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 HAMMER TECHNOLOGY HOLDINGS 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/HMMR"
Use Arkolith to show who owns HAMMER TECHNOLOGY HOLDINGS 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 |
|---|---|---|---|---|---|
| May 25, 2026 | COTHILL MICHAEL | CEO, Director, 10% Owner | Buy (P) | 10.2M | $2.7M |
| Apr 27, 2026 | STOGDILL MARK | Chief Financial Officer (CFO), Director | Sell (S) | 500K | $50K |
| Apr 27, 2026 | STOGDILL MARK | Chief Financial Officer (CFO), Director | Sell (S) | 40K | $40 |
| Apr 27, 2026 | STOGDILL MARK | Chief Financial Officer (CFO), Director | Sell (S) | 40K | $4 |
| Apr 27, 2026 | STOGDILL MARK | Chief Financial Officer (CFO), Director | Sell (S) | 40K | $40 |
| Apr 27, 2026 | STOGDILL MARK | Chief Financial Officer (CFO), Director | Sell (S) | 40K | $40 |
| Apr 27, 2026 | SEVELL MICHAEL | Director, 10% Owner | Buy (P) | 600K | $60K |
| Apr 27, 2026 | COTHILL MICHAEL | CEO, Director, 10% Owner | Buy (P) | 600K | $60K |
| Nov 11, 2025 | STOGDILL MARK | Chief Financial Officer (CFO), Director | Sell (S) | 1.0M | $100K |
| May 25, 2025 | SEVELL MICHAEL | Director, 10% Owner | Buy (P) | 10.2M | $2.7M |
| Nov 22, 2024 | STOGDILL MARK | Chief Financial Officer (CFO), Director | Sell (S) | 100K | $100 |
| Nov 22, 2024 | STOGDILL MARK | Chief Financial Officer (CFO), Director | Sell (S) | 250K | $250 |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for HMMR. 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.