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 | Schiffer Vivienne Executive | Grant | Common Stock | — | +10K +9.68% | 118,418 0.18% of shares | low |
| Mar 16, 2026 | Schiffer Vivienne Executive | Grant | Common Stock | — | +14K +14.32% | 113,483 0.17% of shares | low |
| Feb 23, 2026 | Schiffer Vivienne Executive | Grant | Common Stock | — | +19K +23.30% | 101,330 0.15% of shares | low |
| May 8, 2025 | Schiffer Vivienne Executive | Grant | Common Stock | — | +18K +28.12% | 82,181 0.12% of shares | low |
| Mar 16, 2026 | Hanson William H Executive | Grant | Common Stock | — | +5K +7.16% | 78,499 0.12% of shares | low |
| Mar 16, 2026 | Hanson William H Executive | Grant | Common Stock | — | +8K +11.56% | 75,809 0.11% of shares | low |
| Feb 23, 2026 | Hanson William H Executive | Grant | Common Stock | — | +9 +0.01% | 68,986 0.10% of shares | low |
| May 8, 2025 | Hanson William H Executive | Grant | Common Stock | — | +8K +13.56% | 68,977 0.10% of shares | low |
| Mar 16, 2026 | Kornblau Scott Lee Executive | Grant | Common Stock | — | +15K +10.28% | 159,459 0.24% of shares | low |
| Mar 16, 2026 | Kornblau Scott Lee Executive | Grant | Common Stock | — | +22K +16.61% | 156,279 0.23% of shares | low |
| Feb 23, 2026 | Kornblau Scott Lee Executive | Grant | Common Stock | — | +27K +23.73% | 138,733 0.21% of shares | low |
| May 8, 2025 | Kornblau Scott Lee Executive | Grant | Common Stock | — | +25K +17.06% | 171,935 0.26% of shares | low |
| Dec 31, 2025 | Steger Ronald Director | Grant | Deferred Stock Units | — | +2K +5.09% | 43,443 0.07% of shares | low |
| Mar 16, 2026 | Petterson Lasse CEO | Grant | Common Stock | — | +79K +6.01% | 1,392,902 2.09% of shares | low |
| Mar 16, 2026 | Petterson Lasse CEO | Grant | Common Stock | — | +95K +7.32% | 1,386,742 2.08% of shares | low |
| Feb 23, 2026 | Petterson Lasse CEO | Grant | Common Stock | — | +133K +11.46% | 1,292,202 1.93% of shares | low |
| May 8, 2025 | Petterson Lasse CEO | Grant | Common Stock | — | +125K +12.10% | 1,159,377 1.74% of shares | low |
| Mar 16, 2026 | Johanson David Executive | Grant | Common Stock | — | +8K +7.48% | 121,273 0.18% of shares | low |
| Mar 16, 2026 | Johanson David Executive | Grant | Common Stock | — | +13K +12.13% | 116,938 0.18% of shares | low |
| Mar 16, 2026 | Gunsten Christopher Executive | Grant | Common Stock | — | +8K +8.05% | 113,368 0.17% of shares | low |
| Mar 16, 2026 | Gunsten Christopher Executive | Grant | Common Stock | — | +13K +12.94% | 110,382 0.17% of shares | low |
| Mar 16, 2026 | Beyko Eleni Executive | Grant | Common Stock | — | +10K +7.74% | 137,083 0.21% of shares | low |
| Mar 16, 2026 | Beyko Eleni Executive | Grant | Common Stock | — | +15K +12.38% | 133,943 0.20% of shares | low |
| Mar 16, 2026 | Bayer Ryan Executive | Grant | Common Stock | — | +2K +7.12% | 32,627 0.05% of shares | low |
| Feb 23, 2026 | Gunsten Christopher Executive | Grant | Common Stock | — | +14K +16.27% | 99,940 0.15% of shares | low |
| Feb 23, 2026 | Johanson David Executive | Grant | Common Stock | — | +14K +15.21% | 105,951 0.16% of shares | low |
| Feb 23, 2026 | Beyko Eleni Executive | Grant | Common Stock | — | +16K +15.47% | 121,834 0.18% of shares | low |
| Feb 23, 2026 | Bayer Ryan Executive | Grant | Common Stock | — | +7K +29.16% | 31,739 0.05% of shares | low |
| Jan 15, 2026 | Shanahan Kathleen M Director | Exercise | Deferred Stock Units | — | -3K -25.33% | 8,851 0.01% of shares | low |
| Jan 15, 2026 | Shanahan Kathleen M Director | Exercise | Deferred Stock Units | — | -3K -19.38% | 11,853 0.02% of shares | low |
| Dec 31, 2025 | Shanahan Kathleen M Director | Grant | Deferred Stock Units | — | +2K +15.07% | 14,702 0.02% of shares | low |
| Dec 31, 2025 | Dickerson Lawrence R Director | Grant | Deferred Stock Units | — | +4K +5.42% | 74,024 0.11% of shares | low |
| May 8, 2025 | Bayer Ryan Executive | Grant | Common Stock | — | +10K +70.09% | 24,574 0.04% of shares | low |
| May 8, 2025 | Beyko Eleni Executive | Grant | Common Stock | — | +15K +17.06% | 105,514 0.16% of shares | low |
| May 8, 2025 | Johanson David Executive | Grant | Common Stock | — | +13K +14.50% | 104,063 0.16% of shares | low |
| May 8, 2025 | Gunsten Christopher Executive | Grant | Common Stock | — | +13K +18.11% | 85,952 0.13% of shares | low |