 1,313,978 1.97% of shares | low |
| Mar 16, 2026 | Kornblau Scott Lee Executive | Other | Common Stock | $148.3K | -9K -5.61% | 147,517 0.22% of shares | low |
| Dec 31, 2025 | Beyko Eleni Executive | Other | Common Stock | $106.1K | -8K -6.04% | 125,807 0.19% of shares | low |
| Mar 16, 2026 | Kornblau Scott Lee Executive | Other | Common Stock | $99.1K | -6K -3.67% | 153,608 0.23% of shares | low |
| Mar 16, 2026 | Beyko Eleni Executive | Other | Common Stock | $80.8K | -5K -3.56% | 129,170 0.19% of shares | low |
| Mar 16, 2026 | Kornblau Scott Lee Executive | Other | Common Stock | $79.9K | -5K -3.40% | 134,014 0.20% of shares | low |
| Mar 16, 2026 | Gunsten Christopher Executive | Other | Common Stock | $69.3K | -4K -3.71% | 106,291 0.16% of shares | low |
| Mar 16, 2026 | Schiffer Vivienne Executive | Other | Common Stock | $58.6K | -3K -3.05% | 110,022 0.16% of shares | low |
| Mar 16, 2026 | Beyko Eleni Executive | Other | Common Stock | $54.0K | -3K -2.33% | 133,895 0.20% of shares | low |
| Mar 16, 2026 | Johanson David Executive | Other | Common Stock | $52.1K | -3K -2.63% | 113,858 0.17% of shares | low |
| Mar 16, 2026 | Kornblau Scott Lee Executive | Other | Common Stock | $49.5K | -3K -1.98% | 144,591 0.22% of shares | low |
| Mar 16, 2026 | Gunsten Christopher Executive | Other | Common Stock | $46.3K | -3K -2.41% | 110,636 0.17% of shares | low |
| Mar 16, 2026 | Beyko Eleni Executive | Other | Common Stock | $44.8K | -3K -2.17% | 119,189 0.18% of shares | low |
| Mar 16, 2026 | Schiffer Vivienne Executive | Other | Common Stock | $43.1K | -3K -2.15% | 115,872 0.17% of shares | low |
| Mar 16, 2026 | Gunsten Christopher Executive | Other | Common Stock | $37.3K | -2K -2.21% | 97,736 0.15% of shares | low |
| Mar 16, 2026 | Schiffer Vivienne Executive | Other | Common Stock | $34.9K | -2K -2.03% | 99,270 0.15% of shares | low |
| Mar 16, 2026 | Schiffer Vivienne Executive | Other | Common Stock | $34.8K | -2K -1.87% | 107,964 0.16% of shares | low |
| Mar 16, 2026 | Johanson David Executive | Other | Common Stock | $34.8K | -2K -1.70% | 119,216 0.18% of shares | low |
| Mar 16, 2026 | Beyko Eleni Executive | Other | Common Stock | $32.8K | -2K -1.50% | 127,231 0.19% of shares | low |
| Mar 16, 2026 | Hanson William H Executive | Other | Common Stock | $32.4K | -2K -2.52% | 73,896 0.11% of shares | low |
| Mar 16, 2026 | Johanson David Executive | Other | Common Stock | $28.1K | -2K -1.57% | 104,292 0.16% of shares | low |
| Mar 16, 2026 | Gunsten Christopher Executive | Other | Common Stock | $23.1K | -1K -1.29% | 104,924 0.16% of shares | low |
| Mar 16, 2026 | Bayer Ryan Executive | Other | Common Stock | $21.7K | -1K -4.04% | 30,457 0.05% of shares | low |
| Mar 16, 2026 | Hanson William H Executive | Other | Common Stock | $21.6K | -1K -1.63% | 77,222 0.12% of shares | low |
| Mar 16, 2026 | Hanson William H Executive | Other | Common Stock | $17.4K | -1K -1.49% | 67,956 0.10% of shares | low |
| Mar 16, 2026 | Johanson David Executive | Other | Common Stock | $17.4K | -1K -0.90% | 112,829 0.17% of shares | low |
| Mar 16, 2026 | Bayer Ryan Executive | Other | Common Stock | $14.5K | -854 -2.62% | 31,773 0.05% of shares | low |
| Mar 16, 2026 | Hanson William H Executive | Other | Common Stock | $10.8K | -639 -0.86% | 73,257 0.11% of shares | low |
| Mar 25, 2026 | Johanson David Executive | Grant | Common Stock | $5.6K | +521 +0.44% | 119,738 0.18% of shares | low |
| Dec 31, 2025 | Shipp Earl L Director | Grant | Common Stock | $0 | +2K +4.48% | 42,619 0.06% of shares | low |
| Jan 15, 2026 | Shanahan Kathleen M Director | Exercise | Common Stock | $0 | +3K +4.09% | 76,375 0.11% of shares | low |
| Jan 15, 2026 | Shanahan Kathleen M Director | Exercise | Common Stock | $0 | +3K +4.04% | 73,373 0.11% of shares | low |
| Dec 31, 2025 | Armstrong Dana A Director | Grant | Common Stock | $0 | +2K +27.68% | 8,436 0.01% of shares | low |
| Apr 1, 2026 | Schiffer Vivienne Executive | Grant | Common Stock | — | +29K +24.98% | 144,817 0.22% of shares | low |
| Apr 1, 2026 | Petterson Lasse CEO | Grant | Common Stock | — | +206K +15.16% | 1,568,290 2.35% of shares | low |
| Apr 1, 2026 | Kornblau Scott Lee Executive | Grant | Common Stock | — | +91K +58.93% | 244,126 0.37% of shares | low |
| Apr 1, 2026 | Johanson David Executive | Grant | Common Stock | — | +72K +60.01% | 191,598 0.29% of shares | low |
| Apr 1, 2026 | Hanson William H Executive | Grant | Common Stock | — | +14K +17.65% | 90,853 0.14% of shares | low |
| Apr 1, 2026 | Gunsten Christopher Executive | Grant | Common Stock | — | +72K +64.95% | 182,496 0.27% of shares | low |
| Apr 1, 2026 | Beyko Eleni Executive | Grant | Common Stock | — | +26K +20.27% | 151,312 0.23% of shares | low |
| Apr 1, 2026 | Bayer Ryan Executive | Grant | Common Stock | — | +6K +17.65% | 37,380 0.06% of shares | low |
| Apr 1, 2026 | Steger Ronald Director | Other | Deferred Stock Units | — | -45K -100.00% | 0 0.00% of shares | low |
| Mar 31, 2026 | Steger Ronald Director | Grant | Deferred Stock Units | — | +2K +3.74% | 45,068 0.07% of shares | low |
| Mar 31, 2026 | Shanahan Kathleen M Director | Other | Deferred Stock Units | — | -10K -100.00% | 0 0.00% of shares | low |
| Mar 31, 2026 | Shanahan Kathleen M Director | Grant | Deferred Stock Units | — | +1K +16.78% | 10,336 0.02% of shares | low |
| Apr 1, 2026 | Dickerson Lawrence R Director | Other | Deferred Stock Units | — | -77K -100.00% | 0 0.00% of shares | low |
| Mar 31, 2026 | Dickerson Lawrence R Director | Grant | Deferred Stock Units | — | +3K +3.97% | 76,962 0.12% of shares | low |