[EFFECT] CSG SYSTEMS INTERNATIONAL INC SEC Filing Filing Impact (Neutral) Filing Sentiment (Neutral) Form Type EFFECT 05/19/2026 - 12:15 AM ⛶ Fullscreen UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Notice of Effectiveness Effectiveness Date: May 18, 2026 Accession Number: 0001193125-26-224342 Submission Type: POS AM CIK: 0001005757 Company Name: CSG SYSTEMS INTERNATIONAL INC File Number: 333-117427 Source: View Original Filing on SEC EDGAR