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 PCSA 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/PCSA"
Use Arkolith to show who owns PCSA, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD FIDUCIARY TRUST CO | $27K | 11K | ▲New +11K sh | Q1 2026 |
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 |
|---|---|---|---|---|---|
| Jun 15, 2026 | Lin Patrick | Chief Business - Strategy Off | Buy (P) | 2K | $4K |
| Jun 15, 2026 | SKIBSTED RUSSELL | Chief Financial Officer | Buy (P) | 3K | $6K |
| Jun 15, 2026 | Young David | Pres. Research & Development, Director | Buy (P) | 2K | $5K |
| Jun 15, 2026 | Ng George K | Chief Executive Officer, Director | Buy (P) | 2K | $5K |
| Jan 1, 2026 | Guy Wendy | Chief Administrative Officer | Option exercise (M) | 193 | $0 |
| Jan 1, 2026 | Bigora Sian | Chief Development Officer | Option exercise (M) | 249 | $0 |
| Jan 1, 2026 | Lin Patrick | Chief Business - Strategy Off | Option exercise (M) | 193 | $0 |
| Jan 1, 2026 | Young David | Pres. Research & Development, Director | Option exercise (M) | 49 | $0 |
| Jan 1, 2026 | Bigora Sian | Chief Development Officer | Option exercise (M) | 249 | $0 |
| Jan 1, 2026 | Young David | Pres. Research & Development, Director | Option exercise (M) | 49 | $0 |
| Jan 1, 2026 | Lin Patrick | Chief Business - Strategy Off | Option exercise (M) | 193 | $0 |
| Jan 1, 2026 | Guy Wendy | Chief Administrative Officer | Option exercise (M) | 193 | $0 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for PCSA. 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.