| 2022-08-30 | HARMAN JERI J | - | Buy | 11,200 | $2.27 | $25,379.20 | +10.4% | → |
| 2022-07-06 | Corre Partners Management, LLC | - | Buy | 62,789 | $2.35 | $147,456.10 | +0.5% | → |
| 2022-06-23 | Corre Partners Management, LLC | - | Buy | 68,083 | $2.34 | $159,231.21 | +0.8% | → |
| 2022-05-20 | Faria Joao V | - | Buy | 7,700 | $2.60 | $20,006.14 | +15.4% | → |
| 2022-05-17 | BENVENUTI RAYNARD D. | - | Buy | 10,000 | $2.41 | $24,140.00 | +100.0% | → |
| 2022-05-17 | Corre Partners Management, LLC | - | Buy | 564,188 | $2.38 | $1,342,858.90 | +4.2% | → |
| 2022-05-13 | HARMAN JERI J | - | Buy | 10,680 | $2.34 | $24,975.14 | +5.2% | → |
| 2022-05-13 | FELCHER, JR. MICHAEL C. | SVP, Chief Financial Officer | Buy | 5,000 | $2.37 | $11,870.00 | +8.5% | → |
| 2022-05-13 | Veltman Warren A | President and CEO | Buy | 50,000 | $2.39 | $119,265.00 | +11.7% | → |
| 2022-04-21 | Corre Partners Management, LLC | - | Buy | 403,916 | $2.64 | $1,068,314.69 | +3.4% | → |
| 2022-03-23 | Wilson Thomas Hampton Jr. | - | Buy | 20,000 | $2.89 | $57,857.28 | +7.5% | → |
| 2021-12-22 | BUCHAN JOHN | See Remarks | Sell | 48,052 | $4.09 | $196,623.98 | -53.4% | → |
| 2021-12-09 | HARMAN JERI J | - | Buy | 5,240 | $4.79 | $25,099.60 | +9.2% | → |
| 2021-12-01 | Veltman Warren A | President and CEO | Buy | 20,000 | $4.29 | $85,888.00 | +9.4% | → |
| 2021-11-09 | Carroll Christina | - | Buy | 4,500 | $5.55 | $25,000.00 | +5.2% | → |
| 2021-09-09 | HARMAN JERI J | - | Buy | 5,000 | $5.14 | $25,700.00 | +9.6% | → |
| 2021-08-23 | BENVENUTI RAYNARD D. | - | Buy | 5,000 | $5.35 | $26,725.00 | +100.0% | → |
| 2021-08-18 | BENVENUTI RAYNARD D. | - | Buy | 5,000 | $5.52 | $27,591.90 | +617.3% | → |
| 2021-06-17 | Veltman Warren A | President and CEO | Buy | 20,000 | $7.05 | $141,000.00 | +10.3% | → |
| 2019-06-19 | Atkinson James Robert | EVP, Life Sciences | Buy | 3,000 | $8.65 | $25,950.00 | +16.2% | → |
| 2019-05-28 | Floyd David | - | Buy | 9,000 | $8.05 | $72,450.00 | +199.0% | → |
| 2018-12-24 | Smith Carey A. | - | Buy | 5,000 | $5.80 | $29,000.00 | +79.0% | → |
| 2018-12-18 | BURWELL THOMAS C. Jr. | See Remarks | Buy | 7,000 | $6.13 | $42,910.00 | +17.8% | → |
| 2018-12-14 | Brunner Robert E | - | Buy | 4,000 | $6.31 | $25,240.00 | New | → |
| 2018-12-07 | Holder Richard D | President & CEO | Buy | 4,565 | $6.85 | $31,270.25 | +2.6% | → |
| 2018-09-17 | Heiter Matthew S. | Senior VP and General Counsel | Buy | 2,150 | $15.99 | $34,378.50 | +13.4% | → |
| 2018-09-14 | Holder Richard D | President & CEO | Buy | 3,100 | $16.04 | $49,724.00 | +1.8% | → |
| 2018-09-13 | Floyd David | - | Buy | 1,200 | $16.07 | $19,284.00 | +36.1% | → |
| 2017-12-01 | Floyd David | - | Buy | 1,865 | $26.98 | $50,317.70 | +127.9% | → |
| 2017-10-25 | BURWELL THOMAS C. Jr. | See Remarks | Sale+OE | 2,000 | $32.00 | $64,000.00 | -5.7% | → |
| 2017-09-19 | WARSHAW STEVEN T | - | Sale+OE | 3,000 | $27.78 | $83,350.00 | -2.6% | → |
| 2017-09-18 | BURWELL THOMAS C. Jr. | See Remarks | Sale+OE | 6,000 | $27.38 | $164,265.00 | -8.2% | → |
| 2017-09-15 | WARSHAW STEVEN T | - | Sale+OE | 5,000 | $27.08 | $135,390.00 | -4.2% | → |
| 2017-01-25 | WARSHAW STEVEN T | - | Sale+OE | 7,500 | $20.01 | $150,075.00 | -12.5% | → |