CSG Systems International Inc (CSGS) Stock

DelistedNasdaq: CSGSCSG Systems International, Inc., together with its subsidiaries, provides revenue management and digital monetization, customer experience, and payment solutions primarily to the communications industry in the Americas, Europe, the Middle East, Africa, and the Asia Pacific.

80.69
Final close · May 12, 2026

CSGS is no longer traded. CSG Systems International was acquired by NEC in May 2026.

Each CSGS share was exchanged for $80.70 in cash. Prices on this page are historical; the last trade was May 12, 2026 at $80.69.

CSG Systems International stock price history

Split-adjusted closes, 1996–2026

CSGS final trading statistics

Final close
$80.69
Final trading day
May 12, 2026
Market cap at delisting
$2.30B
Shares outstanding
28.51M
Final 52-week range
$60.54 – $80.73
Avg. volume (final 3 mo.)
368,439
All-time high (split-adj.)
$80.69 · May 2026
All-time low (split-adj.)
$5.50 · Dec 1996
Return since IPO
+825.2%
Beta
0.82
Book value / share
$10.29
Price / book
7.84
Final 52 wk
60.5480.73

CSG Systems International earnings per share

Earnings per share

CSG Systems International revenue & net income

RevenueNet income

CSG Systems International annual financials

CSG Systems International Inc revenue, net income and EPS by fiscal year
Fiscal yearRevenueNet incomeEPS
FY2025$1.22B$55.9M$5.14
FY2024$1.20B$86.9M$4.74
FY2023$1.17B$66.2M$3.68
FY2022$1.09B$44.1M$3.60
FY2021$1.05B$72.3M$3.35

Last five fiscal years reported before the delisting; fiscal year ending December. EPS is adjusted (non-GAAP) EPS as reported. Source: company filings via EODHD.

About CSG Systems International Inc

CSG Systems International, Inc., together with its subsidiaries, provides revenue management and digital monetization, customer experience, and payment solutions primarily to the communications industry in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. The company offers Advanced Convergent Platform, a private SaaS platform; and related solutions, including service technician management, analytics, electronic bill presentment, etc. It also provides a public SaaS-based revenue management and payments platform. In addition, the company offers managed services; and professional services to implement, configure, and maintain its solutions, as well as licenses various solutions, such as mediation, partner management, rating, and charging. Further, it provides operational services, including infrastructure management comprised of hardware, application, and environmental management; application configuration management, such as configuration development, release, and deployment; and business operations management, which includes event processing, revenue management, and settlement. The company serves retail, financial services, healthcare, insurance, and government entities. CSG Systems International, Inc. was incorporated in 1994 and is headquartered in Englewood, Colorado. As of May 14, 2026, CSG Systems International, Inc. operates as a subsidiary of Netcracker Technology Corporation.

CSG Systems International stock FAQ

What happened to CSG Systems International stock?

CSG Systems International was acquired by NEC in May 2026. Shareholders received $80.70 in cash for each share. CSGS stock stopped trading on the Nasdaq, with a final close of $80.69 on May 12, 2026.

What did CSG Systems International shareholders receive?

Each CSGS share was converted into $80.70 in cash. The deal was valued at about $2.9 billion.

Is CSGS stock still trading?

No. CSGS was delisted from the Nasdaq in May 2026 and no longer trades on a U.S. exchange.

What was the last price of CSGS stock?

CSGS closed at $80.69 on its final trading day, May 12, 2026, for a market value of about $2.30B.

What were CSG Systems International's revenue and earnings in its last full fiscal year?

CSG Systems International reported revenue of $1.22B and net income of $55.9M in fiscal 2025, its last full year as a public company.

When did CSG Systems International go public?

CSG Systems International Inc stock began trading on February 28, 1996.

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