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 BCAB 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/BCAB"
Use Arkolith to show who owns BCAB, 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 31, 2026 | Sievers Eric | Chief Medical Officer | Tax withholding (F) | 134 | $527 |
| May 31, 2026 | Vasquez Christian | Chief Financial Officer | Tax withholding (F) | 82 | $322 |
| May 31, 2026 | SHORT JAY M PHD | Chief Executive Officer, Director | Tax withholding (F) | 259 | $1K |
| Mar 12, 2026 | SHORT JAY M PHD | Chief Executive Officer, Director | Tax withholding (F) | 639 | $107 |
| Mar 11, 2026 | SHORT JAY M PHD | Chief Executive Officer, Director | Grant (A) | 430K | $0 |
| Mar 11, 2026 | Sievers Eric | Chief Medical Officer | Tax withholding (F) | 360 | $61 |
| Mar 11, 2026 | Vasquez Christian | Chief Financial Officer | Tax withholding (F) | 175 | $30 |
| Mar 10, 2026 | Vasquez Christian | Chief Financial Officer | Grant (A) | 240K | $0 |
| Mar 10, 2026 | Sievers Eric | Chief Medical Officer | Grant (A) | 240K | $0 |
| Feb 28, 2026 | Sievers Eric | Chief Medical Officer | Tax withholding (F) | 3K | $785 |
| Feb 28, 2026 | WALDRON RICHARD A | Former Chief Financial Officer | Tax withholding (F) | 3K | $682 |
| Feb 28, 2026 | Vasquez Christian | Chief Financial Officer | Tax withholding (F) | 2K | $451 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for BCAB. 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.