QUALYS, INC. — SC 13G/A Filings
42 SC 13G/A filings on record
This page lists all SC 13G/A filings submitted to the SEC by QUALYS, INC. (QLYS), sorted by most recent first. Each row links to the full filing on EdgarLookup. QUALYS, INC. has filed 42 SC 13G/A documents with the SEC since 2016. To view all SEC filings by QUALYS, INC., see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
4
4/A
424B4
5
8-A12B
8-K
8-K/A
ARS
CERTNAS
CORRESP
CT ORDER
DEF 14A
DEFA14A
EFFECT
PRE 14A
REGDEX
REGDEX/A
S-1
S-1/A
S-8
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G/A | — | 0000932471-24-001146 | Nov 12, 2024 | — |
| SC 13G/A | — | 0001415889-24-026079 | Nov 5, 2024 | — |
| SC 13G/A | — | 0000932471-24-000557 | Nov 4, 2024 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-24-021781 | Feb 13, 2024 | — |
| SC 13G/A | — | 0001415889-24-003410 | Feb 12, 2024 | — |
| SC 13G/A | — | 0001086364-24-001060 | Jan 22, 2024 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-23-079494 | Jul 10, 2023 | — |
| SC 13G/A | NONE | 0001567619-23-002244 | Feb 10, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-23-016798 | Feb 9, 2023 | — |
| SC 13G/A | — | 0001306550-23-002195 | Jan 23, 2023 | — |
| SC 13G/A | SC 13G/A | 0001193125-23-010363 | Jan 19, 2023 | — |
| SC 13G/A | NONE | 0001567619-22-004014 | Feb 14, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-018404 | Feb 10, 2022 | — |
| SC 13G/A | — | 0000834237-22-003299 | Jan 28, 2022 | — |
| SC 13G/A | SC 13G/A | 0001193125-21-041631 | Feb 12, 2021 | — |
| SC 13G/A | NONE | 0001567619-21-003010 | Feb 11, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-018930 | Feb 10, 2021 | — |
| SC 13G/A | — | 0000834237-21-001969 | Jan 27, 2021 | — |
| SC 13G/A | NONE | 0001567619-20-003284 | Feb 13, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-017919 | Feb 12, 2020 | — |
| SC 13G/A | SC 13G/A | 0001193125-20-031350 | Feb 11, 2020 | — |
| SC 13G/A | — | 0000834237-20-002808 | Feb 4, 2020 | — |
| SC 13G/A | SC 13G/A | 0001193125-19-041089 | Feb 14, 2019 | — |
| SC 13G/A | NONE | 0001567619-19-003527 | Feb 13, 2019 | — |
| SC 13G/A | — | 0000932471-19-005985 | Feb 12, 2019 | — |
| SC 13G/A | — | 0000215457-19-002610 | Jan 31, 2019 | — |
| SC 13G/A | SC 13G/A | 0001193125-18-036527 | Feb 9, 2018 | — |
| SC 13G/A | — | 0000215457-18-001350 | Jan 19, 2018 | — |
| SC 13G/A | — | 0000215457-17-003688 | Oct 10, 2017 | — |
| SC 13G/A | CHAMPLAIN 13G/A TICKER QLYS | 0001315478-17-000020 | Feb 14, 2017 | — |
| SC 13G/A | SC 13G/A | 0001193125-17-040574 | Feb 13, 2017 | — |
| SC 13G/A | — | 0000790502-16-000084 | Dec 16, 2016 | — |
| SC 13G/A | CHAMPLAIN 13G/A TICKER QLYS | 0001315478-16-000061 | Mar 17, 2016 | — |
| SC 13G/A | SC 13G/A | 0001193125-16-462508 | Feb 12, 2016 | — |
| SC 13G/A | AMENDMENT NO. 3 TO SCHEDULE 13G | 0001193125-16-455958 | Feb 10, 2016 | — |
| SC 13G/A | — | 0000790502-16-000074 | Jan 26, 2016 | — |
| SC 13G/A | — | 0000930413-15-001715 | Apr 10, 2015 | — |
| SC 13G/A | SC 13G/A | 0001193125-15-045305 | Feb 12, 2015 | — |
| SC 13G/A | SC 13G/A | 0001193125-15-037684 | Feb 9, 2015 | — |
| SC 13G/A | NONE | 0001140361-14-018224 | May 1, 2014 | — |
| SC 13G/A | NONE | 0001140361-14-014370 | Mar 27, 2014 | — |
| SC 13G/A | CHAMPLAIN 13G QLYS | 0001315478-14-000017 | Feb 26, 2014 | — |