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Ownership Summary Table
| Name | Sole Voting Power | Shared Voting Power | Sole Dispositive Power | Shared Dispositive Power | Aggregate Amount Owned Power | Percent of Class |
|---|---|---|---|---|---|---|
| Ardsley Advisory Partners | 0 | 1,340,000 | 0 | 1,340,000 | 1,340,000 | 7.4% |
| Philip J. Hempleman | 0 | 1,340,000 | 0 | 1,340,000 | 1,340,000 | 7.4% |
| Ardsley Partners I | 0 | 1,340,000 | 0 | 1,340,000 | 1,340,000 | 7.4% |
| Ardsley Partners Fund II | 0 | 234,100 | 0 | 234,100 | 234,100 | 1.3% |
| Ardsley Partners Institutional Fund | 0 | 294,700 | 0 | 294,700 | 294,700 | 1.6% |
| Ardsley Partners Advanced Healthcare Fund | 0 | 171,200 | 0 | 171,200 | 171,200 | 0.9% |
| Ardsley Partners Renewable Energy Fund | 0 | 640,000 | 0 | 640,000 | 640,000 | 3.5% |
Follow Philip Hempleman's Ardsley Partners
Page 1 of 13 – SEC Filing
UNITED
STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE
13G
Under
the Securities Exchange Act of 1934
American Superconductor
Corporation
(Name of Issuer)
Common Stock
(Title of Class
of Securities)
030111207
(CUSIP Number)
May 5, 2017
(Date of Event
Which Requires Filing of this Statement)
Check the appropriate box to designate
the rule pursuant to which this Schedule is filed:
| x | Rule 13d-1(b) |
| x | Rule 13d-1(c) |
| o | Rule 13d-1(d) |
*The remainder
of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject
class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior
cover page.
The information
required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the
Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall
be subject to all other provisions of the Act (however, see the Notes).
Persons
who are to respond to the collection of information contained in this form are not required to respond unless the form displays
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