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 |
|---|---|---|---|---|---|---|
| Jun 15, 2026 | Liu Huan | See Remarks, Director, 10% Owner | Buy(P) | 200K | $2.00 | $400K |
| Oct 15, 2025 | Liu Huan | See Remarks, Director, 10% Owner | Grant(A) | 144K | — | $0 |
| Dec 3, 2024 | Liu Huan | See Remarks, Director, 10% Owner | Sell(S) | 46K | $6.52 | $300K |
| Sep 30, 2024 | Folker Walter Penn | Vice President of Procurement | Grant(A) | 15K | — | $0 |
| Sep 30, 2024 | Liu Huan | See Remarks, Director, 10% Owner | Grant(A) | 735K | — | $0 |
| Sep 30, 2024 | Liu Huan | See Remarks, Director, 10% Owner | Grant(A) | 500K | — | $0 |
| Sep 30, 2024 | Huang Xianggeng | Director | Grant(A) | 300K | — | $0 |
| May 23, 2024 | Tang Xiaolin | 10% Owner | Sell(S) | 1.5M | $1.06 | $1.6M |
| May 21, 2024 | Yuan Ying-Chang | 10% Owner | Sell(S) | 1.2M | $2.53 | $3.0M |
| May 21, 2024 | Xiao Yan | 10% Owner | Sell(S) | 1.5M | $2.91 | $4.4M |
| May 21, 2024 | Zhang Juguang | 10% Owner | Sell(S) | 1.3M | $0.96 | $1.2M |
| May 21, 2024 | Chen Huoyuan | 10% Owner | Sell(S) | 990K | $1.26 | $1.2M |
| May 17, 2024 | Zhang Juguang | 10% Owner | Sell(S) | 500 | $9.53 | $5K |
| May 14, 2024 | Chen Huoyuan | 10% Owner | Sell(S) | 9K | $4.32 | $37K |
| May 13, 2024 | Chen Huoyuan | 10% Owner | Sell(S) | 400 | $1.42 | $568 |
| May 7, 2024 | Chen Huoyuan | 10% Owner | Sell(S) | 1K | $1.76 | $2K |
| Apr 19, 2024 | Chen Huoyuan | 10% Owner | Sell(S) | 100 | $1.46 | $146 |
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).