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 XL 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/XL"
Use Arkolith to show who owns XL, 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 |
|---|---|---|---|---|---|
| Sep 15, 2022 | Miller John P. | Director | Buy (P) | 20K | $22K |
| Sep 9, 2022 | Fong Christian S. | President, Director | Grant (A) | 909K | $0 |
| Sep 9, 2022 | Fong Christian S. | President, Director | Tax withholding (F) | 281K | $329K |
| Sep 9, 2022 | Fong Christian S. | President, Director | Grant (A) | 909K | $1.1M |
| Sep 9, 2022 | Fong Christian S. | President, Director | Grant (A) | 1.7M | $0 |
| May 20, 2022 | Constas Stacey | General Counsel | Grant (A) | 202K | $0 |
| May 20, 2022 | Kenhard Michael | CTO and VP of Engineering | Grant (A) | 200K | $0 |
| May 20, 2022 | Calhoun Colleen | VP/General Manager of XL grid | Grant (A) | 250K | $0 |
| May 10, 2022 | Tech Eric M. | CEO, Director | Grant (A) | 323K | $0 |
| May 10, 2022 | Tech Eric M. | CEO, Director | Grant (A) | 484K | $0 |
| May 4, 2022 | Frodl Debora M. | Director | Grant (A) | 110K | $0 |
| May 4, 2022 | Griffin Kevin | Director | Grant (A) | 97K | $0 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for XL. 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.