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 GNCA 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/GNCA"
Use Arkolith to show who owns GNCA, 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 |
|---|---|---|---|---|---|
| Jun 2, 2022 | Clark William D | President and CEO, Director | Sell (S) | 4K | $241 |
| Jun 2, 2022 | Flechtner Jessica Baker | Chief Scientific Officer | Sell (S) | 2K | $95 |
| Jun 2, 2022 | Duvall Diantha | CHIEF FINANCIAL OFFICER | Sell (S) | 1K | $81 |
| Jun 1, 2022 | SUMER JACQUELYN L | CHIEF LEGAL & COMPLIANCE OFF | Sell (S) | 3K | $150 |
| May 31, 2022 | Clark William D | President and CEO, Director | Sell (S) | 117K | $7K |
| May 27, 2022 | Siber George | Director | Sell (S) | 20K | $1K |
| May 26, 2022 | Duvall Diantha | CHIEF FINANCIAL OFFICER | Sell (S) | 24K | $2K |
| May 25, 2022 | BASKETT FOREST | 10% Owner | Sell (S) | 4.4M | $356K |
| May 25, 2022 | Behbahani Ali | Director, 10% Owner | Sell (S) | 4.4M | $356K |
| May 25, 2022 | Chang Carmen | 10% Owner | Sell (S) | 4.4M | $356K |
| May 25, 2022 | Florence Anthony A. Jr. | 10% Owner | Sell (S) | 4.4M | $356K |
| May 25, 2022 | Makhzoumi Mohamad | 10% Owner | Sell (S) | 4.4M | $356K |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GNCA. 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.