AMERICAN SUPERCONDUCTOR CORP /DE/ 8-K

What Happened
On May 27, 2026, American Superconductor Corporation (AMSC) announced its financial results for the fourth quarter and full fiscal year ended March 31, 2026. The company furnished a press release with the results as Exhibit 99.1 to the Form 8-K (the press release is furnished, not “filed,” for purposes of Section 18 of the Exchange Act). The filing also includes the Inline XBRL cover page tags as Exhibit 104.

Key Details

• Announcement date: May 27, 2026.
• Reporting periods: fourth quarter and full fiscal year ended March 31, 2026.
• Press release with the results attached as Exhibit 99.1 (furnished).
• Exhibit 104: Cover Page Interactive Data File (Inline XBRL tags embedded).

Why It Matters
Earnings and quarterly results releases provide investors with updated revenue, profit/loss, and cash-position information that can affect the stock and investment decisions. This Form 8-K notifies the market that those results have been released, but does not itself include the financial details — investors should read the attached Exhibit 99.1 press release for the specific revenue, earnings, and any management commentary, and watch for subsequent SEC filings (e.g., 10-K) or investor calls for audited figures and further context.