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 8, 2026 | Bleichroeder LP | 10% Owner | Other(J) | 3.0M | $1.00 | $3.0M |
| Jun 5, 2026 | Bleichroeder LP | 10% Owner | Buy(P) | 700K | $1.00 | $700K |
| Jan 3, 2026 | Kowalczyk David | CFO and COO | Tax withholding(F) | 6K | $1.49 | $8K |
| Jan 3, 2026 | Chen Fei | Chief Executive Officer, Director | Tax withholding(F) | 68K | $1.49 | $101K |
| Dec 19, 2025 | Kowalczyk David | CFO and COO | Grant(A) | 94K | — | $0 |
| Sep 12, 2025 | Chen Fei | Chief Executive Officer, Director | Tax withholding(F) | 13K | $2.34 | $30K |
| Mar 26, 2025 | Bleichroeder LP | 10% Owner | Other(J) | 531K | — | — |
| Mar 26, 2025 | Bleichroeder LP | 10% Owner | Other(J) | 531K | — | — |
| Jan 7, 2025 | Meeusen Richard A | Director | Grant(A) | 29K | — | $0 |
| Jan 7, 2025 | Kunz Martin | Director | Grant(A) | 27K | — | $0 |
| Jan 7, 2025 | Chen Fei | Chief Executive Officer, Director | Grant(A) | 201K | — | $0 |
| Jan 7, 2025 | Boswell Peyton | Director | Grant(A) | 28K | — | $0 |
| Jan 7, 2025 | Buehler Alexander J | Director | Grant(A) | 53K | — | $0 |
| Jan 3, 2025 | Chen Fei | Chief Executive Officer, Director | Tax withholding(F) | 28K | $1.87 | $53K |
| May 6, 2024 | Price Phillip Massie | Interim CFO | Grant(A) | 14K | — | $0 |
| Jan 3, 2024 | Stadil Simon Seidelin | Chief Financial Officer | Tax withholding(F) | 17K | $3.51 | $60K |
| Jan 3, 2024 | Chen Fei | Chief Executive Officer, Director | Tax withholding(F) | 13K | $3.51 | $45K |
| Jan 3, 2024 | Stadil Simon Seidelin | Chief Financial Officer | Grant(A) | 38K | — | $0 |
| Jan 3, 2024 | Kunz Martin | Director | Grant(A) | 10K | — | $0 |
| Jan 3, 2024 | Chen Fei | Chief Executive Officer, Director | Grant(A) | 107K | — | $0 |
| Jan 3, 2024 | Boswell Peyton | Director | Grant(A) | 10K | — | $0 |
| Jan 3, 2024 | Meeusen Richard A | Director | Grant(A) | 10K | — | $0 |
| Jan 3, 2024 | Buehler Alexander J | Director | Grant(A) | 21K | — | $0 |
| Dec 4, 2023 | Stadil Simon Seidelin | Chief Financial Officer | Sell(S) | 14K | $3.23 | $47K |
| Nov 30, 2023 | Stadil Simon Seidelin | Chief Financial Officer | Sell(S) | 562 | $3.40 | $2K |
| Nov 21, 2023 | Stadil Simon Seidelin | Chief Financial Officer | Sell(S) | 3K | $3.57 | $11K |
| Nov 15, 2023 | Stadil Simon Seidelin | Chief Financial Officer | Sell(S) | 4K | $3.89 | $16K |
| Nov 13, 2023 | Stadil Simon Seidelin | Chief Financial Officer | Sell(S) | 3K | $3.82 | $11K |
| Jun 23, 2023 | Kunz Martin | Director | Grant(A) | 12K | — | $0 |
| Jun 14, 2023 | Chen Fei | Chief Executive Officer, Director | Buy(P) | 3K | $3.87 | $11K |
| Jun 14, 2023 | Chen Fei | Chief Executive Officer, Director | Buy(P) | 8K | $3.96 | $32K |
| May 26, 2023 | Chen Fei | Chief Executive Officer, Director | Buy(P) | 22K | $3.20 | $70K |
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.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).