| 2010-10-13 | Sale | American Superconductor Corporation AMSC | Chairman and CEO | 15,992 0.0337% | $38.81 | $620,608 | -66.37% | |
| 2010-10-12 | Sale | American Superconductor Corporation AMSC | Chairman and CEO | 165,228 0.3379% | $37.68 | $6.23M | -66.02% | |
| 2010-10-11 | Sale | American Superconductor Corporation AMSC | Chairman and CEO | 71,372 0.1476% | $36.55 | $2.61M | -64.36% | |
| 2010-10-08 | Sale | American Superconductor Corporation AMSC | Chairman and CEO | 73,856 0.1532% | $36.56 | $2.7M | -63.44% | |
| 2010-10-06 | Sale | American Superconductor Corporation AMSC | Chairman and CEO | 57,074 0.1199% | $36.01 | $2.05M | -61.09% | |
| 2010-02-04 | Sale | American Superconductor Corporation AMSC | Chairman and CEO | 7,500 0.0167% | $32.39 | $242,924 | -7.85% | |
| 2010-01-06 | Sale | American Superconductor Corporation AMSC | Chairman and CEO | 125,303 0.279% | $43.18 | $5.41M | -29.62% | |
| 2010-01-05 | Sale | American Superconductor Corporation AMSC | Chairman and CEO | 124,697 0.2761% | $42.60 | $5.31M | -28.97% | |
| 2010-01-04 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 117,025 0.2581% | $42.06 | $4.92M | -28.3% | |
| 2009-12-30 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 7,975 0.0182% | $42.05 | $335,349 | -26.82% | |
| 2009-12-01 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 15,000 0.0337% | $34.47 | $517,062 | -10.96% | |
| 2009-11-02 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 15,000 0.034% | $32.91 | $493,691 | -5.86% | |
| 2009-10-01 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 15,000 0.0339% | $32.08 | $481,162 | -3.91% | |
| 2009-09-01 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 15,000 0.0348% | $31.53 | $473,011 | +0.62% | |
| 2009-07-30 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 12,562 0.028% | $31.73 | $398,585 | -2.13% | |
| 2009-07-27 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 28,438 0.064% | $27.42 | $779,851 | +14.1% | |
| 2009-07-01 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 7,000 0.0162% | $26.80 | $187,590 | +20.2% | |
| 2009-06-24 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 7,000 0.0163% | $25.42 | $177,921 | +25.93% | |
| 2008-06-12 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 17,720 0.0466% | $45.00 | $797,400 | -54.9% | |
| 2008-06-11 | Sale | American Superconductor Corporation AMSC | Chairman, President and CEO | 89,448 0.2199% | $45.00 | $4.03M | -57.81% |