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 EFTR 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/EFTR"
Use Arkolith to show who owns EFTR, 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 13, 2024 | Bhatt Elizabeth | Director | Grant (A) | 800 | $0 |
| Jun 13, 2024 | Gallagher Brian M. Jr. | Director | Grant (A) | 800 | $0 |
| Jun 13, 2024 | Harrington-Smith Kristen | Director | Grant (A) | 800 | $0 |
| Jun 13, 2024 | Ehrlich Christopher B | Director | Grant (A) | 800 | $0 |
| Jun 13, 2024 | Klencke Barbara | Director | Grant (A) | 800 | $0 |
| Jun 13, 2024 | Loewy Caroline M | Director | Grant (A) | 800 | $0 |
| May 15, 2024 | WORLAND STEPHEN T | Chief Executive Officer, Director | Grant (A) | 2K | $3K |
| May 15, 2024 | Byrnes Michael | Chief Financial Officer | Grant (A) | 1K | $2K |
| Feb 19, 2024 | WORLAND STEPHEN T | Chief Executive Officer, Director | Grant (A) | 80K | $0 |
| Feb 19, 2024 | Warner Douglas J | Chief Medical Officer | Grant (A) | 25K | $0 |
| Feb 19, 2024 | Byrnes Michael | Chief Financial Officer | Grant (A) | 40K | $0 |
| Feb 19, 2024 | Gallagher Brian M. Jr. | Director | Grant (A) | 2K | $0 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for EFTR. 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.