Updated Jul 16, 2026 · Last SEC filing 2026-05-18
CSG SYSTEMS INTERNATIONAL INC (CSGS) has filed 16 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-18. 3 Form 8-K material event filings were reported by CSGS in the last 90 days. InsiderAlpha tracks every CSGS SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Services-Computer Processing & Data Preparation (SIC 7374) |
|---|---|
| SEC CIK | 0001005757 |
| Form 4 filings (90d) | 16 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Latest Form 4 filing | 2026-05-18 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Dunavant Chad | EVP Product & Strategy Officer | D — Derivative transaction | 49.1K | $80.70 | $3.96M | SEC | |
| Song Haiyan | Insider | D — Derivative transaction | 22.6K | $80.70 | $1.82M | SEC | |
| Bhattacharya Rasmani | EVP, General Counsel | D — Derivative transaction | 68.2K | $80.70 | $5.50M | SEC | |
| Shepherd Brian A. | President & CEO | D — Derivative transaction | 575.2K | $80.70 | $46.42M | SEC | |
| Bauer Elizabeth A | EVP, Chief Experience Officer | D — Derivative transaction | 101.9K | $80.70 | $8.22M | SEC | |
| Greenberg Samantha Joy | Insider | D — Derivative transaction | 7.8K | $80.70 | $630K | SEC | |
| Tran Hai | EVP & CFO | D — Derivative transaction | 129.9K | $80.70 | $10.48M | SEC | |
| Tavares Silvio | Insider | D — Derivative transaction | 22.6K | $80.70 | $1.82M | SEC | |
| Conley Gregory A | Insider | D — Derivative transaction | 14.8K | $80.70 | $1.19M | SEC | |
| Szwanek Lori | SVP, Chief Accounting Officer | D — Derivative transaction | 16.9K | $80.70 | $1.36M | SEC | |
| Fawaz Marwan | Insider | D — Derivative transaction | 34.9K | $80.70 | $2.81M | SEC | |
| Barger Rachel A. | Insider | D — Derivative transaction | 14.5K | $80.70 | $1.17M | SEC | |
| Barnes David G | Insider | D — Derivative transaction | 40.7K | $80.70 | $3.28M | SEC | |
| Woods Michael Joseph | EVP Pres NA Comm, Media & Tech | D — Derivative transaction | 53.2K | $80.70 | $4.29M | SEC | |
| Yang Tseli Lily | Insider | D — Derivative transaction | 18.5K | $80.70 | $1.49M | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for CSG SYSTEMS INTERNATIONAL INC (CSGS). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Szwanek Lori | 1 | $1.36M |
| Yang Tseli Lily | 1 | $1.49M |
| NAIK RAJAN | 1 | $2.33M |
| Woods Michael Joseph | 1 | $4.29M |
| Bhattacharya Rasmani | 1 | $5.50M |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CSGS insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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