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 CLSN 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/CLSN"
Use Arkolith to show who owns CLSN, 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 |
|---|---|---|---|---|---|
| Jul 18, 2022 | Le Goff Corinne | President and CEO, Director | Grant (A) | 53K | $0 |
| Jul 18, 2022 | Le Goff Corinne | President and CEO, Director | Grant (A) | 177K | $0 |
| Jun 13, 2022 | Tardugno Michael H | Chairman, President and CEO, Director | Grant (A) | 90K | $0 |
| Jun 13, 2022 | CHURCH JEFFREY WAYNE | CFO | Grant (A) | 50K | $0 |
| Jun 13, 2022 | Braun Donald P | Director | Grant (A) | 6K | $0 |
| Jun 13, 2022 | Pellizzari Christine A | Director | Grant (A) | 3K | $0 |
| Jun 13, 2022 | Lindborg Stacy | Director | Grant (A) | 3K | $0 |
| Jun 13, 2022 | Hooper Robert W | Director | Grant (A) | 8K | $0 |
| Jun 13, 2022 | Fritz Frederick J. | Director | Grant (A) | 8K | $0 |
| Jun 13, 2022 | Chow Pok Yu Augustine | Director | Grant (A) | 8K | $0 |
| Jun 13, 2022 | Tumminello Timothy J | Controller | Grant (A) | 8K | $0 |
| Jun 13, 2022 | Kardaras Constantine John | Chief Accounting Officer | Grant (A) | 2K | $0 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CLSN. 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.