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.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 22, 2026 | Tang Le | Chief Financial Officer | Option exercise(M) | 63K | — | $0 |
| May 22, 2026 | Tang Le | Chief Financial Officer | Tax withholding(F) | 16 | $0.75 | $12 |
| May 22, 2026 | Tang Le | Chief Financial Officer | Option exercise(M) | 63K | — | $0 |
| May 22, 2026 | Yu Hongjian | Executive President, Director | Option exercise(M) | 125K | — | $0 |
| May 22, 2026 | Yu Hongjian | Executive President, Director | Tax withholding(F) | 20 | $0.75 | $15 |
| May 22, 2026 | Yu Hongjian | Executive President, Director | Option exercise(M) | 125K | — | $0 |
| Mar 19, 2026 | Yu Hongjian | Executive President, Director | Tax withholding(F) | 17 | $0.86 | $15 |
| Mar 19, 2026 | Yu Hongjian | Executive President, Director | Option exercise(M) | 125K | — | $0 |
| Mar 19, 2026 | Yu Hongjian | Executive President, Director | Option exercise(M) | 125K | — | $0 |
| Mar 19, 2026 | Tang Le | Chief Financial Officer | Tax withholding(F) | 13 | $0.86 | $11 |
| Mar 19, 2026 | Tang Le | Chief Financial Officer | Option exercise(M) | 63K | — | $0 |
| Mar 19, 2026 | Tang Le | Chief Financial Officer | Option exercise(M) | 63K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-03-29 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).