Great Lakes Dredge & Dock CORP — All Filings
1,005 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
All
10-K
10-K/A
10-Q
10-Q/A
144
15-12B
25-NSE
3
3/A
4
4/A
424B3
424B4
5
8-A12B
8-K
8-K/A
ARS
CERTNAS
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
DEFR14A
EFFECT
NT 10-K
NT 10-Q
POS AM
PRE 14A
S-1
S-1/A
S-3
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14D9
SC 14D9/A
SC TO-C
SC TO-T
SC TO-T/A
SC14D9C
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 14D9/A | SC 14D9/A | 0001193125-26-129489 | Mar 27, 2026 | — |
| SCHEDULE 13G/A | — | 0000102909-26-001509 | Mar 27, 2026 | — |
| 4 | 4 | 0001193125-26-124387 | Mar 25, 2026 | Dec 31, 2025 |
| 4/A | 4/A | 0001193125-26-124360 | Mar 25, 2026 | May 8, 2025 |
| 4/A | 4/A | 0001193125-26-124338 | Mar 25, 2026 | May 8, 2025 |
| 4/A | 4/A | 0001193125-26-124307 | Mar 25, 2026 | May 8, 2025 |
| 4/A | 4/A | 0001193125-26-124292 | Mar 25, 2026 | May 8, 2025 |
| 4/A | 4/A | 0001193125-26-124281 | Mar 25, 2026 | May 8, 2025 |
| 4/A | 4/A | 0001193125-26-124265 | Mar 25, 2026 | May 8, 2025 |
| 4/A | 4/A | 0001193125-26-124243 | Mar 25, 2026 | May 8, 2025 |
| 4/A | 4/A | 0001193125-26-124237 | Mar 25, 2026 | May 8, 2025 |
| SC 14D9/A | SC 14D9/A | 0001193125-26-119984 | Mar 23, 2026 | — |
| SC TO-T/A | SC TO-T/A | 0001193125-26-119735 | Mar 23, 2026 | — |
| 8-K | 8-K | 0001193125-26-117940 | Mar 20, 2026 | Mar 17, 2026 |
| 4 | 4 | 0001193125-26-114344 | Mar 18, 2026 | Mar 16, 2026 |
| 4 | 4 | 0001193125-26-114291 | Mar 18, 2026 | Mar 16, 2026 |
| 4 | 4 | 0001193125-26-114260 | Mar 18, 2026 | Mar 16, 2026 |
| 4 | 4 | 0001193125-26-114240 | Mar 18, 2026 | Mar 16, 2026 |
| 4 | 4 | 0001193125-26-114214 | Mar 18, 2026 | Mar 16, 2026 |
| 4 | 4 | 0001193125-26-114182 | Mar 18, 2026 | Mar 16, 2026 |
| 4 | 4 | 0001193125-26-114146 | Mar 18, 2026 | Mar 16, 2026 |
| 4 | 4 | 0001193125-26-114130 | Mar 18, 2026 | Mar 16, 2026 |
| SC 14D9/A | SC 14D9/A | 0001193125-26-114045 | Mar 18, 2026 | — |
| SC TO-T/A | SC TO-T/A | 0001193125-26-113936 | Mar 18, 2026 | — |
| 8-K | FORM 8-K | 0001171843-26-001707 | Mar 18, 2026 | — |
| SC 14D9/A | SC 14D9/A | 0001193125-26-106270 | Mar 13, 2026 | — |
| 10-K/A | 10-K/A | 0001193125-26-097043 | Mar 9, 2026 | Dec 31, 2025 |
| SC 14D9 | SC 14D9 | 0001193125-26-091845 | Mar 4, 2026 | — |
| SC TO-T | SC TO-T | 0001193125-26-091662 | Mar 4, 2026 | — |
| SCHEDULE 13G/A | — | 0002012383-26-000937 | Mar 4, 2026 | — |
| 4 | 4 | 0001193125-26-072028 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | 4 | 0001193125-26-071981 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | 4 | 0001193125-26-071950 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | 4 | 0001193125-26-071937 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | 4 | 0001193125-26-071887 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | 4 | 0001193125-26-071871 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | 4 | 0001193125-26-071816 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | 4 | 0001193125-26-071784 | Feb 25, 2026 | Feb 23, 2026 |
| 10-K | 10-K | 0001193125-26-064007 | Feb 23, 2026 | Dec 31, 2025 |
| 8-K | FORM 8-K | 0001171843-26-001020 | Feb 23, 2026 | — |
| 8-K | FORM 8-K | 0001171843-26-000790 | Feb 12, 2026 | — |
| SC14D9C | SC14D9C | 0001193125-26-046561 | Feb 11, 2026 | — |
| SC TO-C | SC TO-C | 0001193125-26-046550 | Feb 11, 2026 | — |
| 8-K | 8-K | 0001193125-26-045567 | Feb 11, 2026 | Feb 10, 2026 |
| 4 | 4 | 0001193125-26-016755 | Jan 20, 2026 | Jan 15, 2026 |
| 4 | 4 | 0001193125-26-002883 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002873 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002863 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002855 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-002840 | Jan 5, 2026 | Dec 31, 2025 |