Great Lakes Dredge & Dock CORP — SCHEDULE 13G/A Filings
7 SCHEDULE 13G/A filings on record
This page lists all SCHEDULE 13G/A filings submitted to the SEC by Great Lakes Dredge & Dock CORP (GLDD), sorted by most recent first. Each row links to the full filing on EdgarLookup. Great Lakes Dredge & Dock CORP has filed 7 SCHEDULE 13G/A documents with the SEC since 2014. To view all SEC filings by Great Lakes Dredge & Dock CORP, see the full filings list.
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 |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001509 | Mar 27, 2026 | — |
| SCHEDULE 13G/A | — | 0002012383-26-000937 | Mar 4, 2026 | — |
| SCHEDULE 13G/A | — | 0000053417-25-000100 | Nov 5, 2025 | — |
| SCHEDULE 13G/A | — | 0000053417-25-000064 | May 9, 2025 | — |
| SCHEDULE 13G/A | — | 0002052113-25-001606 | Apr 24, 2025 | — |
| SCHEDULE 13G/A | — | 0001532155-25-000031 | Feb 5, 2025 | — |
| SCHEDULE 13G/A | — | 0001532155-24-000267 | Nov 15, 2024 | — |