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 MCFE 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/MCFE"
Use Arkolith to show who owns MCFE, 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 |
|---|---|---|---|---|---|
| Mar 1, 2022 | Kornegay Christine Beseda | Chief Accounting Officer | Grant (A) | 9K | $0 |
| Mar 1, 2022 | Kornegay Christine Beseda | Chief Accounting Officer | Disposed to issuer (D) | 138K | — |
| Mar 1, 2022 | Kornegay Christine Beseda | Chief Accounting Officer | Disposed to issuer (D) | 82K | — |
| Mar 1, 2022 | Kornegay Christine Beseda | Chief Accounting Officer | Disposed to issuer (D) | 22K | — |
| Mar 1, 2022 | Kornegay Christine Beseda | Chief Accounting Officer | Disposed to issuer (D) | 22K | — |
| Mar 1, 2022 | Singh Gagan D. | See remarks below | Disposed to issuer (D) | 857K | — |
| Mar 1, 2022 | Singh Gagan D. | See remarks below | Disposed to issuer (D) | 286K | — |
| Mar 1, 2022 | Willard Elizabeth Kathleen | Director | Disposed to issuer (D) | 46K | — |
| Mar 1, 2022 | Rollins Emily | Director | Disposed to issuer (D) | 7K | — |
| Mar 1, 2022 | Bright Gunther | Director | Disposed to issuer (D) | 8K | — |
| Mar 1, 2022 | CRANSTON MARY B | Director | Disposed to issuer (D) | 69K | — |
| Mar 1, 2022 | Leav Peter | See Remarks, Director | Disposed to issuer (D) | 3.6M | — |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MCFE. 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.