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 CASK 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/CASK"
Use Arkolith to show who owns CASK, 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 18, 2025 | Varga Andrew M. | Director | Option exercise (M) | 300K | $0 |
| Sep 18, 2025 | Varga Andrew M. | Director | Option exercise (M) | 300K | $180K |
| Sep 18, 2025 | Stiefel Justin B | CEO & Treasurer, Director | Option exercise (M) | 3.3M | $0 |
| Sep 18, 2025 | Stiefel Justin B | CEO & Treasurer, Director | Option exercise (M) | 3.3M | $2.0M |
| Aug 15, 2025 | Swann Matthew J | Director | Other (J) | 13K | $0 |
| Aug 15, 2025 | Swann Matthew J | Director | Other (J) | 120K | $0 |
| Aug 15, 2025 | Swann Matthew J | Director | Other (J) | 10K | $0 |
| Aug 15, 2025 | Swann Matthew J | Director | Other (J) | 133K | $0 |
| Aug 15, 2025 | Stiefel Justin B | CEO & Treasurer, Director | Buy (P) | 3.3M | $2.0M |
| Aug 15, 2025 | Varga Andrew M. | Director | Buy (P) | 300K | $180K |
| Jun 27, 2025 | Swann Matthew J | Director | Buy (P) | 10K | $100K |
| May 24, 2025 | Smith Christopher H | Director | Option exercise (M) | 2K | $1K |
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CASK. 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.