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 ZSAN 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/ZSAN"
Use Arkolith to show who owns ZSAN, 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 |
|---|---|---|---|---|---|
| Jun 6, 2022 | Lo Steven | Chief Executive Officer, Director | Sell (S) | 442 | $314 |
| Jun 6, 2022 | Matthews Christine | Chief Financial Officer | Sell (S) | 82 | $58 |
| Mar 31, 2022 | Lo Steven | Chief Executive Officer, Director | Sell (S) | 24K | $5K |
| Mar 31, 2022 | KELLERMAN DONALD J | VP, Clinical Dev & Med Affairs | Sell (S) | 4K | $841 |
| Mar 31, 2022 | Matthews Christine | Chief Financial Officer | Sell (S) | 8K | $2K |
| Dec 7, 2021 | Yang Elaine | Director | Grant (A) | 90K | $0 |
| Nov 23, 2021 | GREATHOUSE KENNETH | Director | Sell (S) | 10K | $6K |
| Oct 15, 2021 | Lo Steven | Chief Executive Officer, Director | Grant (A) | 119K | $0 |
| Oct 15, 2021 | Lo Steven | Chief Executive Officer, Director | Grant (A) | 238K | $0 |
| Oct 15, 2021 | Matthews Christine | Chief Financial Officer | Grant (A) | 56K | $0 |
| Oct 15, 2021 | Matthews Christine | Chief Financial Officer | Grant (A) | 113K | $0 |
| Oct 15, 2021 | KELLERMAN DONALD J | VP, Clinical Dev & Med Affairs | Grant (A) | 10K | $0 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ZSAN. 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.