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 Digimarc Corp 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/DMRC"
Use Arkolith to show who owns Digimarc Corp, 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 18, 2026 | mccormack riley | Chief Executive Officer, Director | Sell (S) | 27K | $256K |
| Jun 17, 2026 | mccormack riley | Chief Executive Officer, Director | Sell (S) | 15K | $151K |
| Jun 16, 2026 | mccormack riley | Chief Executive Officer, Director | Other (J) | 2.3M | — |
| Jun 16, 2026 | mccormack riley | Chief Executive Officer, Director | Sell (S) | 4K | $38K |
| Jun 16, 2026 | mccormack riley | Chief Executive Officer, Director | Sell (S) | 69K | $751K |
| Jun 15, 2026 | Quinn Carle Ann | EVP, Chief Operating Officer | Grant (A) | 3K | $21K |
| Jun 15, 2026 | Beck Charles | EVP, Chief Financial Officer | Grant (A) | 3K | $19K |
| Feb 15, 2026 | Sickles Ken | EVP, Chief Product Officer | Grant (A) | 11K | $53K |
| Feb 15, 2026 | Rodriguez Tony | EVP, Chief Technology Officer | Grant (A) | 10K | $48K |
| Feb 15, 2026 | Rodriguez Tony | EVP, Chief Technology Officer | Tax withholding (F) | 823 | $4K |
| Feb 15, 2026 | Quinn Carle Ann | EVP, Chief Operating Officer | Grant (A) | 9K | $45K |
| Feb 15, 2026 | Quinn Carle Ann | EVP, Chief Operating Officer | Tax withholding (F) | 4K | $20K |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for DMRC. 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.