CSP INC /MA/ — SC 13G/A Filings
77 SC 13G/A filings on record
This page lists all SC 13G/A filings submitted to the SEC by CSP INC /MA/ (CSPI), sorted by most recent first. Each row links to the full filing on EdgarLookup. CSP INC /MA/ has filed 77 SC 13G/A documents with the SEC since 1994. To view all SEC filings by CSP INC /MA/, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
144
3
4
4/A
5
5/A
8-K
8-K/A
CORRESP
DEF 14A
DEFA14A
DEFC14A
DEFN14A
DEFR14A
DEFS14A
DFAN14A
NO ACT
NT 10-K
NT 10-Q
NT 10-Q/A
PRE 14A
PREC14A
PRER14A
PRES14A
PRRN14A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
SD/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G/A | SEC SCHEDULE 13G | 0000354204-24-003124 | Feb 9, 2024 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000354204-23-001514 | Feb 10, 2023 | — |
| SC 13G/A | — | 0001037389-22-000030 | Feb 10, 2022 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000354204-22-001678 | Feb 8, 2022 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000354204-21-000309 | Feb 12, 2021 | — |
| SC 13G/A | — | 0001037389-21-000190 | Feb 11, 2021 | — |
| SC 13G/A | AMENDMENT NO. 6 | 0001214659-21-000644 | Jan 20, 2021 | — |
| SC 13G/A | — | 0001037389-20-000172 | Feb 13, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-20-000905 | Feb 12, 2020 | — |
| SC 13G/A | AMENDMENT NO. 5 | 0001214659-20-000489 | Jan 22, 2020 | — |
| SC 13G/A | — | 0001037389-19-000171 | Feb 13, 2019 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-19-001153 | Feb 8, 2019 | — |
| SC 13G/A | AMENDMENT NO. 4 | 0001214659-19-000405 | Jan 17, 2019 | — |
| SC 13G/A | — | 0001037389-18-000099 | Feb 14, 2018 | — |
| SC 13G/A | — | 0001275935-18-000003 | Feb 13, 2018 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-18-001148 | Feb 9, 2018 | — |
| SC 13G/A | AMENDMENT NO. 3 | 0001214659-18-000302 | Jan 9, 2018 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-17-001023 | Feb 9, 2017 | — |
| SC 13G/A | AMENDMENT NO. 2 | 0001214659-17-000223 | Jan 10, 2017 | — |
| SC 13G/A | — | 0001275935-17-000002 | Jan 9, 2017 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-16-002703 | Feb 9, 2016 | — |
| SC 13G/A | — | 0001275935-16-000005 | Jan 21, 2016 | — |
| SC 13G/A | AMENDMENT NO. 1 | 0001214659-16-008820 | Jan 11, 2016 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-15-000688 | Feb 5, 2015 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001167674-14-000746 | Feb 10, 2014 | — |
| SC 13G/A | SC13GA CSP INC. JULY13 | 0000936753-13-000095 | Aug 9, 2013 | — |
| SC 13G/A | SC13GA CSP INC. MARCH13 | 0000936753-13-000067 | Apr 10, 2013 | — |
| SC 13G/A | — | 0001494655-13-000001 | Feb 15, 2013 | — |
| SC 13G/A | SC13GA CSP DEC12 | 0000936753-13-000044 | Feb 14, 2013 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001167674-13-000205 | Feb 11, 2013 | — |
| SC 13G/A | SC 13G/A CSP, INC. | 0001130381-12-000010 | Feb 15, 2012 | — |
| SC 13G/A | SC13GA CSP INC. DEC11 | 0000936753-12-000048 | Feb 14, 2012 | — |
| SC 13G/A | SCHEDULE 13G/A | 0000354204-12-000941 | Feb 14, 2012 | — |
| SC 13G/A | — | 0001494655-11-000002 | Feb 15, 2011 | — |
| SC 13G/A | SCHEDULE 13G | 0000354204-11-000878 | Feb 11, 2011 | — |
| SC 13G/A | SCHEDULE 13G FOR AUGUST 31, 2010 | 0001095449-10-000114 | Sep 10, 2010 | — |
| SC 13G/A | SCHEDULE 13G FOR DECEMBER 31, 2010 | 0001095449-10-000011 | Feb 8, 2010 | — |
| SC 13G/A | SCHEDULE 13G | 0000354204-10-000930 | Feb 8, 2010 | — |
| SC 13G/A | SCHEDULE 13G | 0000354204-09-000962 | Feb 9, 2009 | — |
| SC 13G/A | — | 0001275935-08-000004 | Feb 1, 2008 | — |
| SC 13G/A | SCHEDULE 13G FOR DECEMBER 31, 2007 | 0001095449-08-000007 | Jan 25, 2008 | — |
| SC 13G/A | SCHEDULE 13G FOR DECEMBER 31, 2007 | 0001095449-08-000006 | Jan 25, 2008 | — |
| SC 13G/A | SCHEDULE 13G FOR MAY 31, 2007 | 0001095449-07-000025 | Jul 11, 2007 | — |
| SC 13G/A | — | 0000950159-07-000820 | Jun 22, 2007 | — |
| SC 13G/A | — | 0000950159-07-000161 | Feb 13, 2007 | — |
| SC 13G/A | SCHEDULE 13G FOR DECEMBER 31, 2005 | 0001095449-06-000019 | Feb 13, 2006 | — |
| SC 13G/A | SCHEDULE 13G FOR DECEMBER 31, 2005 | 0001095449-06-000017 | Feb 10, 2006 | — |
| SC 13G/A | SCHEDULE 13G | 0000898430-06-000675 | Feb 6, 2006 | — |
| SC 13G/A | — | 0000950159-06-000177 | Feb 6, 2006 | — |
| SC 13G/A | SCHEDULE 13G FOR DECEMBER 31, 2004 | 0001095449-05-000004 | Feb 11, 2005 | — |