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 RBCN 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/RBCN"
Use Arkolith to show who owns RBCN, 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 |
|---|---|---|---|---|---|
| Feb 22, 2023 | Brog Timothy | Director | Sell (S) | 53K | $79K |
| Aug 19, 2022 | Brog Timothy | Chief Executive Officer, Director | Sell (S) | 58K | $1.2M |
| Aug 19, 2022 | MIKOLAJCZYK MICHAEL E | Director | Sell (S) | 32K | $637K |
| Aug 19, 2022 | Westphal Susan | Director | Sell (S) | 4K | $89K |
| Aug 19, 2022 | Bandera Partners LLC | 10% Owner | Sell (S) | 3K | $61K |
| Aug 19, 2022 | Bandera Partners LLC | 10% Owner | Sell (S) | 130K | $2.6M |
| Jul 29, 2022 | MIKOLAJCZYK MICHAEL E | Director | Grant (A) | 1K | $0 |
| Jul 29, 2022 | Gramm Jefferson | Director, 10% Owner | Grant (A) | 1K | $0 |
| Jul 29, 2022 | Westphal Susan | Director | Grant (A) | 1K | $0 |
| Jul 18, 2022 | Brog Timothy | Chief Executive Officer, Director | Option exercise (M) | 13K | $0 |
| Jul 18, 2022 | Brog Timothy | Chief Executive Officer, Director | Tax withholding (F) | 6K | $102K |
| Jul 13, 2022 | Brog Timothy | Chief Executive Officer, Director | Option exercise (M) | 13K | $0 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for RBCN. 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.