| No. | Hedge Fund | Shares | Value (x$1000) | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Hudson Executive Capital Douglas Braunstein And James Woolery | 2,374,119 | $48,717 | +19% | 14.37% |
| 2. | DAFNA Capital Management Nathan Fischel | 389,145 | $7,985 | 3.88% | |
| 3. | Tamarack Capital Management Justin John Ferayorni | 201,000 | $4,125 | +15% | 1.96% |
| 4. | AlphaOne Capital Partners Paul Hondros | 223,534 | $4,587 | -3% | 1.26% |
| 5. | Ardsley Partners Philip Hempleman | 20,000 | $410 | +15% | 0.06% |
| Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $17.64 | 11,000 | Director | 16,805 | 2018-03-01 | Filing | |
| $17.43 | 1,000 | Director | 10,469 | 2018-03-01 | Filing | |
| $18.36 | 1,500 | Director | 10,969 | 2017-11-08 | Filing | |
| $15.05 | 500 | Officer | 3,500 | 2014-05-06 | Filing | |
| $15.03 | 500 | Officer | 95,694 | 2014-05-06 | Filing |
| Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $25.00 | 2,090 | Director | 66,898 | 2018-06-14 | Filing | |
| $23.05 | 4,000 | Officer | 131,920 | 2018-05-15 | Filing | |
| $22.82 | 10,000 | Director | 19,967 | 2018-05-08 | Filing | |
| $20.00 | 10,000 | Director | 19,967 | 2018-03-13 | Filing | |
| $17.03 | 4,000 | Officer | 124,997 | 2018-02-15 | Filing |
| No. | Name | Shares | Value (x$1000) | % Port |
|---|---|---|---|---|
| 1. | 1,167,672 | $23,961 | 5.26% | |
| 2. | 126,846 | $2,603 | 2.64% | |
| 3. | 71,750 | $1,472 | 1.32% | |
| 4. | 108,887 | $2,234 | 0.53% | |
| 5. | 503,996 | $10,342 | 0.41% |
