CECO ENVIRONMENTAL CORP — SC 13D/A Filings
21 SC 13D/A filings on record
This page lists all SC 13D/A filings submitted to the SEC by CECO ENVIRONMENTAL CORP (CECO), sorted by most recent first. Each row links to the full filing on EdgarLookup. CECO ENVIRONMENTAL CORP has filed 21 SC 13D/A documents with the SEC since 2007. To view all SEC filings by CECO ENVIRONMENTAL CORP, see the full filings list.
All
10-C
10-K
10-K/A
10-K405
10-Q
10-Q/A
10KSB
10KSB/A
10QSB
10QSB/A
144
3
4
4/A
424B1
424B3
425
5
8-K
8-K/A
ARS
CORRESP
D
DEF 14A
DEFA14A
EFFECT
FWP
NT 10-K
NT 10-Q
POS AM
POS EX
PRE 14A
PRER14A
REGDEX/A
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-3D
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13D/A | SC 13D/A | 0001193125-23-003439 | Jan 6, 2023 | — |
| SC 13D/A | SC 13D/A | 0001193125-22-223237 | Aug 17, 2022 | — |
| SC 13D/A | SC 13D/A | 0001193125-17-352394 | Nov 27, 2017 | — |
| SC 13D/A | SC 13D/A | 0001193125-17-346944 | Nov 17, 2017 | — |
| SC 13D/A | SC 13D/A | 0001193125-17-340043 | Nov 13, 2017 | — |
| SC 13D/A | SC 13D/A | 0001193125-17-311845 | Oct 17, 2017 | — |
| SC 13D/A | SCHEDULE 13D (AMENDMENT NO. 17) | 0001193125-15-318602 | Sep 11, 2015 | — |
| SC 13D/A | SCHEDULE 13D (AMENDMENT NO. 16) | 0001193125-15-169222 | May 4, 2015 | — |
| SC 13D/A | SC 13D/A | 0001193125-13-364065 | Sep 11, 2013 | — |
| SC 13D/A | SC 13D/A | 0001193125-13-167653 | Apr 23, 2013 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 13 | 0001193125-12-157220 | Apr 10, 2012 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 12 | 0001193125-11-155131 | Jun 1, 2011 | — |
| SC 13D/A | SCHEDULE OF 13D AMENDMENT NO. 11 | 0001193125-07-120647 | May 22, 2007 | — |
| SC 13D/A | — | 0000950116-00-002487 | Oct 5, 2000 | — |
| SC 13D/A | FORM SC 133/A | 0000950116-00-001630 | Jul 11, 2000 | — |
| SC 13D/A | — | 0000950116-00-001297 | May 18, 2000 | — |
| SC 13D/A | — | 0000950116-00-000393 | Feb 29, 2000 | — |
| SC 13D/A | — | 0000950116-97-001922 | Oct 22, 1997 | — |
| SC 13D/A | — | 0000950116-97-001920 | Oct 22, 1997 | — |
| SC 13D/A | AMEND. NO. 13 TO SC 13D | 0000950137-96-002483 | Dec 4, 1996 | — |
| SC 13D/A | AMEND. NO. 3 TO SC 13D | 0000950137-96-002482 | Dec 4, 1996 | — |