| 2015-04-06 | Sale | General Motors Company GM | 10 percent owner | 146.78M 8.9333% | $35.61 | $5.23B | -8.94% | |
| 2013-09-10 | Sale | General Motors Company GM | See Remarks | 30M 2.144% | $36.65 | $1.1B | -2.51% | |
| 2010-12-02 | Sale | General Motors Company GM | See Remarks | 4.57M 0.2876% | $32.75 | $149.61M | -11.82% | |
| 2010-11-23 | Sale | General Motors Company GM | See Remarks | 30.45M 1.9998% | $32.75 | $997.42M | -7.52% |