Not held in any tracked 13F filing yet.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 2, 2026 | SCULLY WILLIAM P | 10% Owner | Buy (P) | 50.0K | $471K |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for PRTA. 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.