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 HYZN 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/HYZN"
Use Arkolith to show who owns HYZN, 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 10, 2025 | ZAVOLI JOHN R | GC & Chief Legal Officer | Sell (S) | 320 | $0 |
| Jan 10, 2025 | ZAVOLI JOHN R | GC & Chief Legal Officer | Option exercise (M) | 638 | $0 |
| Jan 10, 2025 | ZAVOLI JOHN R | GC & Chief Legal Officer | Option exercise (M) | 638 | $0 |
| Jan 8, 2025 | Mohrdieck Christian | Chief Technology Officer | Sell (S) | 9K | $10K |
| Jan 7, 2025 | Mohrdieck Christian | Chief Technology Officer | Option exercise (M) | 6K | $0 |
| Jan 7, 2025 | Mohrdieck Christian | Chief Technology Officer | Option exercise (M) | 3K | $0 |
| Jan 7, 2025 | Mohrdieck Christian | Chief Technology Officer | Option exercise (M) | 3K | $0 |
| Jan 7, 2025 | Mohrdieck Christian | Chief Technology Officer | Option exercise (M) | 6K | $0 |
| Dec 30, 2024 | ZAVOLI JOHN R | GC & Chief Legal Officer | Sell (S) | 3K | $4K |
| Dec 27, 2024 | Wong Elaine H | Director | Sell (S) | 2K | $2K |
| Dec 27, 2024 | Banerjee Bappaditya | Chief Operating Officer | Sell (S) | 2K | $2K |
| Dec 27, 2024 | ZAVOLI JOHN R | GC & Chief Legal Officer | Sell (S) | 20 | $22 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for HYZN. 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.