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 GRPH 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/GRPH"
Use Arkolith to show who owns GRPH, 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 28, 2023 | Drapkin Kimberlee C | Director | Grant (A) | 40K | $0 |
| Jul 19, 2023 | Hege Kristen | Director | Grant (A) | 20K | $0 |
| Jul 19, 2023 | Shah Smital | Director | Grant (A) | 20K | $0 |
| Jul 19, 2023 | Bassan Abraham | Director | Grant (A) | 20K | $0 |
| Jul 19, 2023 | Carlo Rizzuto | Director | Grant (A) | 20K | $0 |
| Jul 19, 2023 | Jerel Davis | Director | Grant (A) | 20K | $0 |
| Jul 19, 2023 | JIMENEZ JOSEPH | Director | Grant (A) | 20K | $0 |
| Jul 19, 2023 | KARSEN PERRY A | Director | Grant (A) | 20K | $0 |
| Jul 19, 2023 | Porteus Matthew | Director | Grant (A) | 20K | $0 |
| Jul 19, 2023 | Viney Joanne L. | Director | Grant (A) | 20K | $0 |
| Feb 21, 2023 | Lehrer-Graiwer Joshua | PRESIDENT AND CEO, Director | Grant (A) | 600K | $0 |
| Feb 21, 2023 | Young Alethia | Chief Financial Officer | Grant (A) | 220K | $0 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GRPH. 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.