| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For ARCT | |||||
| 2025-08-15 | Sassine, Andy | Director, Chief Financial Officer | Purchased | 1238 | $16.56 |
| 2025-08-15 | Sassine, Andy | Director, Chief Financial Officer | Sold | 1238 | $16.56 |
| 2025-06-09 | Barlow, James F | Director | Purchased | 15000 | $0.00 |
| 2025-06-09 | Marantz, Jing L. | Director | Purchased | 15000 | $0.00 |
| 2025-06-09 | Marquet, Magda | Director | Purchased | 15000 | $0.00 |
| 2025-06-09 | Farrell, Peter C | Director | Purchased | 15000 | $0.00 |
| 2025-06-09 | Holmes, Edward W | Director | Purchased | 15000 | $0.00 |
| 2025-06-09 | Slaoui, Moncef | Director | Purchased | 15000 | $0.00 |
| 2025-06-09 | Markels, John | Director | Purchased | 15000 | $0.00 |
| 2024-12-16 | Sassine, Andy | Director, Chief Financial Officer | Purchased | 60000 | $0.00 |
| 2024-12-16 | Payne, Joseph E | Director, President and CEO | Purchased | 196000 | $0.00 |
| 2024-12-16 | Kurata, Lance | Chief Legal Officer | Purchased | 60000 | $0.00 |
| 2024-12-16 | Chivukula, Pad | Chief Scientific Officer & COO | Purchased | 60000 | $0.00 |
| 2024-10-15 | Chivukula, Pad | Chief Scientific Officer & COO | Sold | 12000 | $20.76 |
| 2024-06-19 | Slaoui, Moncef | Director | Purchased | 14794 | $0.00 |
| 2024-06-19 | Slaoui, Moncef | Director | Purchased | 15000 | $0.00 |
| 2024-06-14 | Marquet, Magda | Director | Purchased | 15000 | $0.00 |
| 2024-06-14 | Farrell, Peter C | Director | Sold | 3131 | $0.00 |
| 2024-06-14 | Farrell, Peter C | Director | Purchased | 15000 | $0.00 |
| 2024-06-14 | Marquet, Magda | Director | Sold | 3131 | $0.00 |
