| 2014-11-07 | Sale | Piper Sandler Companies PIPR | director | 7,000 0.0561% | $57.05 | $399,330 | -15.1% | |
| 2007-11-14 | Piper Sandler Companies PIPR | director | 10,000 0.076% | $46.30 | $463,000 | -17.29% | ||
| 2007-08-01 | Piper Sandler Companies PIPR | director | 2,500 0.0192% | $47.09 | $117,725 | -10.29% |