| 2025-11-17 | Watson W. Mark | Director | Buy | 20,000 | $0.41 | $8,185.00 | +9.0% | → |
| 2025-11-17 | HERON ELAINE J | Director | Buy | 40,000 | $0.40 | $15,921.40 | +29.3% | → |
| 2025-08-15 | Finney Kevin | Director | Buy | 166,668 | $0.37 | $61,933.84 | +35.1% | → |
| 2025-07-29 | Watson W. Mark | Director | Buy | 10,000 | $0.41 | $4,050.00 | +10.6% | → |
| 2025-05-19 | Lo Steven | President, Chief Exec Officer | Buy | 100,000 | $0.49 | $49,000.00 | New | → |
| 2024-06-18 | Watson W. Mark | - | Buy | 20,000 | $0.68 | $13,578.00 | +34.4% | → |
| 2022-12-28 | Watson W. Mark | - | Buy | 20,000 | $0.76 | $15,140.00 | New | → |
| 2022-06-22 | Ahmad Fuad | Interim CFO | Buy | 5,000 | $3.22 | $16,100.00 | New | → |
| 2022-01-10 | Yedid Robert A. | - | Sell | 1,500 | $6.01 | $9,015.15 | -100% | → |
| 2021-11-30 | Echerd Margaret | SVP, Principal Accntng Officer | Sale+OE | 3,602 | $8.00 | $28,816.00 | -100% | → |
| 2021-09-10 | Echerd Margaret | SVP, Principal Accntng Officer | Sale+OE | 1,801 | $9.10 | $16,389.10 | -100% | → |
| 2021-08-10 | Tucker Sean | SVP, Chief Scientific Officer | Sell | 10,000 | $10.20 | $102,000.00 | -9.5% | → |
| 2021-08-10 | Echerd Margaret | SVP, Principal Accntng Officer | Sale+OE | 1,801 | $10.00 | $18,010.00 | -100% | → |
| 2021-07-19 | Echerd Margaret | SVP, Principal Accntng Officer | Sale+OE | 1,800 | $8.00 | $14,400.00 | -100% | → |
| 2021-06-11 | Yedid Robert A. | - | Sale+OE | 10,000 | $8.61 | $86,109.00 | -54.8% | → |
| 2021-06-11 | Echerd Margaret | SVP, Principal Accntng Officer | Sale+OE | 1,802 | $8.00 | $14,416.00 | -100% | → |
| 2021-06-09 | Echerd Margaret | SVP, Principal Accntng Officer | Sale+OE | 47,555 | $8.00 | $380,440.00 | -100% | → |
| 2021-05-07 | Latour Wouter | - | Sale+OE | 200,000 | $6.83 | $1,366,640.00 | -100% | → |
| 2021-03-04 | Latour Wouter | - | Sale+OE | 150,000 | $6.04 | $906,450.00 | -100% | → |
| 2020-11-23 | Latour Wouter | - | Sell | 333,334 | $6.32 | $2,108,137.55 | -100% | → |
| 2020-06-29 | ARMISTICE CAPITAL, LLC | - | Sell | 27,612,053 | $9.67 | $266,997,653.40 | -71.2% | → |
| 2020-06-03 | ARMISTICE CAPITAL, LLC | - | Sell | 1,400,000 | $2.75 | $3,856,000.00 | -3.0% | → |
| 2020-05-27 | ARMISTICE CAPITAL, LLC | - | Sell | 200,000 | $2.61 | $522,000.00 | -1.2% | → |
| 2020-05-22 | ARMISTICE CAPITAL, LLC | - | Sell | 1,750,000 | $3.10 | $5,428,500.00 | -3.2% | → |
| 2020-05-18 | ARMISTICE CAPITAL, LLC | - | Sell | 650,000 | $2.86 | $1,859,000.00 | -2.0% | → |