| No. | Hedge Fund | Shares | Value (x$1000) | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Hudson Executive Capital Douglas Braunstein And James Woolery | 2,374,119 | $64,220 | 14.29% | |
| 2. | DAFNA Capital Management Nathan Fischel | 315,345 | $8,530 | -19% | 3.99% |
| 3. | Tamarack Capital Management Justin John Ferayorni | 260,000 | $7,033 | +30% | 2.35% |
| 4. | AlphaOne Capital Partners Paul Hondros | 189,560 | $5,128 | -16% | 1.47% |
| 5. | Ardsley Partners Philip Hempleman | 20,000 | $541 | 0.08% |
| 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. | 226,919 | $6,138 | 1.54% | |
| 2. | 71,250 | $1,927 | 1.38% | |
| 3. | 53,553 | $1,449 | 0.7% | |
| 4. | 155,411 | $4,204 | 0.66% | |
| 5. | 498,586 | $13,487 | 0.5% |
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