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 CLBS 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/CLBS"
Use Arkolith to show who owns CLBS, 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 1, 2022 | Mazzo David J | Chief Executive Officer, Director | Grant (A) | 150K | $75K |
| Sep 1, 2022 | Mazzo David J | Chief Executive Officer, Director | Tax withholding (F) | 70K | $35K |
| Sep 1, 2022 | Buck Kristen K | EVP, R&D and CMO | Grant (A) | 58K | $29K |
| Sep 1, 2022 | Buck Kristen K | EVP, R&D and CMO | Tax withholding (F) | 25K | $13K |
| Sep 1, 2022 | Buck Kristen K | EVP, R&D and CMO | Tax withholding (F) | 45K | $22K |
| Jan 14, 2022 | Mazzo David J | Chief Executive Officer, Director | Tax withholding (F) | 7K | $5K |
| Jan 14, 2022 | Girolamo Todd C | CLO, SVP of Corp Dev | Tax withholding (F) | 2K | $2K |
| Jan 13, 2022 | Mazzo David J | Chief Executive Officer, Director | Tax withholding (F) | 6K | $5K |
| Jan 13, 2022 | Girolamo Todd C | CLO, SVP of Corp Dev | Tax withholding (F) | 3K | $2K |
| Jan 11, 2022 | Mazzo David J | Chief Executive Officer, Director | Tax withholding (F) | 17K | $15K |
| Jan 11, 2022 | Girolamo Todd C | CLO, SVP of Corp Dev | Tax withholding (F) | 5K | $4K |
| Jan 10, 2022 | MYERS STEVEN S | Director | Grant (A) | 65K | $0 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CLBS. 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.