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CSG SYSTEMS INTERNATIONAL INC — Investor Relations & Filings

Ticker · CSGS ISIN · US1263491094 LEI · 549300D7FJZUOHHXUA81 US Telecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
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Filings indexed 1,204 across all filing types
Latest filing 2026-05-14 Regulatory Filings
Country US United States of America
Listing US CSGS

About CSG SYSTEMS INTERNATIONAL INC

https://www.csgi.com/

CSG Systems International Inc. is a Software-as-a-Service (SaaS) platform company specializing in customer engagement, revenue management, and payment solutions. The company provides an integrated portfolio of products designed to manage and optimize the end-to-end customer lifecycle, from digital commerce and sales to billing and retention. CSG's platforms enable enterprises across various industries, with a significant presence in the communications sector, to streamline operations, enhance customer experiences, and monetize their services effectively. Key offerings focus on improving customer interactions, simplifying billing processes, and facilitating seamless payment transactions.

Recent filings

Filing Released Lang Actions
S-8 POS
Regulatory Filings Classification · 85% confidence The document is a Post-Effective Amendment No. 1 to a Form S-8 registration statement filed with the SEC, terminating the effectiveness of previously filed registration statements due to a merger. It is a specific regulatory compliance filing that does not fall under any of the more narrowly defined categories (e.g., share issuance, proxy solicitation, dividend notice, earnings release). Therefore, it is best classified as a general Regulatory Filing.
2026-05-14 English
S-8 POS
Share Issue/Capital Change Classification · 85% confidence The document is a Post-Effective Amendment No. 1 to multiple Form S-8 registration statements, filed with the SEC to deregister unsold shares under employee stock plans following an acquisition. A Form S-8 deregistration relates to the company’s share capital structure and the termination of registered offerings. This is not an earnings release, management change notice, or a broader regulatory announcement, but specifically concerns the registration (and now deregistration) of equity securities under employee plans. Therefore it best fits the Share Issue/Capital Change category (SHA).
2026-05-14 English
8-K
Regulatory Filings
2026-05-14 English
8-K - CSG SYSTEMS INTERNATIONAL INC (0001005757) (Filer)
M&A Activity Classification · 95% confidence The document is a Form 8-K filed under Item 8.01 “Other Events,” announcing that all required regulatory approvals, including CFIUS clearance, have been received for the previously disclosed merger between CSG Systems International and NEC Corporation. This is an M&A activity announcement rather than a full proxy statement or tender-offer filing. Therefore, it falls under the M&A Activity category (TAR).
2026-05-11 English
10-Q - CSG SYSTEMS INTERNATIONAL INC (0001005757) (Filer)
Interim / Quarterly Report Q1 2026
2026-05-07 English
SCHEDULE 13G/A - CSG SYSTEMS INTERNATIONAL INC (0001005757) (Subject)
Major Shareholding Notification
2026-03-26 English

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