AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) Shareholder Equity
- 2026-06-30: Common Stock, Value, IssuedUSD $489.00K; Additional Paid in Capital, Common StockUSD $1.49B; Treasury Stock, ValueUSD $3.77M; Accumulated Other Comprehensive Income (Loss), Net of TaxUSD $5.77M.
- 2026-03-31: Common Stock, Value, IssuedUSD $480.00K; Additional Paid in Capital, Common StockUSD $1.48B; Treasury Stock, ValueUSD $3.77M; Accumulated Other Comprehensive Income (Loss), Net of TaxUSD $4.07M.
- 2025-12-31: Common Stock, Value, IssuedUSD $480.00K; Additional Paid in Capital, Common StockUSD $1.48B; Treasury Stock, ValueUSD $3.77M; Accumulated Other Comprehensive Income (Loss), Net of TaxUSD $-4.33M.
- 2025-09-30: Common Stock, Value, IssuedUSD $456.00K; Additional Paid in Capital, Common StockUSD $1.39B; Treasury Stock, ValueUSD $3.77M; Accumulated Other Comprehensive Income (Loss), Net of TaxUSD $1.38M.
AMERICAN SUPERCONDUCTOR CORP /DE/ Shareholder Equity
Filed components and totals, with each concept and unit kept separate. Components can overlap; they are not added together. Missing disclosures remain (m). Original concept pages retain their detailed breakdowns and history.
| Period end | Common Stock, Value, Issued USD | Additional Paid in Capital, Common Stock USD | Treasury Stock, Value USD | Accumulated Other Comprehensive Income (Loss), Net of Tax USD | Retained Earnings (Accumulated Deficit) USD | Stockholders' Equity Attributable to Parent USD | Treasury Stock, Common, Shares shares | Treasury Stock, Value, Acquired, Cost Method USD | APIC, Share-based Payment Arrangement, Increase for Cost Recognition USD | Additional Paid in Capital USD | Treasury Stock, Common, Value USD | Adjustments to Additional Paid in Capital, Stock Split USD | Treasury Stock, Shares shares |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $489.00K | $1.49B | $3.77M | $5.77M | $-917.33M | $572.47M | 403.35K | (m) | 3 month · $5.26M | (m) | (m) | (m) | (m) |
| 2026-03-31 | $480.00K | $1.48B | $3.77M | $4.07M | $-926.82M | $555.45M | 403.35K | (m) | 12 month · $15.87M | (m) | (m) | (m) | (m) |
| 2025-12-31 | $480.00K | $1.48B | $3.77M | $-4.33M | $-931.35M | $536.84M | 403.35K | (m) | 3 month · $3.82M | (m) | (m) | (m) | (m) |
| 2025-09-30 | $456.00K | $1.39B | $3.77M | $1.38M | $-1.05B | $342.18M | 403.35K | (m) | 3 month · $3.77M | (m) | (m) | (m) | (m) |
| 2025-06-30 | $456.00K | $1.39B | $3.77M | $1.38M | $-1.05B | $333.12M | 403.35K | (m) | 3 month · $4.53M | (m) | (m) | (m) | (m) |
| 2025-03-31 | $399.00K | $1.26B | $3.77M | $1.56M | $-1.06B | $197.11M | 403.35K | 12 month · $126.00K | 12 month · $7.79M | (m) | (m) | (m) | (m) |
| 2024-12-31 | $399.00K | $1.26B | $3.77M | $1.66M | $-1.06B | $192.68M | 403.35K | (m) | 3 month · $2.86M | (m) | (m) | (m) | (m) |
| 2024-09-30 | $398.00K | $1.25B | $3.77M | $1.51M | $-1.06B | $187.01M | (m) | (m) | 3 month · $843.00K | (m) | (m) | (m) | (m) |
| 2024-06-30 | $374.00K | $1.21B | $3.77M | $1.60M | $-1.07B | $143.34M | (m) | 3 month · $126.00K | 3 month · $1.23M | (m) | (m) | (m) | (m) |
| 2024-03-31 | $373.00K | $1.21B | $3.64M | $1.58M | $-1.07B | $144.57M | 397.63K | (m) | 12 month · $4.65M | (m) | $3.64M | (m) | (m) |
| 2023-12-31 | $311.00K | $1.15B | $3.64M | $1.53M | $-1.07B | $79.53M | (m) | (m) | 3 month · $1.14M | (m) | (m) | (m) | (m) |
| 2023-09-30 | $307.00K | $1.14B | $3.64M | $1.63M | $-1.06B | $76.89M | (m) | (m) | 3 month · $1.11M | (m) | (m) | (m) | (m) |
| 2023-06-30 | $307.00K | $1.14B | $3.64M | $1.57M | $-1.06B | $77.92M | (m) | (m) | 3 month · $1.36M | (m) | (m) | (m) | (m) |
| 2023-03-31 | $299.00K | $1.14B | $3.64M | $1.57M | $-1.06B | $81.80M | 397.63K | (m) | 12 month · $4.73M | (m) | $3.64M | (m) | (m) |
| 2022-12-31 | $299.00K | $1.14B | $3.64M | $1.60M | $-1.05B | $87.21M | (m) | (m) | 3 month · $1.44M | (m) | (m) | (m) | (m) |
| 2022-09-30 | $293.00K | $1.14B | $3.64M | $1.80M | $-1.04B | $95.38M | (m) | (m) | 3 month · $1.02M | (m) | (m) | (m) | (m) |
| 2022-06-30 | $289.00K | $1.13B | $3.64M | $-228.00K | $-1.03B | $101.91M | (m) | (m) | 3 month · $1.03M | (m) | (m) | (m) | (m) |
| 2022-03-31 | $289.00K | $1.13B | $3.64M | $-291.00K | $-1.02B | $109.39M | 397.63K | 12 month · $46.00K | 12 month · $4.66M | (m) | $3.64M | (m) | 397.63K |
| 2021-12-31 | $289.00K | $1.13B | $3.64M | $-296.00K | $-1.02B | $113.03M | (m) | (m) | 3 month · $1.12M | (m) | (m) | (m) | (m) |
| 2021-09-30 | $288.00K | $1.13B | $3.64M | $-316.00K | $-1.01B | $116.10M | (m) | (m) | 3 month · $1.10M | (m) | (m) | (m) | (m) |
| 2021-06-30 | $287.00K | $1.13B | $3.64M | $-340.00K | $-1.01B | $118.55M | (m) | 3 month · $46.00K | 3 month · $1.29M | (m) | (m) | (m) | (m) |
| 2021-03-31 | $280.00K | $1.12B | $3.59M | $-277.00K | $-1.00B | $116.59M | (m) | 12 month · $927.00K | 12 month · $3.48M | (m) | (m) | (m) | 395.14K |
| 2020-12-31 | $280.00K | $1.12B | $3.59M | $-405.00K | $-993.70M | $122.92M | (m) | 3 month · $257.00K | 3 month · $839.00K | (m) | (m) | (m) | (m) |
| 2020-09-30 | $234.00K | $1.06B | $3.34M | $-262.00K | $-985.76M | $66.42M | (m) | 3 month · $293.00K | 3 month · $849.00K | (m) | (m) | (m) | (m) |
| 2020-06-30 | $234.00K | $1.05B | $3.04M | $-219.00K | $-982.05M | $69.42M | (m) | 3 month · $377.00K | 3 month · $909.00K | (m) | (m) | (m) | (m) |
| 2020-03-31 | $229.00K | $1.05B | $2.67M | $-216.00K | $-978.63M | $72.22M | (m) | 12 month · $565.00K | 12 month · $1.92M | (m) | (m) | (m) | 297.88K |
| 2019-12-31 | $228.00K | $1.05B | $2.67M | $-247.00K | $-972.75M | $77.19M | (m) | 3 month · $60.00K | 3 month · $590.00K | (m) | (m) | (m) | (m) |
| 2019-09-30 | $218.00K | $1.05B | $2.61M | $-856.00K | $-965.90M | $76.69M | (m) | 3 month · $222.00K 6 month · $505.00K | 3 month · $397.00K 6 month · $646.00K | (m) | (m) | (m) | (m) |
| 2019-06-30 | $218.00K | $1.05B | $2.38M | $413.00K | $-965.08M | $78.41M | (m) | 3 month · $283.00K | 3 month · $249.00K | (m) | (m) | (m) | (m) |
| 2019-03-31 | $216.00K | $1.04B | $2.10M | $-5.00K | $-961.54M | $81.19M | (m) | 12 month · $456.00K | 12 month · $3.03M | (m) | (m) | (m) | 235.52K |
| 2018-12-31 | $217.00K | $1.04B | $2.10M | $-65.00K | $-953.19M | $88.68M | (m) | 3 month · $60.00K | 3 month · $792.00K | (m) | (m) | (m) | (m) |
| 2018-09-30 | $216.00K | $1.04B | $2.04M | $-11.00K | $-970.48M | $70.65M | (m) | 3 month · $157.00K 6 month · $396.00K | 3 month · $825.00K 6 month · $1.61M | (m) | (m) | (m) | (m) |
| 2018-06-30 | $214.00K | $1.04B | $1.88M | $667.00K | $-993.04M | $47.94M | (m) | 3 month · $239.00K | 3 month · $785.00K | (m) | (m) | (m) | (m) |
| 2018-04-01 | (m) | (m) | (m) | (m) | $-988.37M | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2018-03-31 | $211.00K | $1.04B | $1.65M | $883.00K | $-988.33M | $52.23M | (m) | 12 month · $274.00K | 12 month · $2.69M | (m) | (m) | (m) | 165.09K |
| 2017-12-31 | $211.00K | $1.04B | $1.65M | $770.00K | $-982.34M | $57.34M | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2017-09-30 | $211.00K | $1.04B | $1.65M | $718.00K | $-978.09M | $60.65M | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2017-06-30 | $193.00K | $1.04B | $1.65M | $317.00K | $-970.81M | $63.32M | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2017-03-31 | $147.00K | $1.02B | $1.37M | $-503.00K | $-955.56M | $60.23M | (m) | 12 month · $490.00K | 12 month · $2.89M | (m) | (m) | (m) | 97.53K |
| 2016-12-31 | $143.00K | $1.01B | $1.37M | $-712.00K | $-948.63M | $63.79M | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2016-09-30 | $143.00K | $1.01B | $1.37M | $119.00K | $-945.86M | $66.70M | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2016-06-30 | $143.00K | $1.01B | $1.34M | $8.00K | $-938.54M | $73.19M | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2016-03-31 | $141.00K | $1.01B | $881.00K | $660.00K | $-928.18M | $83.55M | (m) | 12 month · $110.00K | 12 month · $3.25M | (m) | (m) | (m) | 51.51K |
| 2015-12-31 | $141.00K | $1.01B | $881.00K | $-425.00K | $-924.82M | $85.03M | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2015-09-30 | $141.00K | $1.01B | $881.00K | $10.00K | $-921.86M | $87.63M | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2015-06-30 | $140.00K | $1.01B | $869.00K | $122.00K | $-914.17M | $94.62M | (m) | (m) | 3 month · $1.13M | (m) | (m) | (m) | (m) |
| 2015-03-31 | $96.00K | $985.92M | $771.00K | $-308.00K | $-905.04M | $79.89M | (m) | 12 month · $401.00K | 12 month · $5.94M | (m) | (m) | 12 month · $1.00K | 34.07K |
| 2014-12-31 | $961.00K | $983.41M | $771.00K | $560.00K | $-901.68M | $82.47M | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2014-09-30 | $860.00K | (m) | $771.00K | $749.00K | $-895.33M | $81.34M | (m) | (m) | (m) | $975.83M | (m) | (m) | (m) |
| 2014-06-30 | $816.00K | (m) | $739.00K | $1.74M | $-869.91M | $102.46M | (m) | (m) | 3 month · $1.58M | $970.55M | (m) | (m) | (m) |
| 2014-03-31 | $79.00K | $967.10M | $370.00K | $1.84M | $-856.39M | $112.26M | (m) | 12 month · $57.00K | 12 month · $10.70M | $966.39M | (m) | (m) | 5.71K |
| 2013-12-31 | $673.00K | (m) | $370.00K | $2.13M | $-833.68M | $111.21M | (m) | (m) | (m) | $942.47M | (m) | (m) | (m) |
| 2013-09-30 | $640.00K | (m) | $370.00K | $1.77M | $-825.27M | $112.86M | (m) | (m) | (m) | $936.09M | (m) | (m) | (m) |
| 2013-06-30 | $610.00K | (m) | $370.00K | $1.08M | $-810.64M | $118.48M | (m) | (m) | (m) | $927.81M | (m) | (m) | (m) |
| 2013-03-31 | $603.00K | (m) | $313.00K | $1.11M | $-800.13M | $125.12M | (m) | 12 month · $42.00K | 12 month · $8.14M | $923.85M | (m) | (m) | 34.45K |
| 2012-12-31 | $567.00K | (m) | $313.00K | $1.81M | $-780.36M | $134.81M | (m) | (m) | (m) | $913.11M | (m) | (m) | (m) |
| 2012-09-30 | $531.00K | (m) | $307.00K | $1.30M | $-760.22M | $144.78M | (m) | (m) | (m) | $903.49M | (m) | (m) | (m) |
| 2012-06-30 | $522.00K | (m) | $307.00K | $863.00K | $-744.27M | $156.41M | (m) | (m) | (m) | $899.61M | (m) | (m) | (m) |
| 2012-03-31 | $520.00K | (m) | $271.00K | $2.03M | $-734.00M | $164.88M | (m) | (m) | 12 month · $9.86M | $896.60M | (m) | (m) | 23.86K |
| 2011-12-31 | $515.00K | (m) | $271.00K | $1.52M | $-712.83M | $183.06M | (m) | (m) | (m) | $894.13M | (m) | (m) | (m) |
| 2011-09-30 | $515.00K | (m) | $271.00K | $2.70M | $-686.56M | $208.23M | (m) | (m) | (m) | $891.85M | (m) | (m) | (m) |
| 2011-06-30 | $509.00K | (m) | $271.00K | $4.96M | $-634.85M | $259.74M | (m) | (m) | (m) | $889.39M | (m) | (m) | (m) |
| 2011-03-31 | $507.00K | (m) | (m) | $3.82M | $-597.17M | $292.86M | (m) | (m) | 12 month · $13.41M | $885.70M | (m) | (m) | (m) |
| 2010-12-31 | $507.00K | (m) | (m) | $-7.91M | $-375.73M | $499.97M | (m) | (m) | (m) | $883.10M | (m) | (m) | (m) |
| 2010-09-30 | $456.00K | (m) | (m) | $-1.56M | $-391.73M | $325.58M | (m) | (m) | (m) | $718.41M | (m) | (m) | (m) |
| 2010-06-30 | $455.00K | (m) | (m) | $-19.51M | $-401.72M | $285.96M | (m) | (m) | (m) | $706.74M | (m) | (m) | (m) |
| 2010-03-31 | $448.00K | (m) | (m) | $-7.01M | $-410.89M | $280.96M | (m) | (m) | 12 month · $13.49M | $698.42M | (m) | (m) | (m) |
| 2009-12-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | 9 month · $-10.44M | (m) | (m) | (m) | (m) |
| 2009-03-31 | (m) | (m) | (m) | (m) | (m) | $221.86M | (m) | (m) | 12 month · $9.67M | (m) | (m) | (m) | (m) |
| 2008-03-31 | (m) | (m) | (m) | (m) | (m) | $208.45M | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
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