| 2015-11-30 | Artisan Partners Asset Management Inc. APAM | director | 2,156.76 0.0049% | $38.95 | $84,000 | -22.95% | ||
| 2015-08-17 | Artisan Partners Asset Management Inc. APAM | director | 28,394 0.0676% | $46.30 | $1.31M | -27.55% | ||
| 2015-08-14 | Artisan Partners Asset Management Inc. APAM | director | 40,446 0.0966% | $46.89 | $1.9M | -27.85% | ||
| 2015-08-13 | Artisan Partners Asset Management Inc. APAM | director | 31,160 0.0744% | $45.97 | $1.43M | -26.25% | ||
| 2013-03-12 | Artisan Partners Asset Management Inc. APAM | director | 40,000 0.2033% | $30.00 | $1.2M | +41.78% |