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 |
|---|---|---|---|---|---|---|
| Dec 10, 2021 | EcoR1 Capital, LLC | 10% Owner | Sell(S) | 545K | $1.55 | $845K |
| Dec 10, 2021 | EcoR1 Capital, LLC | 10% Owner | Sell(S) | 5.0M | $1.66 | $8.3M |
| Dec 9, 2021 | EcoR1 Capital, LLC | 10% Owner | Sell(S) | 157K | $1.82 | $285K |
| Dec 1, 2021 | EcoR1 Capital, LLC | 10% Owner | Buy(P) | 186K | $1.66 | $309K |
| Dec 1, 2021 | EcoR1 Capital, LLC | 10% Owner | Sell(S) | 186K | $1.66 | $309K |
| Nov 24, 2021 | Boxer Capital, LLC | 10% Owner | Sell(S) | 200K | $1.57 | $314K |
| Nov 22, 2021 | Boxer Capital, LLC | 10% Owner | Sell(S) | 200K | $1.55 | $310K |
| Nov 19, 2021 | Tang Capital Management LLC | 10% Owner | Sell(S) | 365K | $1.92 | $701K |
| Nov 19, 2021 | Boxer Capital, LLC | Director, 10% Owner | Sell(S) | 150K | $1.84 | $276K |
| Nov 19, 2021 | Davis Aaron I. | Director, 10% Owner | Sell(S) | 30K | $1.92 | $58K |
| Nov 19, 2021 | Davis Aaron I. | Director, 10% Owner | Sell(S) | 150K | $1.84 | $276K |
| Nov 18, 2021 | Tang Capital Management LLC | 10% Owner | Sell(S) | 382K | $1.89 | $722K |
| Nov 18, 2021 | Tang Capital Management LLC | 10% Owner | Sell(S) | 500K | $1.88 | $940K |
| Nov 18, 2021 | Tang Capital Management LLC | 10% Owner | Sell(S) | 212K | $1.97 | $418K |
| Nov 18, 2021 | Boxer Capital, LLC | Director, 10% Owner | Sell(S) | 250K | $1.95 | $488K |
| Nov 18, 2021 | Davis Aaron I. | Director, 10% Owner | Sell(S) | 250K | $1.95 | $488K |
| Nov 17, 2021 | Tang Capital Management LLC | 10% Owner | Sell(S) | 288K | $2.20 | $633K |
| Nov 17, 2021 | Tang Capital Management LLC | 10% Owner | Sell(S) | 500K | $2.02 | $1.0M |
| Nov 17, 2021 | Tang Capital Management LLC | 10% Owner | Sell(S) | 31K | $1.99 | $62K |
| Nov 17, 2021 | Tang Capital Management LLC | 10% Owner | Sell(S) | 469K | $2.66 | $1.2M |
| Nov 17, 2021 | Boxer Capital, LLC | Director, 10% Owner | Sell(S) | 600K | $2.17 | $1.3M |
| Nov 17, 2021 | Davis Aaron I. | Director, 10% Owner | Sell(S) | 170K | $2.23 | $379K |
| Nov 17, 2021 | Davis Aaron I. | Director, 10% Owner | Sell(S) | 600K | $2.17 | $1.3M |
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).