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 GPP 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/GPP"
Use Arkolith to show who owns GPP, 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 |
|---|---|---|---|---|---|
| Jan 9, 2024 | Green Plains Inc. | 10% Owner | Grant (A) | 11.7M | — |
| Jan 9, 2024 | RILEY BRETT C | Director | Disposed to issuer (D) | 52K | — |
| Jan 9, 2024 | PETERS JERRY L | Director | Disposed to issuer (D) | 47K | — |
| Jan 9, 2024 | PETERS JERRY L | Director | Disposed to issuer (D) | 6K | — |
| Jan 9, 2024 | KILLINGER CLAYTON E | Director | Disposed to issuer (D) | 69K | — |
| Jan 9, 2024 | Becker Todd A | President and CEO, Director | Disposed to issuer (D) | 3K | — |
| Jan 9, 2024 | MAPES MICHELLE | Chief Legal and Admin Officer, Director | Disposed to issuer (D) | 14K | — |
| Jan 9, 2024 | Simpkins G Patrich Jr | Chief Transformation Officer, Director | Disposed to issuer (D) | 5K | — |
| Aug 4, 2023 | PETERS JERRY L | Director | Gift (G) | 6K | $0 |
| Jul 1, 2023 | RILEY BRETT C | Director | Grant (A) | 6K | $80K |
| Jul 1, 2023 | KILLINGER CLAYTON E | Director | Grant (A) | 6K | $80K |
| Jul 1, 2023 | PETERS JERRY L | Director | Grant (A) | 6K | $80K |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GPP. 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.