PDF SOLUTIONS INC — 4/A Filings
24 4/A filings on record
This page lists all 4/A filings submitted to the SEC by PDF SOLUTIONS INC (PDFS), sorted by most recent first. Each row links to the full filing on EdgarLookup. PDF SOLUTIONS INC has filed 24 4/A documents with the SEC since 2006. To view all SEC filings by PDF SOLUTIONS INC, see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
4
4/A
424B3
424B4
5
8-A12G
8-A12G/A
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
EFFECT
NT 10-K
PRE 14A
REGDEX
S-1
S-1/A
S-3
S-3/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4/A | — | 0001415889-22-001892 | Feb 25, 2022 | Jan 1, 2021 |
| 4/A | FORM 4/A | 0001437749-17-007891 | May 3, 2017 | Nov 8, 2013 |
| 4/A | FORM 4/A | 0001437749-17-004432 | Mar 13, 2017 | Nov 8, 2016 |
| 4/A | FORM 4/A | 0001437749-16-034564 | Jun 28, 2016 | Mar 7, 2014 |
| 4/A | PRIMARY DOCUMENT | 0001437749-13-003144 | Mar 18, 2013 | Mar 13, 2013 |
| 4/A | PRIMARY DOCUMENT | 0001437749-12-011541 | Nov 13, 2012 | Oct 31, 2012 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-049218 | Aug 26, 2008 | Aug 19, 2008 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-049217 | Aug 26, 2008 | Aug 19, 2008 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-049216 | Aug 26, 2008 | Aug 19, 2008 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-049215 | Aug 26, 2008 | Aug 19, 2008 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-049214 | Aug 26, 2008 | Aug 19, 2008 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-049213 | Aug 26, 2008 | Aug 19, 2008 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-049211 | Aug 26, 2008 | Aug 19, 2008 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-049209 | Aug 26, 2008 | Aug 19, 2008 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-049208 | Aug 26, 2008 | Aug 19, 2008 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-049207 | Aug 26, 2008 | Aug 19, 2008 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-033298 | May 27, 2008 | May 22, 2008 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-010819 | Feb 14, 2008 | Jul 20, 2007 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-08-010818 | Feb 14, 2008 | Jul 20, 2007 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-07-065155 | Nov 19, 2007 | Oct 30, 2006 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-07-033875 | May 30, 2007 | Nov 29, 2006 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-04-009634 | Feb 13, 2004 | Feb 11, 2004 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-03-019394 | Aug 28, 2003 | Aug 12, 2003 |
| 4/A | FORM 4/A SUBMISSION | 0001209191-03-018023 | Aug 20, 2003 | Aug 15, 2003 |