Great Lakes Dredge & Dock CORP
Insider Ownership
| 8-K/A | 34 | 03/03/2025 | 01/05/2025 |
| 8-K | 34 | 02/18/2025 | 02/18/2025 |
| 8-K | 34 | 11/12/2024 | 11/07/2024 |
| 10-Q | 34 | 11/05/2024 | 09/30/2024 |
| 8-K | 34 | 11/05/2024 | 11/05/2024 |
| 10-Q | 34 | 08/06/2024 | 06/30/2024 |
| 8-K | 34 | 08/06/2024 | 08/06/2024 |
| 8-K | 34 | 05/14/2024 | 05/13/2024 |
| 8-K | 34 | 05/13/2024 | 05/09/2024 |
| 10-Q | 34 | 05/07/2024 | 03/31/2024 |
≥5% Ownership
| 4 | 04/28/2025 | 04/24/2025 | |
| 4/A | 04/28/2025 | 03/31/2025 | |
| 4/A | 04/28/2025 | 03/31/2025 | |
| 4/A | 04/28/2025 | 03/31/2025 | |
| 4/A | 04/28/2025 | 03/31/2025 | |
| 4/A | 04/28/2025 | 03/31/2025 | |
| 4 | 04/01/2025 | 03/31/2025 | |
| 4 | 04/01/2025 | 03/31/2025 | |
| 4 | 04/01/2025 | 03/31/2025 | |
| 4 | 04/01/2025 | 03/31/2025 |