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 MCBC 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/MCBC"
Use Arkolith to show who owns MCBC, 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 |
|---|---|---|---|---|---|
| Aug 1, 2024 | Geenen Charles A. | Director | Disposed to issuer (D) | 1K | — |
| Aug 1, 2024 | Le Roy Michael K. | Director | Disposed to issuer (D) | 12K | — |
| Aug 1, 2024 | Le Roy Michael K. | Director | Disposed to issuer (D) | 1K | — |
| Aug 1, 2024 | White Bay Capital, LLLP | 10% Owner | Tender (U) | 5.3M | — |
| Aug 1, 2024 | Klohs Birgit M. | Director | Disposed to issuer (D) | 17K | — |
| Aug 1, 2024 | Barker Bryan L | Chief Financial Officer, SVP | Disposed to issuer (D) | 6K | — |
| Aug 1, 2024 | Barker Bryan L | Chief Financial Officer, SVP | Disposed to issuer (D) | 11K | — |
| Aug 1, 2024 | SWETS JON | Chief Executive Officer, Director | Disposed to issuer (D) | 151K | — |
| Aug 1, 2024 | Geenen Charles A. | Director | Disposed to issuer (D) | 123K | — |
| Aug 1, 2024 | Hankinson Craig A | Chief Operating Officer | Disposed to issuer (D) | 82K | — |
| Aug 1, 2024 | POSTMA RICHARD L | Director | Disposed to issuer (D) | 1.6M | — |
| Aug 1, 2024 | Herr Robert L | Director | Disposed to issuer (D) | 1K | — |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MCBC. 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.