CSG SYSTEMS INTERNATIONAL INC — DEFA14A Filings
23 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by CSG SYSTEMS INTERNATIONAL INC (CSGS), sorted by most recent first. Each row links to the full filing on EdgarLookup. CSG SYSTEMS INTERNATIONAL INC has filed 23 DEFA14A documents with the SEC since 2012. To view all SEC filings by CSG SYSTEMS INTERNATIONAL INC, see the full filings list.
All
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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001193125-26-006816 | Jan 8, 2026 | — |
| DEFA14A | DEFA14A | 0001193125-25-321237 | Dec 17, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-270018 | Nov 6, 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 | — |
| DEFA14A | DEFA14A | 0001193125-25-254544 | Oct 29, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001308179-25-000331 | Apr 1, 2025 | — |
| DEFA14A | CSG SYSTEMS INTERNATIONAL INC - DEFA14A | 0001308179-24-000397 | Apr 1, 2024 | — |
| DEFA14A | CSG SYSTEMS INTERNATIONAL INC - DEFA14A | 0001308179-23-000488 | Apr 3, 2023 | — |
| DEFA14A | CSG SYSTEMS INTERNATIONAL INC - DEFA14A | 0001308179-22-000313 | May 2, 2022 | — |
| DEFA14A | DEFINITIVE PROXY STATEMENT IN CONNECTION WITH CONTESTED SOLICITATIONS | 0001308179-22-000175 | Apr 4, 2022 | — |
| DEFA14A | DEFA14A | 0001564590-21-017722 | Apr 6, 2021 | — |
| DEFA14A | DEFA14A | 0001564590-20-015669 | Apr 7, 2020 | — |
| DEFA14A | DEFA14A | 0001564590-19-010492 | Apr 2, 2019 | — |
| DEFA14A | DEFA14A | 0001564590-18-007503 | Apr 3, 2018 | — |
| DEFA14A | DEFA14A | 0001564590-17-005977 | Apr 4, 2017 | — |
| DEFA14A | DEFA14A | 0001564590-16-016100 | Apr 12, 2016 | — |