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 5, 2026 | Holmes Edward W | Director | Grant(A) | 15K | — | $0 |
| Jun 5, 2026 | Marantz Jing L. | Director | Grant(A) | 15K | — | $0 |
| Jun 5, 2026 | Marquet Magda | Director | Grant(A) | 15K | — | $0 |
| Jun 5, 2026 | Slaoui Moncef | Director | Grant(A) | 15K | — | $0 |
| Jun 5, 2026 | Markels John | Director | Grant(A) | 15K | — | $0 |
| Jun 5, 2026 | Barlow James F | Director | Grant(A) | 15K | — | $0 |
| Jun 5, 2026 | Farrell Peter C | Director | Grant(A) | 15K | — | $0 |
| May 1, 2026 | Mulroy Dennis | Chief Financial Officer | Grant(A) | 100K | — | $0 |
| Dec 17, 2025 | Kurata Lance | Chief Legal Officer | Grant(A) | 54K | — | $0 |
| Dec 17, 2025 | Payne Joseph E | President and CEO, Director | Grant(A) | 175K | — | $0 |
| Dec 17, 2025 | Chivukula Pad | Chief Scientific Officer & COO | Grant(A) | 54K | — | $0 |
| Dec 17, 2025 | Roberts Joseph | Controller | Grant(A) | 10K | — | $0 |
| Aug 15, 2025 | Sassine Andy | Chief Financial Officer, Director | Buy(P) | 1K | $16.56 | $21K |
| Jun 9, 2025 | Holmes Edward W | Director | Grant(A) | 15K | — | $0 |
| Jun 9, 2025 | Barlow James F | Director | Grant(A) | 15K | — | $0 |
| Jun 9, 2025 | Marantz Jing L. | Director | Grant(A) | 15K | — | $0 |
| Jun 9, 2025 | Markels John | Director | Grant(A) | 15K | — | $0 |
| Jun 9, 2025 | Marquet Magda | Director | Grant(A) | 15K | — | $0 |
| Jun 9, 2025 | Slaoui Moncef | Director | Grant(A) | 15K | — | $0 |
| Jun 9, 2025 | Farrell Peter C | Director | Grant(A) | 15K | — | $0 |
| Dec 16, 2024 | Sassine Andy | Chief Financial Officer, Director | Grant(A) | 60K | — | $0 |
| Dec 16, 2024 | Chivukula Pad | Chief Scientific Officer & COO | Grant(A) | 60K | — | $0 |
| Dec 16, 2024 | Payne Joseph E | President and CEO, Director | Grant(A) | 196K | — | $0 |
| Dec 16, 2024 | Kurata Lance | Chief Legal Officer | Grant(A) | 60K | — | $0 |
| Oct 15, 2024 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 12K | $20.76 | $249K |
| Jun 19, 2024 | Slaoui Moncef | Director | Grant(A) | 15K | — | $0 |
| Jun 19, 2024 | Slaoui Moncef | Director | Grant(A) | 15K | — | $0 |
| Jun 14, 2024 | Farrell Peter C | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Farrell Peter C | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Farrell Peter C | Director | Grant(A) | 15K | — | $0 |
| Jun 14, 2024 | Barlow James F | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Barlow James F | Director | Grant(A) | 15K | — | $0 |
| Jun 14, 2024 | Barlow James F | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Marquet Magda | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Marquet Magda | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Marquet Magda | Director | Grant(A) | 15K | — | $0 |
| Jun 14, 2024 | Markels John | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Markels John | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Markels John | Director | Grant(A) | 15K | — | $0 |
| Jun 14, 2024 | Holmes Edward W | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Holmes Edward W | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Holmes Edward W | Director | Grant(A) | 15K | — | $0 |
| Jun 14, 2024 | Marantz Jing L. | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Marantz Jing L. | Director | Option exercise(M) | 3K | — | $0 |
| Jun 14, 2024 | Marantz Jing L. | Director | Grant(A) | 15K | — | $0 |
| Jun 12, 2024 | Sassine Andy | Chief Financial Officer, Director | Sell(S) | 50K | $32.03 | $1.6M |
| Jun 5, 2024 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 114 | $45.00 | $5K |
| Jun 3, 2024 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 26K | $40.01 | $1.0M |
| Mar 25, 2024 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 17K | $35.02 | $611K |
| Mar 19, 2024 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 9K | $35.01 | $300K |
| Dec 15, 2023 | Payne Joseph E | President and CEO, Director | Grant(A) | 200K | — | $0 |
| Dec 15, 2023 | Kummerfeld Keith C | See Remarks | Grant(A) | 30K | — | $0 |
| Dec 15, 2023 | Kurata Lance | Chief Legal Officer | Grant(A) | 75K | — | $0 |
| Dec 15, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Grant(A) | 125K | — | $0 |
| Dec 15, 2023 | Sassine Andy | Chief Financial Officer, Director | Grant(A) | 75K | — | $0 |
| Nov 1, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 5K | $18.72 | $94K |
| Oct 2, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 5K | $25.61 | $128K |
| Sep 1, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 5K | $31.45 | $157K |
| Aug 15, 2023 | Sassine Andy | Chief Financial Officer, Director | Grant(A) | 1K | $17.37 | $21K |
| Aug 1, 2023 | Marquet Magda | Director | Grant(A) | 3K | — | $0 |
| Aug 1, 2023 | Marquet Magda | Director | Grant(A) | 12K | — | $0 |
| Aug 1, 2023 | Barlow James F | Director | Grant(A) | 12K | — | $0 |
| Aug 1, 2023 | Barlow James F | Director | Grant(A) | 3K | — | $0 |
| Aug 1, 2023 | Holmes Edward W | Director | Grant(A) | 12K | — | $0 |
| Aug 1, 2023 | Holmes Edward W | Director | Grant(A) | 3K | — | $0 |
| Aug 1, 2023 | Marantz Jing L. | Director | Grant(A) | 12K | — | $0 |
| Aug 1, 2023 | Marantz Jing L. | Director | Grant(A) | 3K | — | $0 |
| Aug 1, 2023 | Farrell Peter C | Director | Grant(A) | 12K | — | $0 |
| Aug 1, 2023 | Farrell Peter C | Director | Grant(A) | 3K | — | $0 |
| Aug 1, 2023 | Markels John | Director | Grant(A) | 12K | — | $0 |
| Aug 1, 2023 | Markels John | Director | Grant(A) | 3K | — | $0 |
| Aug 1, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 5K | $34.91 | $175K |
| Jul 14, 2023 | Kummerfeld Keith C | See Remarks | Sell(S) | 7K | $35.00 | $244K |
| Jul 14, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 1K | $14.12 | $15K |
| Jul 14, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 5K | $9.04 | $41K |
| Jul 14, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 1K | $4.99 | $7K |
| Jul 14, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 1K | — | $0 |
| Jul 14, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 1K | — | $0 |
| Jul 14, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 5K | — | $0 |
| Jul 14, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 25K | $35.01 | $875K |
| Jul 3, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 5K | $28.75 | $144K |
| Jun 1, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 5K | $27.16 | $136K |
| May 11, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 8K | $30.24 | $240K |
| May 10, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 17K | $30.00 | $512K |
| May 1, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 5K | $25.93 | $130K |
| Apr 18, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 5K | $9.04 | $41K |
| Apr 18, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 1K | $4.99 | $7K |
| Apr 18, 2023 | Kummerfeld Keith C | See Remarks | Sell(S) | 7K | $28.18 | $196K |
| Apr 18, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 1K | $14.12 | $15K |
| Apr 17, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 5K | — | $0 |
| Apr 17, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 1K | — | $0 |
| Apr 17, 2023 | Kummerfeld Keith C | See Remarks | Option exercise(M) | 1K | — | $0 |
| Apr 3, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 5K | $25.38 | $127K |
| Mar 6, 2023 | Chivukula Pad | Chief Scientific Officer & COO | Sell(S) | 5K | $16.07 | $80K |
| Dec 15, 2022 | Marquet Magda | Director | Buy(P) | 2K | $18.00 | $40K |
| Dec 9, 2022 | Kurata Lance | Chief Legal Officer | Grant(A) | 125K | — | $0 |
| Dec 9, 2022 | Chivukula Pad | Chief Scientific Officer & COO | Grant(A) | 125K | — | $0 |
| Dec 9, 2022 | Payne Joseph E | President and CEO, Director | Grant(A) | 250K | — | $0 |
| Dec 9, 2022 | Sassine Andy | Chief Financial Officer, Director | Grant(A) | 125K | — | $0 |
| Dec 9, 2022 | Kummerfeld Keith C | See Remarks | Grant(A) | 40K | — | $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).