Great Lakes Dredge & Dock CORP - GLDD
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 5
Latest filed: Jul 14, 2026
| Form | Count |
|---|---|
| SCHEDULE 13G/A | 4 |
| SCHEDULE 13G | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Jul 14, 2026 | SCHEDULE 13G/A | — | 0000354204-26-000831 | View |
| May 06, 2026 | SCHEDULE 13G/A | — | 0000053417-26-000034 | View |
| Apr 30, 2026 | SCHEDULE 13G | — | 0002100119-26-000665 | View |
| Apr 28, 2026 | SCHEDULE 13G/A | — | 0002012383-26-001773 | View |
| Apr 09, 2026 | SCHEDULE 13G/A | — | 0000354204-26-000556 | View |