The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query CSGS owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/CSGS"
Use Arkolith to show who owns CSGS, which funds added or reduced it, and which SEC filings prove each claim.
Not held in any tracked 13F filing yet.
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 14, 2026 | Tran Hai | EVP & CFO | Disposed to issuer (D) | 130K | $10.5M |
| May 14, 2026 | Tavares Silvio | Director | Disposed to issuer (D) | 23K | $1.8M |
| May 14, 2026 | Greenberg Samantha Joy | Director | Disposed to issuer (D) | 8K | $630K |
| May 14, 2026 | Woods Michael Joseph | EVP Pres NA Comm, Media & Tech | Disposed to issuer (D) | 53K | $4.3M |
| May 14, 2026 | Fawaz Marwan | Director | Disposed to issuer (D) | 35K | $2.8M |
| May 14, 2026 | NAIK RAJAN | Director | Disposed to issuer (D) | 29K | $2.3M |
| May 14, 2026 | Song Haiyan | Director | Disposed to issuer (D) | 23K | $1.8M |
| May 14, 2026 | Szwanek Lori | SVP, Chief Accounting Officer | Disposed to issuer (D) | 17K | $1.4M |
| May 14, 2026 | Barger Rachel A. | Director | Disposed to issuer (D) | 15K | $1.2M |
| May 14, 2026 | Barnes David G | Director | Disposed to issuer (D) | 41K | $3.3M |
| May 14, 2026 | Bauer Elizabeth A | EVP, Chief Experience Officer | Disposed to issuer (D) | 102K | $8.2M |
| May 14, 2026 | Yang Tseli Lily | Director | Disposed to issuer (D) | 18K | $1.5M |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CSGS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.