CSG SYSTEMS INTERNATIONAL INC — All Filings
1,002 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-K/A
10-K405
10-Q
10-Q/A
144
3
3/A
4
4/A
424B1
424B3
424B7
5
8-K
8-K/A
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFM14A
IRANNOTICE
POS AM
PRE 14A
PREM14A
S-3
S-3/A
S-8
S-8 POS
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13G
SCHEDULE 13G/A
SEC STAFF LETTER
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001011 | Mar 26, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001005757-26-000018 | Mar 11, 2026 | Mar 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0001005757-26-000016 | Mar 11, 2026 | Mar 10, 2026 |
| 10-K | 10-K | 0001193125-26-059632 | Feb 19, 2026 | Dec 31, 2025 |
| 8-K/A | 8-K/A | 0001193125-26-039174 | Feb 5, 2026 | Feb 4, 2026 |
| 8-K | 8-K | 0001193125-26-037658 | Feb 4, 2026 | — |
| 8-K | 8-K | 0001193125-26-031575 | Jan 30, 2026 | — |
| SCHEDULE 13G/A | — | 0000102909-26-000108 | Jan 30, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001005757-26-000014 | Jan 22, 2026 | Jan 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001005757-26-000012 | Jan 22, 2026 | Jan 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001005757-26-000010 | Jan 22, 2026 | Jan 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001005757-26-000008 | Jan 22, 2026 | Jan 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001005757-26-000006 | Jan 22, 2026 | Jan 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001005757-26-000004 | Jan 22, 2026 | Jan 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001005757-26-000002 | Jan 22, 2026 | Jan 20, 2026 |
| DEFA14A | DEFA14A | 0001193125-26-006816 | Jan 8, 2026 | — |
| 8-K | 8-K | 0001193125-26-004380 | Jan 6, 2026 | Jan 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001005757-25-000034 | Dec 19, 2025 | Dec 18, 2025 |
| 4 | PRIMARY DOCUMENT | 0001005757-25-000032 | Dec 19, 2025 | Dec 18, 2025 |
| 4 | PRIMARY DOCUMENT | 0001005757-25-000030 | Dec 19, 2025 | Dec 18, 2025 |
| 4 | PRIMARY DOCUMENT | 0001005757-25-000027 | Dec 19, 2025 | Dec 18, 2025 |
| 4 | PRIMARY DOCUMENT | 0001005757-25-000025 | Dec 19, 2025 | Dec 18, 2025 |
| 4 | PRIMARY DOCUMENT | 0001005757-25-000022 | Dec 19, 2025 | Dec 18, 2025 |
| 4 | PRIMARY DOCUMENT | 0001005757-25-000020 | Dec 19, 2025 | Dec 18, 2025 |
| DEFA14A | DEFA14A | 0001193125-25-321237 | Dec 17, 2025 | — |
| DEFM14A | DEFM14A | 0001140361-25-045563 | Dec 16, 2025 | — |
| PREM14A | PREM14A | 0001140361-25-044040 | Dec 2, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-270018 | Nov 6, 2025 | — |
| 10-Q | 10-Q | 0001193125-25-269064 | Nov 6, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001193125-25-266919 | Nov 5, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-257291 | Oct 30, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-257111 | Oct 30, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-257078 | Oct 30, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-257043 | Oct 30, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-257040 | Oct 30, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-257034 | Oct 30, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-257031 | Oct 30, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-254552 | Oct 29, 2025 | — |
| 8-K | 8-K | 0001193125-25-254546 | Oct 29, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-254544 | Oct 29, 2025 | — |
| 8-K | 8-K | 0001193125-25-254538 | Oct 29, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001005757-25-000016 | Oct 14, 2025 | Oct 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0001005757-25-000014 | Oct 14, 2025 | Oct 10, 2025 |
| 8-K | 8-K | 0001005757-25-000006 | Sep 4, 2025 | — |
| SCHEDULE 13G/A | — | 0001050470-25-000012 | Aug 12, 2025 | — |
| 10-Q | 10-Q | 0000950170-25-104694 | Aug 7, 2025 | Jun 30, 2025 |
| 8-K | 8-K | 0000950170-25-104006 | Aug 6, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-017327 | Jun 11, 2025 | Jun 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-017325 | Jun 11, 2025 | Jun 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-017323 | Jun 11, 2025 | Jun 10, 2025 |