| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 07/22/2019 | COWEN INC. | 10% Owner | Sale | | 100 | $10.34 | $1k | By Cowen and Company, LLC | 03/29/2019 |
| 07/22/2019 | COWEN INC. | 10% Owner | Sale | | 100 | $10.36 | $1k | By Cowen and Company, LLC | 03/29/2019 |
| 07/22/2019 | COWEN INC. | 10% Owner | Sale | | 100 | $10.40 | $1k | By Cowen and Company, LLC | 03/29/2019 |
| 06/28/2019 | COWEN INC. | 10% Owner | Purchase | | 100 | $10.40 | $1k | By Cowen and Company, LLC | 03/29/2019 |
| 06/27/2019 | COWEN INC. | 10% Owner | Purchase | | 200 | $10.38 | $2.1k | By Cowen and Company, LLC | 03/29/2019 |
| 06/04/2019 | COWEN INC. | 10% Owner | Purchase | | 1000 | $10.35 | $10.4k | By Cowen and Company, LLC | 03/29/2019 |
| 06/04/2019 | COWEN INC. | 10% Owner | Purchase | | 100 | $10.39 | $1k | By Cowen and Company, LLC | 03/29/2019 |
| 05/31/2019 | COWEN INC. | 10% Owner | Purchase | | 1.5k | $10.34 | $15.5k | By Cowen and Company, LLC | 03/29/2019 |
| 05/30/2019 | COWEN INC. | 10% Owner | Purchase | | 100 | $10.34 | $1k | By Cowen and Company, LLC | 03/29/2019 |
| 04/30/2019 | COWEN INC. | 10% Owner | Purchase | | 400 | $10.25 | $4.1k | By Cowen and Company, LLC | 03/29/2019 |
| 04/30/2019 | COWEN INC. | 10% Owner | Purchase | | 1.7k | $10.29 | $17.8k | By Cowen and Company, LLC | 03/29/2019 |
| 04/30/2019 | COWEN INC. | 10% Owner | Purchase | | 6.8k | $10.30 | $70.4k | By Cowen and Company, LLC | 03/29/2019 |
| 04/30/2019 | COWEN INC. | 10% Owner | Purchase | | 300 | $10.34 | $3.1k | By Cowen and Company, LLC | 03/29/2019 |
| 03/29/2019 | COWEN INC. | 10% Owner | Purchase | | 100 | $10.32 | $1k | By Cowen and Company, LLC | 03/29/2019 |
| 07/17/2017 | COHEN PETER A | 10% Owner | Sale | | 248k | $0.31 | $78.1k | By Cowen Investments LLC | 07/17/2017 |
| 07/13/2017 | COHEN PETER A | 10% Owner | Sale | | 100k | $0.31 | $30.8k | By Cowen Investments LLC | 07/12/2017 |
| 07/12/2017 | COHEN PETER A | 10% Owner | Sale | | 500k | $0.21 | $105.7k | By Cowen Investments LLC | 07/12/2017 |
| 06/29/2017 | COHEN PETER A | 10% Owner | Exercise (in-the-money or at-the-money) | | 65.6k | $0.08 | $5.2k | By Cowen Investments LLC | 06/29/2017 |
| 06/29/2017 | COHEN PETER A | 10% Owner | Exercise (in-the-money or at-the-money) | | 328.1k | $0.08 | $26.2k | By Cowen Investments LLC | 06/29/2017 |
| 06/23/2016 | Priest Robert Lee Jr | CFO and Secretary | Other (acquisition) | Common Stock | 152.8k | $0.00 | $0 | | 06/23/2016 |
| 06/23/2016 | Priest Robert Lee Jr | CFO and Secretary | Other (disposition) | Series B-2 Warrant | 31.2k | $0.00 | $0 | | 06/23/2016 |
| 03/15/2016 | Terry Benjamin Scott | CEO | Grant | Common Stock | 242.1k | $2.07 | $500k | | 03/15/2016 |