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 (SIRI) 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/(SIRI)"
Use Arkolith to show who owns (SIRI), 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 |
|---|---|---|---|---|---|
| Mar 5, 2026 | MAFFEI GREGORY B | Director | Gift (G) | 1K | $0 |
| Feb 27, 2026 | Coughlin Zachary | EVP and CFO | Grant (A) | 4K | $0 |
| Feb 27, 2026 | MAFFEI GREGORY B | Director | Grant (A) | 67K | $0 |
| Feb 27, 2026 | Greenstein Scott Andrew | Pres. & Chief Content Officer | Grant (A) | 511 | $0 |
| Feb 27, 2026 | HARTENSTEIN EDDY W | Director | Grant (A) | 104 | $0 |
| Feb 27, 2026 | MALONE EVAN DANIEL | Director | Grant (A) | 104 | $0 |
| Feb 27, 2026 | Mothner Eve | EVP, Chief Legal Officer & Sec | Grant (A) | 2K | $0 |
| Feb 27, 2026 | Procope Jonelle | Director | Grant (A) | 104 | $0 |
| Feb 27, 2026 | Rapino Michael | Director | Grant (A) | 104 | $0 |
| Feb 27, 2026 | Salen Kristina | Director | Grant (A) | 104 | $0 |
| Feb 27, 2026 | Stephenson Dave | Director | Grant (A) | 70 | $0 |
| Feb 27, 2026 | Sud Anjali | Director | Grant (A) | 104 | $0 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for (SIRI). 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.