| 2015-03-30 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 17,000 0.0092% | $131.46 | $2.23M | -12.04% | |
| 2015-02-20 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 12,000 0.0064% | $136.18 | $1.63M | -10.98% | |
| 2014-12-24 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 23,828 0.0127% | $136.19 | $3.25M | -6.81% | |
| 2014-11-04 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 14,228 0.0076% | $127.91 | $1.82M | +0.5% | |
| 2014-06-30 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 9,000 0.0047% | $119.87 | $1.08M | +7.45% | |
| 2014-03-31 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 8,000 0.0041% | $109.93 | $879,456 | +13.59% | |
| 2014-03-28 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 58,824 0.03% | $108.55 | $6.39M | +14.74% | |
| 2014-02-24 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 41,000 0.021% | $108.54 | $4.45M | +12.81% | |
| 2013-12-17 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 21,000 0.0106% | $109.00 | $2.29M | +7.86% | |
| 2013-09-30 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 13,000 0.0066% | $91.15 | $1.18M | +23.61% | |
| 2013-09-27 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 7,640 0.0038% | $91.35 | $697,924 | +22.93% | |
| 2013-08-13 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 7,588 0.0038% | $90.30 | $685,196 | +21.36% | |
| 2013-08-09 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 20,000 0.01% | $90.25 | $1.8M | +21.37% | |
| 2013-03-28 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 14,000 0.0067% | $73.64 | $1.03M | +26.19% | |
| 2013-03-06 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 72,136 0.0345% | $70.25 | $5.07M | +29.56% | |
| 2013-02-08 | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 12,001.8 0.0029% | $33.24 | $399,000 | +33.57% | ||
| 2012-08-03 | Sale | Ameriprise Financial, Inc. AMP | Pres., Personal Advisors Group | 83,532 0.0388% | $52.59 | $4.39M | +28.06% |