Filing Details

Accession Number:
0000950170-25-079157
Form Type:
4
Zero Holdings:
No
Publication Time:
2025-05-29 17:22:41
Reporting Period:
2025-05-27
Filing Date:
2025-05-29
Accepted Time:
2025-05-29 17:22:41
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
880807 American Superconductor Corp AMSC Motors & Generators (3621) 042959321
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1703463 Jr W John Kosiba C/O American Superconductor Corporation
114 East Main St
Ayer MA 01432
Svp, Cfo & Treasurer No No No No
Transaction Summary
Sold: 50,000 shares Avg. Price: $26.40 Total Value: $1,319,756.80
Number of Shares After Transactions: 414,276 shares
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Disposition 2025-05-27 10,097 $25.55 454,179 No 4 S Direct
Common Stock Disposition 2025-05-27 39,903 $26.61 414,276 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
No 4 S Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 9,719 Indirect By 401(k) plan
Footnotes
  1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024.
  2. The sales were executed in multiple trades at prices ranging from $25.10-$26.00. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected.
  3. The sales were executed in multiple trades at prices ranging from $26.25-$27.10. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected.
  4. Following all the transactions reported on this Form 4, the reporting person holds 414,276 shares directly.
  5. Following all the transactions reported on this Form 4, the reporting person holds 9,719 shares indirectly through the company's 401(k) plan as of May 29, 2025.