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 DSRO 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/DSRO"
Use Arkolith to show who owns DSRO, 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 |
|---|---|---|---|---|---|
| Oct 5, 2022 | GOSTFRAND HOWARD | Chief Executive Officer, Director | Grant (A) | 3K | $2K |
| Oct 5, 2022 | ANTHONY LAURA E | President, Director | Grant (A) | 3K | $2K |
| Oct 5, 2022 | Klatsky Brian Lance | President, OpenLocker Inc., Director, 10% Owner | Grant (A) | 3K | $2K |
| May 31, 2022 | Klatsky Brian Lance | President, OpenLocker Inc., Director, 10% Owner | Other (J) | 3.9M | $0 |
| May 31, 2022 | Klatsky Lauren Blair | COO of OpenLocker Inc. | Grant (A) | 412K | $0 |
| Feb 18, 2022 | GOSTFRAND HOWARD | Chief Executive Officer, Director | Other (J) | 71K | — |
| Feb 18, 2022 | ANTHONY LAURA E | President, Director | Other (J) | 71K | — |
| Dec 14, 2021 | GOSTFRAND HOWARD | Chief Executive Officer, Director | Buy (P) | 63K | $25K |
| Dec 14, 2021 | ANTHONY LAURA E | President, Director | Buy (P) | 63K | $25K |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for DSRO. 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.