PDF SOLUTIONS INC — SC 13G/A Filings
117 SC 13G/A filings on record
This page lists all SC 13G/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 117 SC 13G/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 |
|---|---|---|---|---|
| SC 13G/A | SC 13G/A | 0001558370-24-001043 | Feb 13, 2024 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-24-021683 | Feb 13, 2024 | — |
| SC 13G/A | — | 0001086364-24-001759 | Jan 23, 2024 | — |
| SC 13G/A | SC 13G/A | 0001558370-23-001254 | Feb 14, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-23-016698 | Feb 9, 2023 | — |
| SC 13G/A | — | 0001306550-23-002221 | Jan 23, 2023 | — |
| SC 13G/A | — | 0000080255-22-002007 | Feb 14, 2022 | — |
| SC 13G/A | SC 13G/A | 0001558370-22-001053 | Feb 11, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-018307 | Feb 10, 2022 | — |
| SC 13G/A | — | 0000834237-22-003197 | Jan 28, 2022 | — |
| SC 13G/A | — | 0000080255-21-001110 | Feb 16, 2021 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000354204-21-000514 | Feb 16, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-21-002876 | Feb 16, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-018839 | Feb 10, 2021 | — |
| SC 13G/A | — | 0000834237-21-002037 | Jan 27, 2021 | — |
| SC 13G/A | — | 0000080255-20-001130 | Feb 14, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-20-002718 | Feb 14, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-20-002719 | Feb 14, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-018780 | Feb 12, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-20-001226 | Feb 12, 2020 | — |
| SC 13G/A | — | 0000834237-20-002594 | Feb 4, 2020 | — |
| SC 13G/A | — | 0000080255-19-002512 | Feb 14, 2019 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-19-002501 | Feb 14, 2019 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-19-002502 | Feb 14, 2019 | — |
| SC 13G/A | — | 0000315066-19-001255 | Feb 13, 2019 | — |
| SC 13G/A | — | 0000215457-19-002210 | Jan 31, 2019 | — |
| SC 13G/A | — | 0000080255-18-002408 | Feb 14, 2018 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-18-002259 | Feb 13, 2018 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-18-002260 | Feb 13, 2018 | — |
| SC 13G/A | — | 0000919574-18-001139 | Feb 13, 2018 | — |
| SC 13G/A | — | 0000215457-18-001165 | Jan 19, 2018 | — |
| SC 13G/A | — | 0000215457-17-008098 | Dec 7, 2017 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-17-002348 | Feb 14, 2017 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-17-002347 | Feb 14, 2017 | — |
| SC 13G/A | — | 0000919574-17-001327 | Feb 13, 2017 | — |
| SC 13G/A | — | 0000080255-17-001120 | Feb 7, 2017 | — |
| SC 13G/A | — | 0000215457-16-006025 | Mar 10, 2016 | — |
| SC 13G/A | SC 13G AMENDMENT NO. 1 | 0001193125-16-457299 | Feb 10, 2016 | — |
| SC 13G/A | PDFS AS OF 12/31/2015 | 0000080255-16-000904 | Feb 10, 2016 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-16-025011 | Feb 9, 2016 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-16-025010 | Feb 9, 2016 | — |
| SC 13G/A | — | 0001559921-15-000068 | Sep 9, 2015 | — |
| SC 13G/A | — | 0000315066-15-002666 | May 11, 2015 | — |
| SC 13G/A | FEBRUARY 17, 2015 | 0001013594-15-000084 | Feb 17, 2015 | — |
| SC 13G/A | — | 0000315066-15-002238 | Feb 13, 2015 | — |
| SC 13G/A | PDFS AS OF 12/31/2014 | 0000080255-15-000163 | Feb 11, 2015 | — |
| SC 13G/A | — | 0001086364-15-001593 | Feb 2, 2015 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-15-001182 | Jan 26, 2015 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-15-001184 | Jan 26, 2015 | — |
| SC 13G/A | — | 0000315066-14-002825 | Apr 10, 2014 | — |