| 2018-08-31 | SCHIMMEL PAUL | Director | Buy | 22,000 | $0.72 | $15,752.00 | +3.2% | → |
| 2018-08-30 | SCHIMMEL PAUL | Director | Buy | 164,411 | $0.74 | $121,573.38 | +14.5% | → |
| 2018-05-18 | SCHIMMEL PAUL | Director | Buy | 150,000 | $1.00 | $149,445.00 | +39.7% | → |
| 2018-05-16 | EcoR1 Capital Fund Qualified, L.P. | 10% Owner | Sell | 3,209,316 | $0.93 | $2,999,055.65 | -36.5% | → |
| 2018-02-08 | Blake John T | Senior Vice President, Finance | Sale+OE | 1,402 | $3.40 | $4,766.80 | -42.1% | → |
| 2018-02-08 | Amanullah Ashraf | See Remarks | Sale+OE | 1,402 | $3.40 | $4,766.80 | -42.1% | → |
| 2017-11-13 | EcoR1 Capital Fund Qualified, L.P. | 10% Owner | Sell | 13,832 | $4.08 | $56,474.72 | -0.1% | → |
| 2017-11-01 | EcoR1 Capital Fund Qualified, L.P. | 10% Owner | Buy | 29,607 | $4.84 | $143,333.35 | +0.5% | → |
| 2017-08-31 | SCHIMMEL PAUL | Director | Buy | 94,336 | $2.65 | $249,990.40 | +33.3% | → |
| 2017-08-31 | MENDLEIN JOHN | CEO and Director | Buy | 37,736 | $2.65 | $100,000.40 | +11.4% | → |
| 2017-04-24 | MENDLEIN JOHN | CEO and Director | Buy | 124 | $3.00 | $372.00 | - | → |
| 2017-04-20 | MENDLEIN JOHN | CEO and Director | Buy | 2,552 | $3.00 | $7,656.00 | +0.4% | → |
| 2016-12-21 | SCHIMMEL PAUL | Director | Buy | 25,000 | $2.28 | $56,928.00 | +1.8% | → |
| 2016-12-20 | Amanullah Ashraf | Vice President, Manufacturing | Buy | 11,000 | $2.25 | $24,748.90 | New | → |
| 2016-12-19 | MENDLEIN JOHN | CEO and Director | Buy | 69,000 | $2.20 | $151,662.00 | +27.0% | → |
| 2016-12-16 | SCHIMMEL PAUL | Director | Buy | 50,000 | $2.48 | $123,885.00 | +3.7% | → |
| 2016-05-11 | Matsuoka Grove | See Remarks | Buy | 12,412 | $3.04 | $37,728.96 | +514.6% | → |
| 2016-04-14 | SCHIMMEL PAUL | Director | Buy | 66,219 | $4.18 | $276,933.57 | +24.5% | → |
| 2016-04-13 | SCHIMMEL PAUL | Director | Buy | 9,835 | $3.85 | $37,864.75 | +4.1% | → |
| 2016-04-12 | SCHIMMEL PAUL | Director | Buy | 9,127 | $3.71 | $33,901.39 | +3.6% | → |
| 2016-04-11 | SCHIMMEL PAUL | Director | Buy | 32,659 | $3.57 | $116,534.78 | +8.1% | → |
| 2016-04-08 | SCHIMMEL PAUL | Director | Buy | 85,000 | $3.22 | $273,649.00 | +82.9% | → |
| 2016-04-07 | SCHIMMEL PAUL | Director | Buy | 40,000 | $3.19 | $127,584.00 | +63.9% | → |
| 2016-04-06 | SCHIMMEL PAUL | Director | Buy | 25,000 | $3.20 | $80,000.00 | +66.5% | → |
| 2016-04-05 | SCHIMMEL PAUL | Director | Buy | 25,000 | $3.52 | $88,117.50 | +198.9% | → |
| 2016-04-05 | MENDLEIN JOHN | CEO and Director | Buy | 2,500 | $3.52 | $8,800.00 | +1.0% | → |
| 2016-04-05 | MENDLEIN JOHN | CEO and Director | Buy | 2,500 | $3.55 | $8,875.00 | +1.0% | → |
| 2015-05-12 | Flynn James E | 10% Owner, Possible Member of 10% Group | Buy | 50,000 | $14.00 | $700,000.00 | +10.8% | → |
| 2015-05-12 | Sofinnova Venture Partners IX, L.P. | 10% Owner | Buy | 320,000 | $14.00 | $4,480,000.00 | +20.7% | → |
| 2015-05-12 | AKKARAJU SRINIVAS | Director, Former 10% Owner | Buy | 320,000 | $14.00 | $4,480,000.00 | +20.7% | → |