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 6, 2022 | Lo Steven | Chief Executive Officer, Director | Sell(S) | 442 | $0.71 | $314 |
| Jun 6, 2022 | Matthews Christine | Chief Financial Officer | Sell(S) | 82 | $0.71 | $58 |
| Mar 31, 2022 | Lo Steven | Chief Executive Officer, Director | Sell(S) | 24K | $0.21 | $5K |
| Mar 31, 2022 | Kellerman Donald J | VP, Clinical Dev & Med Affairs | Sell(S) | 4K | $0.21 | $841 |
| Mar 31, 2022 | Matthews Christine | Chief Financial Officer | Sell(S) | 8K | $0.21 | $2K |
| Dec 7, 2021 | Yang Elaine | Director | Grant(A) | 90K | — | $0 |
| Nov 23, 2021 | Greathouse Kenneth | Director | Sell(S) | 10K | $0.60 | $6K |
| Oct 15, 2021 | Lo Steven | Chief Executive Officer, Director | Grant(A) | 119K | — | $0 |
| Oct 15, 2021 | Lo Steven | Chief Executive Officer, Director | Grant(A) | 238K | — | $0 |
| Oct 15, 2021 | Matthews Christine | Chief Financial Officer | Grant(A) | 56K | — | $0 |
| Oct 15, 2021 | Matthews Christine | Chief Financial Officer | Grant(A) | 113K | — | $0 |
| Oct 15, 2021 | Kellerman Donald J | VP, Clinical Dev & Med Affairs | Grant(A) | 10K | — | $0 |
| Oct 15, 2021 | Kellerman Donald J | VP, Clinical Dev & Med Affairs | Grant(A) | 20K | — | $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 → 2026-07-11. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).