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 19, 2023 | Hutson Nancy J | Director | Option exercise(M) | 4K | — | — |
| May 19, 2023 | Hutson Nancy J | Director | Option exercise(M) | 4K | — | $0 |
| May 19, 2023 | Loewy Caroline M | Director | Option exercise(M) | 4K | — | — |
| May 19, 2023 | Loewy Caroline M | Director | Option exercise(M) | 4K | — | $0 |
| May 19, 2023 | Sapir Alex | Director | Option exercise(M) | 4K | — | — |
| May 19, 2023 | Sapir Alex | Director | Option exercise(M) | 4K | — | $0 |
| May 19, 2023 | Harrigan Edmund | Director | Option exercise(M) | 4K | — | — |
| May 19, 2023 | Harrigan Edmund | Director | Option exercise(M) | 4K | — | $0 |
| May 19, 2023 | Humphries William D. | Director | Option exercise(M) | 3K | — | — |
| May 19, 2023 | Humphries William D. | Director | Option exercise(M) | 3K | — | $0 |
| May 19, 2023 | Thorp Clay | Director | Option exercise(M) | 4K | — | — |
| May 19, 2023 | Thorp Clay | Director | Option exercise(M) | 4K | — | $0 |
| May 19, 2023 | van den Broek Richard | Director | Grant(A) | 4K | — | — |
| May 19, 2023 | van den Broek Richard | Director | Option exercise(M) | 4K | — | $0 |
| Oct 25, 2022 | New Enterprise Associates 13 LP | 10% Owner | Sell(S) | 1.8M | $0.15 | $268K |
| May 23, 2022 | Burkhardt Glen | SVP of Human Resources | Sell(S) | 11K | $0.79 | $9K |
| May 20, 2022 | Sharp John P | Chief Financial Officer | Grant(A) | 6K | $0.68 | $4K |
| May 20, 2022 | Birchall Jonathan | Chief Commercial Officer | Grant(A) | 20K | $0.68 | $14K |
| May 20, 2022 | Hanson Kristopher | SVP and General Counsel | Grant(A) | 5K | $0.68 | $3K |
| May 20, 2022 | Burkhardt Glen | SVP of Human Resources | Grant(A) | 11K | $0.68 | $8K |
| May 20, 2022 | Mow Jonathan P | Chief Executive Officer, Director | Grant(A) | 11K | $0.68 | $7K |
| May 20, 2022 | Arnold Susan Elizabeth | SVP, Technical Operations | Grant(A) | 11K | $0.68 | $7K |
| May 19, 2022 | van den Broek Richard | Director | Grant(A) | 4K | — | $0 |
| May 19, 2022 | van den Broek Richard | Director | Grant(A) | 18K | — | $0 |
| May 19, 2022 | Harrigan Edmund | Director | Grant(A) | 4K | — | $0 |
| May 19, 2022 | Harrigan Edmund | Director | Grant(A) | 18K | — | $0 |
| May 19, 2022 | Loewy Caroline M | Director | Grant(A) | 18K | — | $0 |
| May 19, 2022 | Loewy Caroline M | Director | Grant(A) | 4K | — | $0 |
| May 19, 2022 | Sapir Alex | Director | Grant(A) | 4K | — | $0 |
| May 19, 2022 | Sapir Alex | Director | Grant(A) | 18K | — | $0 |
| May 19, 2022 | Hutson Nancy J | Director | Grant(A) | 18K | — | $0 |
| May 19, 2022 | Hutson Nancy J | Director | Grant(A) | 4K | — | $0 |
| May 19, 2022 | Thorp Clay | Director | Grant(A) | 4K | — | $0 |
| May 19, 2022 | Thorp Clay | Director | Grant(A) | 18K | — | $0 |
| May 19, 2022 | Humphries William D. | Director | Grant(A) | 12K | — | $0 |
| May 19, 2022 | Humphries William D. | Director | Grant(A) | 3K | — | $0 |
| Feb 24, 2022 | Mow Jonathan P | Chief Executive Officer, Director | Grant(A) | 83K | — | $0 |
| Feb 24, 2022 | Mow Jonathan P | Chief Executive Officer, Director | Grant(A) | 385K | — | $0 |
| Feb 24, 2022 | Hanson Kristopher | VP, Head of Legal | Grant(A) | 88K | — | $0 |
| Feb 24, 2022 | Hanson Kristopher | VP, Head of Legal | Grant(A) | 19K | — | $0 |
| Feb 24, 2022 | Arnold Susan Elizabeth | SVP, Technical Operations | Grant(A) | 88K | — | $0 |
| Feb 24, 2022 | Arnold Susan Elizabeth | SVP, Technical Operations | Grant(A) | 19K | — | $0 |
| Feb 24, 2022 | Lee John Sang | Chief Medical Officer | Grant(A) | 116K | — | $0 |
| Feb 24, 2022 | Lee John Sang | Chief Medical Officer | Grant(A) | 25K | — | $0 |
| Feb 24, 2022 | Birchall Jonathan | Chief Commercial Officer | Grant(A) | 53K | — | $0 |
| Feb 24, 2022 | Birchall Jonathan | Chief Commercial Officer | Grant(A) | 11K | — | $0 |
| Feb 24, 2022 | Burkhardt Glen | VP, Human Resources | Grant(A) | 19K | — | $0 |
| Feb 24, 2022 | Burkhardt Glen | VP, Human Resources | Grant(A) | 88K | — | $0 |
| Feb 24, 2022 | Sharp John P | Chief Financial Officer | Grant(A) | 116K | — | $0 |
| Feb 24, 2022 | Sharp John P | Chief Financial Officer | Grant(A) | 25K | — | $0 |
| Nov 19, 2021 | Mow Jonathan P | Chief Executive Officer, Director | Grant(A) | 6K | $2.01 | $11K |
| Nov 19, 2021 | Arnold Susan Elizabeth | SVP, Technical Operations | Grant(A) | 3K | $2.01 | $5K |
| Nov 19, 2021 | Sharp John P | Chief Financial Officer | Grant(A) | 2K | $2.01 | $4K |
| Nov 19, 2021 | Hanson Kristopher | VP, Head of Legal | Grant(A) | 2K | $2.01 | $3K |
| Nov 19, 2021 | Burkhardt Glen | VP, Human Resources | Grant(A) | 6K | $2.01 | $12K |
| Nov 19, 2021 | Burkhardt Glen | VP, Human Resources | Sell(S) | 6K | $2.37 | $14K |
| Nov 8, 2021 | Birchall Jonathan | Chief Commercial Officer | Grant(A) | 250K | $3.37 | $843K |
| Nov 8, 2021 | Hutson Nancy J | Director | Option exercise(M) | 7K | $3.15 | $23K |
| Nov 8, 2021 | Hutson Nancy J | Director | Option exercise(M) | 7K | $3.15 | $23K |
| Nov 5, 2021 | Hutson Nancy J | Director | Option exercise(M) | 25K | $2.26 | $56K |
| Nov 5, 2021 | Hutson Nancy J | Director | Option exercise(M) | 2K | $3.15 | $5K |
| Nov 5, 2021 | Hutson Nancy J | Director | Option exercise(M) | 25K | $2.26 | $56K |
| Nov 5, 2021 | Hutson Nancy J | Director | Option exercise(M) | 2K | $3.15 | $5K |
| Nov 3, 2021 | Mow Jonathan P | Chief Executive Officer, Director | Option exercise(M) | 20K | $1.24 | $25K |
| Nov 3, 2021 | Mow Jonathan P | Chief Executive Officer, Director | Option exercise(M) | 20K | $1.24 | $25K |
| Nov 3, 2021 | Sharp John P | Chief Financial Officer | Option exercise(M) | 8K | $1.68 | $13K |
| Nov 3, 2021 | Sharp John P | Chief Financial Officer | Option exercise(M) | 8K | $1.68 | $13K |
| Sep 14, 2021 | Humphries William D. | Director | Grant(A) | 28K | — | $0 |
| Aug 27, 2021 | Mow Jonathan P | Chief Executive Officer, Director | Option exercise(M) | 20K | — | $0 |
| Aug 27, 2021 | Mow Jonathan P | Chief Executive Officer, Director | Option exercise(M) | 20K | $1.24 | $25K |
| Aug 18, 2021 | Thorp Clay | Director | Buy(P) | 10K | $3.00 | $30K |
| Aug 18, 2021 | Hutson Nancy J | Director | Buy(P) | 3K | $3.08 | $9K |
| Aug 3, 2021 | Sharp John P | Chief Financial Officer | Option exercise(M) | 8K | — | $0 |
| Aug 3, 2021 | Sharp John P | Chief Financial Officer | Option exercise(M) | 8K | $1.68 | $13K |
| Jul 12, 2021 | Arnold Susan Elizabeth | VP, Preclinical and Chem | Option exercise(M) | 5K | — | $0 |
| Jul 12, 2021 | Arnold Susan Elizabeth | VP, Preclinical and Chem | Option exercise(M) | 5K | $1.74 | $8K |
| Jun 3, 2021 | van den Broek Richard | Director | Grant(A) | 14K | — | $0 |
| Jun 3, 2021 | Sapir Alex | Director | Grant(A) | 14K | — | $0 |
| Jun 3, 2021 | Harrigan Edmund | Director | Grant(A) | 14K | — | $0 |
| Jun 3, 2021 | Klein Peter Justin | Director | Grant(A) | 14K | — | $0 |
| Jun 3, 2021 | Loewy Caroline M | Director | Grant(A) | 14K | — | $0 |
| Jun 3, 2021 | Hutson Nancy J | Director | Grant(A) | 14K | — | $0 |
| Jun 3, 2021 | Thorp Clay | Director | Grant(A) | 14K | — | $0 |
| May 20, 2021 | Sharp John P | Chief Financial Officer | Grant(A) | 1K | $2.80 | $4K |
| May 20, 2021 | Burkhardt Glen | VP, Human Resources | Sell(S) | 4K | $3.29 | $13K |
| May 20, 2021 | Burkhardt Glen | VP, Human Resources | Grant(A) | 4K | $2.80 | $11K |
| May 20, 2021 | Mow Jonathan P | Chief Executive Officer, Director | Grant(A) | 4K | $2.80 | $11K |
| May 20, 2021 | York Michael | VP, Corporate Development | Grant(A) | 3K | $2.80 | $8K |
| May 20, 2021 | Arnold Susan Elizabeth | VP, Preclinical and Chem | Grant(A) | 5K | $2.80 | $15K |
| May 20, 2021 | Hanson Kristopher | VP, Head of Legal | Grant(A) | 1K | $2.80 | $3K |
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).