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 GRNA 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/GRNA"
Use Arkolith to show who owns GRNA, 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 |
|---|---|---|---|---|---|
| Jul 24, 2023 | Morningside Venture Investments Ltd | 10% Owner | Other (J) | 16.9M | — |
| Jul 24, 2023 | Serum Life Sciences Ltd | Insider | Other (J) | 1.0M | — |
| Jul 24, 2023 | Zarur Juan Andrey | President & CEO, Director | Tender (U) | 896K | $269K |
| Jul 24, 2023 | Ortega-Valle Marta | Insider | Other (J) | 30K | — |
| Jul 24, 2023 | Ortega-Valle Marta | Insider | Other (J) | 105K | — |
| Jul 24, 2023 | Schlicher Martha | Director | Tender (U) | 109K | $33K |
| Jul 24, 2023 | PATRICK DEVAL L | Insider | Other (J) | 173K | — |
| Jul 24, 2023 | MLS Capital Fund II LP | Insider | Other (J) | 5.8M | — |
| Jul 24, 2023 | COONEY CHARLES L | Director | Tender (U) | 305K | $92K |
| Jul 24, 2023 | KODIAK III ENTREPRENEURS FUND L P | Insider | Other (J) | 9.8M | — |
| Jul 24, 2023 | Walker Matthew Allen | Director, 10% Owner | Other (J) | 22.3M | — |
| Jul 24, 2023 | Walker Matthew Allen | Director, 10% Owner | Disposed to issuer (D) | 64K | — |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GRNA. 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.