AMERICAN SUPERCONDUCTOR CORP

CUSIP: 030111108 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

Note: Option positions (PUT/CALL) are excluded.

Q4 2014
Shares 382,044 Value ($000) $283 Avg Close — Range —
Q3 2014
Shares 412,529 Value ($000) $582 Avg Close — Range —
Q2 2014
Shares 447,712 Value ($000) $730 Avg Close — Range —
Q1 2014
Shares 447,712 Value ($000) $721 Avg Close — Range —
Q4 2013
Shares 451,690 Value ($000) $741 Avg Close — Range —
Q3 2013
Shares 415,210 Value ($000) $972 Avg Close — Range —
Q2 2013
Shares 419,286 Value ($000) $1,107 Avg Close — Range —