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 CTHR 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/CTHR"
Use Arkolith to show who owns CTHR, 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 |
|---|---|---|---|---|---|
| Aug 21, 2025 | PETE CLINT J. | CFO | Grant (A) | 102K | $0 |
| Aug 21, 2025 | Bhanderi Ruten | Director | Grant (A) | 240K | $0 |
| Aug 21, 2025 | O'CONNELL DON | President & CEO, Director | Grant (A) | 240K | $0 |
| Aug 21, 2025 | Butler Anne M | Director | Grant (A) | 24K | $0 |
| Aug 21, 2025 | Tu James | Director | Grant (A) | 480K | $0 |
| Aug 21, 2025 | GOLDMAN NEAL I | Director | Grant (A) | 24K | $0 |
| Mar 5, 2024 | O'CONNELL DON | President and CEO, Director | Buy (P) | 15K | $6K |
| Mar 1, 2024 | O'CONNELL DON | President and CEO, Director | Buy (P) | 13K | $5K |
| Mar 1, 2024 | SYKES OLLIN B | Director, 10% Owner | Buy (P) | 19K | $7K |
| Feb 29, 2024 | SYKES OLLIN B | Director, 10% Owner | Buy (P) | 38K | $14K |
| Feb 28, 2024 | SYKES OLLIN B | Director, 10% Owner | Buy (P) | 7K | $3K |
| Feb 22, 2024 | O'CONNELL DON | President and CEO, Director | Buy (P) | 30K | $10K |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CTHR. 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.