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 30, 2025 | Yasui Daishin | 10% Owner | Sell(S) | 60K | $0.70 | $42K |
| May 29, 2025 | Yasui Daishin | 10% Owner | Sell(S) | 50K | $0.67 | $34K |
| May 21, 2025 | Yasui Daishin | 10% Owner | Sell(S) | 869 | $0.61 | $530 |
| May 20, 2025 | Yasui Daishin | 10% Owner | Sell(S) | 10K | $0.56 | $6K |
| Mar 21, 2025 | Yasui Daishin | 10% Owner | Sell(S) | 3K | $1.06 | $3K |
| Mar 19, 2025 | Yasui Daishin | 10% Owner | Sell(S) | 300 | $0.95 | $285 |
| Nov 19, 2024 | Kuno Keisuke | CX Division Vice President | Sell(S) | 10K | $1.26 | $13K |
| Nov 19, 2024 | Kuno Keisuke | CX Division Vice President | Sell(S) | 10K | $1.27 | $13K |
| Nov 19, 2024 | Kuno Keisuke | CX Division Vice President | Sell(S) | 6K | $1.28 | $8K |
| Oct 1, 2024 | Hosaka Kimio | Chief Operating Officer, Director | Grant(A) | 8K | — | $0 |
| Oct 1, 2024 | Gao Qizhi | Chief Financial Officer | Grant(A) | 6K | — | $0 |
| Oct 1, 2024 | Kuno Keisuke | CX Division Vice President | Grant(A) | 9K | — | $0 |
| Oct 1, 2024 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Grant(A) | 46K | — | $0 |
| Nov 16, 2023 | Hosaka Kimio | Chief Operating Officer, Director | Buy(P) | 6K | $0.50 | $3K |
| Nov 16, 2023 | Kuno Keisuke | CX Division Vice President | Buy(P) | 26K | $0.59 | $15K |
| Nov 15, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Buy(P) | 10K | $0.51 | $5K |
| Jul 3, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 2K | $1.43 | $3K |
| Jun 30, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 3K | $1.44 | $4K |
| Jun 30, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 17K | $1.46 | $25K |
| Jun 29, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 18K | $1.57 | $28K |
| Jun 27, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 7K | $1.60 | $12K |
| Jun 26, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 38K | $1.61 | $61K |
| Jun 23, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 8K | $1.61 | $13K |
| Jun 22, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 15K | $1.61 | $24K |
| Jun 21, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 14K | $1.57 | $22K |
| Jun 20, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 10K | $1.50 | $16K |
| Jun 16, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 8K | $1.48 | $12K |
| Jun 15, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 7K | $1.47 | $10K |
| Jun 14, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 14K | $1.49 | $20K |
| Jun 13, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 9K | $1.39 | $12K |
| Jun 12, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 75K | $1.32 | $99K |
| Jun 9, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 75K | $1.37 | $103K |
| Jun 8, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 17K | $1.52 | $26K |
| Jun 7, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 19K | $1.46 | $27K |
| Jun 6, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 26K | $1.42 | $37K |
| Jun 5, 2023 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Sell(S) | 35K | $1.44 | $50K |
| Feb 9, 2022 | Kuno Keisuke | CX Division Vice President | Grant(A) | 13K | — | $0 |
| Feb 9, 2022 | Miyata Hidekazu | Chief Technical Officer | Grant(A) | 9K | — | $0 |
| Feb 9, 2022 | Gao Qizhi | Chief Financial Officer | Grant(A) | 6K | — | $0 |
| Feb 9, 2022 | Yamamoto Sumitaka | Chairman, CEO & President, Director, 10% Owner | Grant(A) | 46K | — | $0 |
| Feb 9, 2022 | Hosaka Kimio | Chief Operating Officer, Director | Grant(A) | 11K | — | $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).