AMERICAN SUPERCONDUCTOR CORP /DE/ Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) had Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of 1.89 million shares as of 2026-03-31, per its 10-K filed 2026-05-27.
Financial Statements › Notes › Share-Based Payment Arrangement, Disclosure
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber · last filed 2026-05-27
- 2026-03-31: Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 1.89M shares.
- 2025-03-31: Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 1.79M shares.
- 2024-03-31: Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 1.43M shares.
- 2023-03-31: Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 1.48M shares.
| Period end | Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number as first filed |
|---|---|---|
| 2026-03-31 | 1.89M shares 10-K · filed 2026-05-27 | |
| 2025-03-31 | 1.79M shares 10-K · filed 2026-05-27 | |
| 2024-03-31 | 1.43M shares 10-K · filed 2025-05-21 | |
| 2023-03-31 | 1.48M shares 10-K · filed 2024-05-29 | |
| 2022-03-31 | 1.10M shares 10-K · filed 2023-05-31 | 1.11M shares 10-K · filed 2022-06-01 |
| 2021-03-31 | 1.05M shares 10-K · filed 2022-06-01 | |
| 2020-03-31 | 982.25K shares 10-K · filed 2021-06-02 | |
| 2019-03-31 | 953.95K shares 10-K · filed 2020-06-02 | |
| 2018-03-31 | 896.49K shares 10-K · filed 2019-06-05 | |
| 2017-03-31 | 424.93K shares 10-K · filed 2018-06-06 | |
| 2016-03-31 | 482.84K shares 10-K · filed 2017-05-25 | |
| 2015-03-31 | 340.59K shares 10-K · filed 2016-05-31 | |
| 2014-03-31 | 241.54K shares 10-K · filed 2015-05-28 | 2.42M shares 10-K · filed 2014-06-05 |
| 2013-03-31 | 2.40M shares 10-K · filed 2014-06-05 | |
| 2012-03-31 | 929.49K shares 10-K · filed 2013-06-14 | |
| 2011-03-31 | 626.53K shares 10-K · filed 2012-06-06 |
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