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 WHK 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/WHK"
Use Arkolith to show who owns WHK, 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 10, 2026 | Smith Jeffery Allen | Director | Grant (A) | 10K | $0 |
| Jun 10, 2026 | Smith Jeffery Allen | Director | Disposed to issuer (D) | 350 | — |
| Jun 10, 2026 | Downs Michael J | Chief Operating Officer | Disposed to issuer (D) | 100 | — |
| Jun 10, 2026 | Herz Daniel C | CEO, President & Chairman, Director, 10% Owner | Disposed to issuer (D) | 2K | — |
| Jun 10, 2026 | Gold Peggy L. | Director | Grant (A) | 10K | $0 |
| Jun 10, 2026 | Bigman Alan Stuart | Director | Grant (A) | 10K | $0 |
| Jun 10, 2026 | COOPERMAN LEON G | 10% Owner | Other (J) | 14K | — |
| Jun 10, 2026 | COOPERMAN LEON G | 10% Owner | Other (J) | 6K | — |
| Jun 10, 2026 | Ceitlin Andrew David | Director | Grant (A) | 10K | $0 |
| Jun 10, 2026 | Heinlein Matthew Ian | See Remarks | Disposed to issuer (D) | 100 | — |
| Jun 10, 2026 | Karlovich Robert W III | Director | Grant (A) | 6K | $0 |
| Jun 10, 2026 | Slotterback Jeffrey M | CFO, Treasurer & Secretary, Director | Disposed to issuer (D) | 100 | — |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for WHK. 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.