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AMERICAN SUPERCONDUCTOR CORP /DE/

For the period ended Mar 31, 2026. Filed May 27, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2026 · Filed May 27, 2026

AMSC$25.47+0.6%Stored close · as of Nov 10, 2026

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Item 15. Exhibits and Financial Statement Schedules

Item 15.EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a) Document filed as part of this Annual Report on Form 10-K:

  1. Financial Statements

The following financial statements of American Superconductor Corporation, supplemental information and report of independent registered public accounting firm required by this item are included in Item 8, “Financial Statements and Supplementary Data,” in this Form 10-K:

Report of Independent Registered Public Accounting Firm47
Consolidated Balance Sheets at March 31, 2026 and 202549
Consolidated Statements of Operations for the fiscal years ended March 31, 2026, 2025 and 202450
Consolidated Statements of Comprehensive Income (Loss) for the fiscal years ended March 31, 2026, 2025 and 202451
Consolidated Statements of Stockholders’ Equity for the fiscal years ended March 31, 2026, 2025 and 202452
Consolidated Statements of Cash Flows for the fiscal years ended March 31, 2026, 2025 and 202453
Notes to the Consolidated Financial Statements54
  1. Financial Statement Schedules

See "Schedule II —Valuation and Qualifying Accounts” for the fiscal years ended March 31, 2026, 2025 and 2024. All other schedules are omitted because they are not applicable, not required or the required information is shown in the consolidated financial statements or notes thereto.

  1. Exhibits Required by Item 601 of Regulation S-K under the Exchange Act.

See (b) Exhibits.

(b) Exhibits

The list of Exhibits filed as a part of this Annual Report on Form 10-K is set forth on the Exhibit Index immediately following Item 16, “Form 10-K Summary*”*, and is incorporated herein by reference.

American Superconductor Corporation

Schedule II — Valuation and Qualifying Accounts

Balance, Beginning of YearAdditionsWrite-offsRecoveries and Other AdjustmentsBalance, End of Year
Allowance for doubtful accounts receivable:
Fiscal year ended March 31, 2026$64132(62)(2)$132
Fiscal year ended March 31, 2025$—803(138)(601)$64
Fiscal year ended March 31, 2024$————$—
Balance, Beginning of YearAdditionsWrite-offsRecoveries and Other AdjustmentsBalance, End of Year
Deferred tax asset valuation allowance:
Fiscal year ended March 31, 2026$171,7266(8,361)(118,365)$45,005
Fiscal year ended March 31, 2025$176,994—(5,265)(3)$171,726
Fiscal year ended March 31, 2024$183,433—(6,440)—$176,994
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.