Klein Margaret D. reported acquisition or exercise transactions in this Form 4 filing.
AMERICAN SUPERCONDUCTOR CORP director Margaret D. Klein received a grant of 3,116 shares of common stock on April 3, 2026 at $0.00 per share. The award vested immediately and was made under the company’s Amended and Restated 2007 Director Stock Plan.
After this compensation grant, she holds 19,492 shares of common stock directly. This is not an open-market purchase or sale but a stock-based director compensation award.
House Arthur H reported acquisition or exercise transactions in this Form 4 filing.
AMERICAN SUPERCONDUCTOR CORP director Arthur H. House received a stock grant of 3,116 common shares as compensation. The award consisted of immediately vested shares issued at no cash cost to him under the company’s Amended and Restated 2007 Director Stock Plan. Following this grant, he directly holds 51,779 shares of AMERICAN SUPERCONDUCTOR common stock.
Dambier Laura A. reported acquisition or exercise transactions in this Form 4 filing.
American Superconductor (AMSC) director Laura A. Dambier received an equity grant of 3,116 shares of common stock. The shares were awarded at no cash cost to her and vested immediately under the company’s Amended and Restated 2007 Director Stock Plan.
After this grant, she directly holds 18,992 American Superconductor common shares, reflecting routine stock-based compensation for board service rather than an open-market purchase or sale.
The Vanguard Group filed an amendment reporting 0% beneficial ownership of American Superconductor Corp common stock. The filing states that, on January 12, 2026, certain Vanguard subsidiaries were disaggregated for reporting in accordance with SEC Release No. 34-39538 (January 12, 1998), and those entities now report separately.
The amendment lists amount beneficially owned: 0 and percent of class: 0%. The filing is signed by Vanguard's Head of Global Fund Administration on 03/26/2026.
American Superconductor Corp. director David R. Oliver Jr. reported an open-market sale of common stock. On February 24, 2026, he sold 200 shares of American Superconductor common stock at a price of $34.10 per share in a sale classified as an open-market transaction.
According to the filing footnotes, these sales were made by the reporting person for tax planning purposes. After completing the reported transaction, Oliver directly holds 60,707 shares of American Superconductor common stock.
American Superconductor Corporation filed an amended current report to add detailed financial information for its newly acquired Brazilian business, Comtrafo Indústria de Transformadores Elétricos S.A. Comtrafo’s audited 2024 results show revenue of R$ 365,141 thousand and profit of R$ 63,552 thousand, with total assets of R$ 493,431 thousand and shareholders’ equity of R$ 251,702 thousand. The business held cash and cash equivalents of R$ 115,990 thousand and loans and borrowings of R$ 83,951 thousand as of December 31, 2024. The filing also includes unaudited interim results for the nine months ended September 30, 2025, where Comtrafo generated revenue of R$ 276,563 thousand and profit of R$ 10,001 thousand. KPMG issued a qualified opinion on the 2024 financials solely because they omit comparative prior‑period figures. AMSC provides unaudited pro forma condensed consolidated financial statements to illustrate the combined company after the Comtrafo acquisition.
American Superconductor Corporation (AMSC) reported much stronger results for the quarter and nine months ended December 31, 2025, helped by acquisitions and a major tax valuation change. Quarterly revenue rose to $74.5 million from $61.4 million, driving operating income up to $3.4 million from $1.3 million.
For the nine-month period, revenue increased to $212.7 million from $156.2 million, and net income jumped to $129.3 million from $4.8 million, largely due to a non‑cash income tax benefit of $112.1 million from releasing most of the deferred tax valuation allowance. Cash, cash equivalents and restricted cash reached $147.1 million, supported by a public equity offering that generated about $124.5 million in net proceeds.
AMSC closed the $202.7 million Comtrafo acquisition in Brazil and previously completed the $61.4 million NWL acquisition, adding goodwill and intangibles but also new revenue streams in the Grid segment. Shares outstanding were 47,612,285 as of January 30, 2026.
American Superconductor Corporation filed a current report to announce its financial results for the third quarter of its fiscal year 2025, which ended on December 31, 2025. The company released these results through a press release dated February 4, 2026, furnished as Exhibit 99.1.
The press release is provided as supplemental information and is expressly furnished, not filed, meaning it is not subject to certain Exchange Act liabilities and is not automatically incorporated into other securities law filings unless specifically referenced.
The Vanguard Group has filed an amended beneficial ownership report on American Superconductor Corp, disclosing ownership of 3,526,632 shares of common stock, representing 7.4% of the class as of 12/31/2025.
Vanguard reports no sole voting or dispositive power, but shared voting power over 364,254 shares and shared dispositive power over 3,526,632 shares. Vanguard states that its clients, including registered investment companies and other managed accounts, are entitled to dividends and sale proceeds, and that no other single person has an interest in more than 5% of the shares reported.
The filing also notes an internal realignment effective January 12, 2026, after which certain Vanguard subsidiaries or business divisions are expected to report beneficial ownership separately, while pursuing the same investment strategies as before. Vanguard certifies that the shares are held in the ordinary course of business and not for the purpose of changing or influencing control of American Superconductor.
American Superconductor (AMSC) Director reported a purchase of common stock. On 06/18/2019, the reporting person bought 200 shares at $8.33 per share (transaction code P). Following this transaction, the reporting person beneficially owns 60,907 shares, held directly.