Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001086364-12-001923
Filing Date
2012-02-13
Accepted
2012-02-13 14:47:18
Documents
1

Document Format Files

Seq Description Document Type Size
1 american.superconductor.corp.txt SC 13G/A 11324
  Complete submission text file 0001086364-12-001923.txt   13026
Mailing Address SIXTY FOUR JACKSON ROAD DEVENS MA 01434
Business Address SIXTY FOUR JACKSON ROAD DEVENS MA 01434 9788423000
AMERICAN SUPERCONDUCTOR CORP /DE/ (Subject) CIK: 0000880807 (see all company filings)

EIN.: 042959321 | State of Incorp.: DE | Fiscal Year End: 0331
Type: SC 13G/A | Act: 34 | File No.: 005-41994 | Film No.: 12598170
SIC: 3621 Motors & Generators

Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055
Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

EIN.: 320174431 | State of Incorp.: DE | Fiscal Year End: 0226
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies