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American Superconductor Corp

AMSC Real Time Price USD
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Overview
Financials
Forecast
Insiders
Institutions
Compensation
Government
Ownership
News

Chart provided by TradingView

AMSC historical prices
Income
Balance Sheet
Cash Flow
Revenue Breakdown
Congress Trading

Recent trades of AMSC by members of U.S. Congress

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No Congress Trading data for this ticker

Congress Trading Dashboard
AMSC Stock Insider Trading Activity Follow @QuiverQuant for major insider updates

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Closing Price
Purchase
Sale
Name
Type
Shares
Price
Shares Held
Date
Reported
AMSC Stock Institutional Owners
Investor
Shares
Change in Shares
Market Value
Date
Reported
AMSC Derivatives Institutional Owners
Investor
Type
Shares
Change in Shares
Market Value
Date
Reported
Whale Activity

Recently reported changes in AMSC holdings by institutional investors

Insider Trading

Quarterly net insider trading by AMSC's directors and management

* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.

About

Backtest Start Date
CAGR (Total)
Return (30d)
Return (1Y)
View Strategy Copytrade Strategy
  • 1M
  • 3M
  • 6M
  • YTD
  • 1Y
  • 2Y
  • 5Y
  • MAX

About

Backtest Start Date

Key Metrics

Return (1d)

Return (30d)

Return (1Y)

CAGR (Total)

Max Drawdown

Beta

Alpha

Sharpe Ratio

Win Rate

Average Win

Average Loss

Annual Volatility

Annual Std Dev

Information Ratio

Treynor Ratio

Total Trades

Show More
Metrics Definitions

Disclaimer: The performance results shown are based on historical backtesting and are hypothetical in nature. Backtested performance does not represent actual trading and does not account for all market factors that may affect execution, such as liquidity, slippage, and changing market conditions. Past performance is not necessarily indicative of future results. There is no guarantee that any trading strategy will be profitable or avoid losses.

  • Alpha

    Measures a portfolio's risk-adjusted performance against that of its benchmark

    Learn More about Alpha
  • Annual Standard Deviation

    Measures how much the portfolio's total return varies from its mean or average.

    Learn More about Annual Standard Deviation
  • Annual Volatility

    A statistical measure of the dispersion of returns for the portfolio.

    Learn More about Annual Volatility
  • Average Win

    The average return (%) for trades that resulted in a positive return.

  • Average Loss

    The average return (%) for trades that resulted in a negative return.

  • Beta

    A measure of the volatility of the portfolio compared to the market as a whole.

    Learn More about Beta
  • CAGR

    CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.

    Learn More about CAGR
  • Information Ratio

    A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.

    Learn More about Information Ratio
  • Max Drawdown

    the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.

    Learn More about Max Drawdown
  • Sharpe Ratio

    The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.

    Learn More about Sharpe Ratio
  • Total Trades

    The total number of trades made by this strategy.

  • Treynor Ratio

    Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.

    Learn More about Treynor Ratio
  • Win Rate

    The percentage of total trades that resulted in a positive return.

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See Pricing
schema-2
Corporate Lobbying

Government lobbying spending instances

  • $30,000 Oct 22, 2018 Issue: Trade (domestic/foreign) Financial Institutions/Investments/Securities Defense Budget/Appropriations
  • $10,000 Oct 22, 2018 Issue: Budget/Appropriations Trade (domestic/foreign)
  • $70,000 Jul 20, 2018 Issue: Financial Institutions/Investments/Securities Budget/Appropriations Trade (domestic/foreign) Defense
  • $50,000 Jul 20, 2018 Issue: Trade (domestic/foreign) Budget/Appropriations
  • $40,000 Apr 23, 2018 Issue: Trade (domestic/foreign) Financial Institutions/Investments/Securities Defense Budget/Appropriations
  • $20,000 Apr 20, 2018 Issue: Trade (domestic/foreign) Budget/Appropriations
  • $10,000 Jan 22, 2018 Issue: Trade (domestic/foreign)
  • $30,000 Jan 22, 2018 Issue: Financial Institutions/Investments/Securities Defense Trade (domestic/foreign)
  • $20,000 Oct 17, 2017 Issue: Financial Institutions/Investments/Securities Defense
  • $20,000 Jul 18, 2017 Issue: Defense Financial Institutions/Investments/Securities
  • $20,000 Apr 20, 2017 Issue: Defense Financial Institutions/Investments/Securities
  • $20,000 Jan 18, 2017 Issue: Defense Financial Institutions/Investments/Securities
  • $20,000 Oct 18, 2016 Issue: Defense Financial Institutions/Investments/Securities
  • $10,000 Jul 20, 2016 Issue: Taxation/Internal Revenue Code
  • $30,000 Jul 18, 2016 Issue: Defense Financial Institutions/Investments/Securities Taxation/Internal Revenue Code
  • $10,000 Apr 20, 2016 Issue: Taxation/Internal Revenue Code
  • $30,000 Apr 19, 2016 Issue: Defense Financial Institutions/Investments/Securities Taxation/Internal Revenue Code
  • $10,000 Jan 20, 2016 Issue: Taxation/Internal Revenue Code
  • $30,000 Jan 15, 2016 Issue: Defense Financial Institutions/Investments/Securities Taxation/Internal Revenue Code
  • $10,000 Oct 20, 2015 Issue: Taxation/Internal Revenue Code
  • $10,000 Oct 20, 2015 Issue: Taxation/Internal Revenue Code
  • $30,000 Oct 15, 2015 Issue: Financial Institutions/Investments/Securities Defense Taxation/Internal Revenue Code
  • $30,000 Jul 15, 2015 Issue: Financial Institutions/Investments/Securities Defense Taxation/Internal Revenue Code
  • $30,000 Apr 20, 2015 Issue: Defense Financial Institutions/Investments/Securities Taxation/Internal Revenue Code
  • $10,000 Apr 19, 2015 Issue: Taxation/Internal Revenue Code
  • $30,000 Jan 19, 2015 Issue: Defense Taxation/Internal Revenue Code
  • $10,000 Jan 13, 2015 Issue: Taxation/Internal Revenue Code
  • $30,000 Oct 20, 2014 Issue: Defense Taxation/Internal Revenue Code
  • $10,000 Oct 18, 2014 Issue: Taxation/Internal Revenue Code
  • $30,000 Jul 20, 2014 Issue: Taxation/Internal Revenue Code Defense
  • $10,000 Jul 19, 2014 Issue: Taxation/Internal Revenue Code
  • $30,000 Apr 21, 2014 Issue: Defense Taxation/Internal Revenue Code
  • $10,000 Apr 20, 2014 Issue: Taxation/Internal Revenue Code
  • $10,000 Jan 20, 2014 Issue: Taxation/Internal Revenue Code
  • $30,000 Jan 20, 2014 Issue: Defense Taxation/Internal Revenue Code
  • $10,000 Oct 20, 2013 Issue: Taxation/Internal Revenue Code
  • $30,000 Oct 17, 2013 Issue: Taxation/Internal Revenue Code Defense
  • $30,000 Jul 22, 2013 Issue: Taxation/Internal Revenue Code Defense
  • $10,000 Jul 21, 2013 Issue: Taxation/Internal Revenue Code
  • $10,000 Apr 22, 2013 Issue: Taxation/Internal Revenue Code
  • $30,000 Apr 22, 2013 Issue: Defense Taxation/Internal Revenue Code
  • $30,000 Jan 22, 2013 Issue: Defense Taxation/Internal Revenue Code
  • $20,000 Jan 18, 2013 Issue: Taxation/Internal Revenue Code
  • $20,000 Oct 22, 2012 Issue: Defense
  • $30,000 Jul 20, 2012 Issue: Defense
  • $30,000 Apr 27, 2012 Issue: Defense
  • $40,000 Jan 24, 2012 Issue: Energy/Nuclear Taxation/Internal Revenue Code Defense
  • $40,000 Nov 15, 2011 Issue: Taxation/Internal Revenue Code Defense Energy/Nuclear
  • $40,000 Jul 28, 2011 Issue: Defense Taxation/Internal Revenue Code Energy/Nuclear
  • $70,000 Apr 19, 2011 Issue: Defense Taxation/Internal Revenue Code Energy/Nuclear
  • $70,000 Jan 20, 2011 Issue: Defense Taxation/Internal Revenue Code Energy/Nuclear
  • $80,000 Dec 14, 2010 Issue: Taxation/Internal Revenue Code Energy/Nuclear Defense
  • $80,000 Oct 20, 2010 Issue: Energy/Nuclear Defense Taxation/Internal Revenue Code
  • $110,000 May 04, 2010 Issue: Energy/Nuclear Defense Taxation/Internal Revenue Code
  • $120,000 Jan 21, 2010 Issue: Energy/Nuclear Taxation/Internal Revenue Code Defense
  • $5,000 Jan 15, 2010 Issue: Energy/Nuclear
  • $110,000 Oct 20, 2009 Issue: Taxation/Internal Revenue Code Defense Energy/Nuclear
  • $10,000 Oct 19, 2009 Issue: Energy/Nuclear
  • $15,000 Jul 20, 2009 Issue: Energy/Nuclear
  • $130,000 Jul 17, 2009 Issue: Energy/Nuclear Taxation/Internal Revenue Code Defense
  • $70,000 Apr 20, 2009 Issue: Defense
  • $70,000 Jan 21, 2009 Issue: Defense
  • $20,000 Aug 10, 2005 Issue: Utilities Energy/Nuclear
  • $20,000 Feb 14, 2005 Issue: Energy/Nuclear Utilities
Revolving Door

Former government officials who have lobbied for AMSC

11 former government officials from 6 congressional offices at 3 lobbying firms have lobbied for AMSC, most recently Jul 21, 2025.

  • Bill Foster
    Vivian Bridges House New Intern, Rep Bill Foster; Law Clerk, Sen Jon Ossoff/Sen Judiciary Cmte Formerly with Bill Foster · K&L GATES, LLP · Jul 21, 2025
  • Charles E. Schumer
    Jasper Noble Senate New Intern, Sen. Chuck Schumer; Law Clerk, Sen. Richard Blumenthal/Sen Judiciary Cmte; Law Clerk, Sen. Jon Ossoff/Sen. Judiciary Cmte; Law Clerk, Sen Finance Cmte Formerly with Charles E. Schumer · K&L GATES, LLP · Jul 21, 2025
  • Charles E. Schumer
    Scott Gelbman Senate New Staff Assistant/Legislative Correspondent/Legislative Assistant, Senator Chuck Schumer Formerly with Charles E. Schumer · K&L GATES, LLP · Apr 20, 2024
  • Christopher Murphy
    Sarah Swanson Senate New Intern, Senator Chris Murphy; Intern/Staff Assistant/Executive Assistant, Senator Tom Carper Formerly with Christopher Murphy · K&L GATES, LLP · Apr 20, 2024
  • Thomas MacArthur
    Ryan Carney House New Chief of Staff, Rep. Tom MacArthur; Chief of Staff, Rep. Bryan Steil; Staff Director, House Select Committee on Economic Disparity and Fairness in Growth; Senior Advisor, Committee on House Administration Formerly with Thomas MacArthur · K&L GATES, LLP · Jan 18, 2024
  • Jimmy Panetta
    Matthew Manning House New Legislative Director, Congressman Jimmy Panetta; Military Legislative Assistant, Congressman Brad Ashford; Legislative Aid, Senator Mark Udall Formerly with Jimmy Panetta · K&L GATES, LLP · Jul 19, 2022
  • Andrew Tabler Congress New Research Assistant, House Armed Services Committee; Deputy Assistant Secretary of Defense for Senate Affairs Formerly Research Assistant, House Armed Services Committee; Deputy Assistant Secretary o · K&L GATES, LLP · Jul 19, 2022
  • Phil Gramm
    Dennis Potter Senate New Staff Asst/LC, Senator Gramm Formerly with Phil Gramm · K&L GATES, LLP · Jul 20, 2018
See all 11 on the Revolving Door dashboard
Corporate Lobbying

AMSC Estimated quarterly lobbying spending

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No Corporate Lobbying data for this ticker

Corporate Lobbying Dashboard
Revenue Breakdown

AMSC Revenue by Segment or Geography

By Segment
By Geography
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No Revenue by Segment data for this ticker

Revenue Breakdown Dashboard
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No Revenue by Geography data for this ticker

Revenue Breakdown Dashboard
AMSC Income Statement
AMSC Balance Sheet
AMSC Cash Flow
U.S. Patents

New AMSC patent grants

  • Patent Title: Electro-formed metal foils May. 19, 2026
  • Patent Title: Electro-formed metal foils Jul. 23, 2024
  • Patent Title: Electrical power system for a watercraft Oct. 24, 2023
  • Patent Title: High temperature superconducting wires having increased engineering current densities May. 23, 2023
  • Patent Title: Load re-balancing on a multi-phase power system Nov. 22, 2022
  • Patent Title: Roll-to-roll apparatus for processing metal tapes with a ceramic coating Jul. 19, 2022
  • Patent Title: High temperature superconductor wire bundling system and method Feb. 06, 2018
  • Patent Title: Electricity transmission cooling system May. 16, 2017
  • Patent Title: Electricity transmission cooling system May. 09, 2017
  • Patent Title: Reducing photovoltaic array voltage during inverter re-enablement Oct. 27, 2015
  • Patent Title: Electricity transmission cooling system May. 19, 2015
  • Patent Title: Reduced-loss bucking bundle low voltage cable Apr. 21, 2015
  • Patent Title: Fault current limiting hts cable and method of configuring same Nov. 11, 2014
  • Patent Title: Wide electrical conductor having high c-axis strength Jul. 29, 2014
  • Patent Title: Interface device for a high temperature superconductor degaussing system junction box May. 20, 2014
  • Patent Title: Mitigating the effects of defects in high temperature semiconductor wires Mar. 25, 2014
  • Patent Title: Thyristor gate pulses in static var compensator Jan. 14, 2014
  • Patent Title: Parallel connected hts utility device and method of using same Sep. 10, 2013
  • Patent Title: System for quick disconnect termination or connection for cryogenic transfer lines with simultaneous electrical connection Aug. 27, 2013
  • Patent Title: Superconducting cable assembly and method of assembly Jul. 02, 2013
  • Patent Title: Thick oxide film by single coating Apr. 23, 2013
  • Patent Title: Thick superconductor films with improved performance Jan. 15, 2013
  • Patent Title: Generator with ferromagnetic teeth Nov. 27, 2012
  • Patent Title: Electricity transmission cooling system Oct. 02, 2012
  • Patent Title: Low resistance splice for high temperature superconductor wires Sep. 11, 2012
  • Patent Title: Centralized power conditioning Aug. 21, 2012
  • Patent Title: Two-sided splice for high temperature superconductor laminated wires Jun. 05, 2012
  • Patent Title: Power electronic assembly with slotted heatsink May. 29, 2012
  • Patent Title: Mesh-type stabilizer for filamentary coated superconductors Mar. 27, 2012
  • Patent Title: Power converter with dual ring network control Feb. 21, 2012
  • Patent Title: Low voltage ride through Feb. 21, 2012
  • Patent Title: Composite substrates for high temperature superconductors having improved properties Feb. 14, 2012
  • Patent Title: High-current, compact flexible conductors containing high temperature superconducting tapes Oct. 25, 2011
  • Patent Title: Torque limiting coupling for wind turbine Oct. 11, 2011
  • Patent Title: Low resistance splice for high temperature superconductor wires Oct. 04, 2011
  • Patent Title: Power conversion systems Aug. 02, 2011
  • Patent Title: Static var corrector May. 10, 2011
  • Patent Title: Precursor solutions and methods of using same May. 10, 2011
  • Patent Title: Fault current limiting hts cable and method of configuring same Mar. 08, 2011
  • Patent Title: High temperature superconductors having planar magnetic flux pinning centers and methods for making the same Mar. 08, 2011
  • Patent Title: Systems and methods for solution-based deposition of metallic cap layers for high temperature superconductor wires Feb. 22, 2011
  • Patent Title: Torque support member for rotating electrical machine Nov. 16, 2010
  • Patent Title: Architecture for high temperature superconductor wire Oct. 19, 2010
  • Patent Title: Superconducting machine stator Aug. 31, 2010
  • Patent Title: High temperature superconducting wires and coils Aug. 24, 2010
  • Patent Title: Power system having a voltage regulator with a notch filter Aug. 17, 2010
  • Patent Title: Mesh-type stabilizer for filamentary coated superconductors Jul. 27, 2010
  • Patent Title: Parallel hts transformer device May. 25, 2010
  • Patent Title: Voltage regulation of a utility power network Mar. 30, 2010
  • Patent Title: Fabrication of sealed high temperature superconductor wires Mar. 09, 2010
Government Contracts

Federal grants, loans, and purchases

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No Government Contracts for this ticker

Government Contracts Dashboard
Government Contracts

Estimated quarterly amount awarded to AMSC from public contracts

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No recent Government Contracts for this ticker

Government Contracts Dashboard
AMSC News

Recent insights relating to AMSC

CNBC Recommendations

Recent picks made for AMSC stock on CNBC

Top ETF Holders

ETFs with the largest estimated holdings in AMSC

AMSC Analyst Ratings

AMSC Stock Forecasts
...

  • ... Highest Price Target
  • ... Median Price Target
  • ... Lowest Price Target
AMSC Analyst Forecasts
Analyst
Firm
Current
Previous
Date
Frequently Asked Questions
  • Is $AMSC stock a Buy, Sell, or Hold?

  • What is the price target for $AMSC stock?

* Analyst consensus is not financial advice. Please see our data disclaimers .

AMSC Top Shareholders
Shareholder
Shares Held
AMSC Options Owners
Shareholder
Security
Underlying Shares
Frequently Asked Questions
  • Who owns $AMSC stock?

  • Who owns the most shares of $AMSC stock?

  • What funds own $AMSC stock?

* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.

AMSC Stock Smart Score

The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.

The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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Score Breakdown
Bull Case vs Bear Case

See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.

Example:

Bulls Say:

The Bulls Say summary highlights positive aspects of the stock.

Bears Say:

The Bears Say summary points out potential risks and negative aspects of the stock.

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About AMSC

American Superconductor Corp generates the ideas, technologies, and solutions that meet the world's demand for smarter, cleaner, and energy. Through its Windtec Solutions, the company enables manufacturers to launch wind turbines quickly, effectively, and profitably. Through its Gridtec Solutions, the company provides engineering planning services and grid systems that optimize network reliability, efficiency, and performance. The company's segment includes Grid and Wind. It generates maximum revenue from the Grid segment.

  • Address Devens, MA
  • Market Cap 1.5 billion
  • Employees 1,195
  • Industrial Classification Motors & Generators

American Superconductor Corp (AMSC) Historical Stock Prices

American Superconductor Corp (AMSC) closed at $30.01 on September 25, 2026. Over the past year its adjusted close ranged from $25.95 to $66.68. Daily prices go back to January 2, 2014, 3,202 trading days in all.

  • 1 month+1.76%
  • 3 months-24.47%
  • Year to date+4.27%
  • 1 year-48.22%
  • 3 years+312.23%
  • 5 years+119.53%
  • Max+72.47%
See every congressional and insider trade on the AMSC price chart

Quiver Premium charts AMSC's full daily history since 2014 with each congressional purchase and sale and every open-market insider purchase marked on the price line, with hover details for each trade.

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Last 12 months, newest first

Access Raw Data Daily prices since 2014 for every ticker, through the Quiver API
DateOpenHighLowCloseAdj. CloseVolume
Sep 25, 2026 30.89 31.06 29.96 30.01 30.01 677,410
Sep 24, 2026 30.22 30.74 29.69 30.42 30.42 700,760
Sep 23, 2026 32.01 32.13 30.78 31.05 31.05 879,312
Sep 22, 2026 30.29 31.55 30.04 31.24 31.24 922,726
Sep 21, 2026 31.00 31.00 30.12 30.24 30.24 571,590
Sep 18, 2026 29.23 30.34 28.85 30.19 30.19 993,573
Sep 17, 2026 29.14 29.50 28.77 29.15 29.15 650,127
Sep 16, 2026 28.26 28.27 27.26 27.81 27.81 733,886
Sep 15, 2026 27.69 27.99 27.28 27.70 27.70 724,083
Sep 14, 2026 27.62 28.18 27.20 27.28 27.28 890,508
Sep 11, 2026 29.32 29.66 28.97 29.53 29.53 394,555
Sep 10, 2026 28.46 29.16 28.08 28.66 28.66 555,746
Sep 9, 2026 30.14 30.65 29.28 29.31 29.31 902,091
Sep 8, 2026 30.00 31.00 29.90 30.44 30.44 855,403
Sep 4, 2026 29.15 29.70 28.94 29.55 29.55 469,683
Sep 3, 2026 28.40 29.23 28.27 29.01 29.01 446,115
Sep 2, 2026 28.57 28.99 28.02 28.49 28.49 596,989
Sep 1, 2026 28.10 28.68 27.51 28.56 28.56 809,993
Aug 31, 2026 28.38 28.81 28.10 28.71 28.71 755,346
Aug 28, 2026 29.83 29.93 28.30 28.49 28.49 666,368
Aug 27, 2026 30.48 30.49 29.30 29.84 29.84 542,126
Aug 26, 2026 29.76 30.18 28.91 29.49 29.49 588,076
Aug 25, 2026 29.83 29.95 29.36 29.65 29.65 441,321
Aug 24, 2026 29.08 29.59 28.09 28.92 28.92 1,119,731
Aug 21, 2026 30.51 30.64 29.42 30.01 30.01 738,844
Aug 20, 2026 30.98 31.16 29.72 30.05 30.05 517,066
Aug 19, 2026 30.80 31.34 29.80 31.16 31.16 535,698
Aug 18, 2026 30.80 31.41 30.35 31.02 31.02 619,396
Aug 17, 2026 32.01 32.25 31.82 32.13 32.13 550,525
Aug 14, 2026 31.99 32.75 31.59 31.92 31.92 535,003
Aug 13, 2026 32.01 32.78 31.34 31.51 31.51 521,147
Aug 12, 2026 33.30 33.89 32.23 32.28 32.28 533,166
Aug 11, 2026 31.64 32.56 31.55 32.13 32.13 526,606
Aug 10, 2026 32.80 32.99 30.96 30.99 30.99 571,780
Aug 7, 2026 34.00 34.24 31.27 32.77 32.77 870,106
Aug 6, 2026 29.64 33.93 28.50 32.90 32.90 1,139,075
Aug 5, 2026 33.25 33.62 32.62 32.94 32.94 1,056,253
Aug 4, 2026 32.10 33.82 31.54 33.45 33.45 859,687
Aug 3, 2026 29.20 31.09 28.87 30.99 30.99 665,831
Jul 31, 2026 30.74 31.13 29.15 29.37 29.37 661,262
Jul 30, 2026 28.59 29.73 28.07 29.45 29.45 768,229
Jul 29, 2026 28.35 28.78 26.34 26.64 26.64 1,139,052
Jul 28, 2026 29.76 29.76 27.91 28.75 28.75 1,083,166
Jul 27, 2026 31.00 31.28 29.19 30.53 30.53 1,381,786
Jul 24, 2026 32.96 32.96 30.20 30.52 30.52 1,120,888
Jul 23, 2026 32.81 33.92 32.23 33.00 33.00 884,879
Jul 22, 2026 34.55 34.99 33.20 33.40 33.40 765,882
Jul 21, 2026 33.56 34.78 33.33 34.55 34.55 704,674
Jul 20, 2026 33.52 34.12 32.31 32.51 32.51 420,860
Jul 17, 2026 31.58 33.98 31.41 33.02 33.02 609,092
Jul 16, 2026 34.22 34.24 32.34 33.09 33.09 577,113
Jul 15, 2026 35.55 36.40 34.22 35.30 35.30 527,886
Jul 14, 2026 35.50 35.80 35.03 35.46 35.46 419,457
Jul 13, 2026 35.10 35.55 33.97 34.18 34.18 558,339
Jul 10, 2026 37.17 37.72 35.76 35.96 35.96 563,105
Jul 9, 2026 37.66 37.80 36.49 37.17 37.17 717,569
Jul 8, 2026 34.62 36.17 34.18 36.00 36.00 831,129
Jul 7, 2026 37.02 37.20 34.50 35.55 35.55 736,304
Jul 6, 2026 37.61 39.11 37.34 38.13 38.13 846,258
Jul 2, 2026 40.10 40.45 36.28 37.11 37.11 884,367
Jul 1, 2026 40.64 41.49 39.60 39.92 39.92 710,309
Jun 30, 2026 39.89 41.67 39.51 41.51 41.51 710,074
Jun 29, 2026 40.24 41.40 37.81 39.83 39.83 841,553
Jun 26, 2026 38.96 41.19 38.02 39.73 39.73 2,160,370
Jun 25, 2026 41.93 42.84 40.07 40.28 40.28 962,199
Jun 24, 2026 42.13 42.24 39.60 40.85 40.85 847,992
Jun 23, 2026 42.04 44.11 41.60 41.63 41.63 767,177
Jun 22, 2026 43.72 45.43 42.99 45.33 45.33 1,035,096
Jun 18, 2026 41.49 43.48 40.44 43.40 43.40 1,124,987
Jun 17, 2026 40.57 42.18 40.07 40.13 40.13 799,909
Jun 16, 2026 41.07 42.36 40.35 40.46 40.46 1,115,873
Jun 15, 2026 42.06 42.98 40.52 41.07 41.07 924,785
Jun 12, 2026 39.51 40.62 38.71 40.02 40.02 812,097
Jun 11, 2026 37.44 39.54 36.71 39.51 39.51 1,842,920
Jun 10, 2026 40.28 40.96 36.72 36.78 36.78 2,420,049
Jun 9, 2026 43.66 44.76 38.92 40.53 40.53 1,558,694
Jun 8, 2026 42.86 44.39 40.76 43.34 43.34 1,583,255
Jun 5, 2026 45.34 45.95 41.20 42.34 42.34 1,820,755
Jun 4, 2026 45.64 47.24 45.19 46.40 46.40 1,263,829
Jun 3, 2026 51.00 51.30 46.24 46.67 46.67 1,478,527
Jun 2, 2026 51.46 52.55 48.87 51.17 51.17 1,281,733
Jun 1, 2026 49.47 51.99 48.77 51.15 51.15 1,133,995
May 29, 2026 51.19 53.37 48.52 50.94 50.94 1,336,647
May 28, 2026 50.00 51.37 45.46 51.33 51.33 3,439,465
May 27, 2026 53.60 55.09 51.55 52.68 52.68 1,942,181
May 26, 2026 54.00 54.40 51.28 53.12 53.12 1,179,384
May 22, 2026 50.28 52.48 48.86 51.84 51.84 746,642
May 21, 2026 48.64 50.66 48.39 49.42 49.42 659,823
May 20, 2026 48.46 50.10 47.22 49.22 49.22 933,307
May 19, 2026 48.10 48.62 45.72 47.09 47.09 1,168,371
May 18, 2026 54.86 55.11 48.52 50.15 50.15 1,264,214
May 15, 2026 51.53 55.24 50.32 55.06 55.06 1,059,765
May 14, 2026 55.73 55.78 52.58 54.70 54.70 1,210,718
May 13, 2026 55.81 56.25 53.00 55.73 55.73 977,276
May 12, 2026 57.04 57.05 51.32 54.51 54.51 1,314,800
May 11, 2026 55.10 60.18 54.81 58.72 58.72 1,749,703
May 8, 2026 54.37 55.68 53.47 55.19 55.19 859,757
May 7, 2026 56.09 56.90 52.66 53.22 53.22 1,201,571
May 6, 2026 55.59 57.18 53.71 57.07 57.07 1,080,324
May 5, 2026 50.99 55.70 50.99 55.01 55.01 1,400,576
May 4, 2026 52.51 53.00 48.53 50.30 50.30 1,068,761
May 1, 2026 53.22 54.20 51.42 52.51 52.51 1,310,429
Apr 30, 2026 49.23 53.65 48.00 53.54 53.54 1,863,819
Apr 29, 2026 47.79 48.60 45.69 47.70 47.70 1,293,242
Apr 28, 2026 47.91 49.49 45.57 47.50 47.50 1,769,648
Apr 27, 2026 52.39 52.39 46.01 49.64 49.64 2,525,355
Apr 24, 2026 48.14 50.78 45.50 49.48 49.48 2,319,312
Apr 23, 2026 51.25 51.47 44.47 46.15 46.15 2,644,641
Apr 22, 2026 43.40 48.23 43.40 48.15 48.15 2,463,651
Apr 21, 2026 41.36 42.93 40.75 41.93 41.93 1,586,955
Apr 20, 2026 39.37 40.84 38.81 40.73 40.73 692,339
Apr 17, 2026 39.00 40.75 38.13 39.72 39.72 1,058,393
Apr 16, 2026 37.86 38.59 36.89 37.97 37.97 917,306
Apr 15, 2026 40.00 40.04 37.21 37.74 37.74 1,293,983
Apr 14, 2026 39.00 39.60 37.25 39.45 39.45 993,882
Apr 13, 2026 37.29 38.11 36.54 37.81 37.81 796,886
Apr 10, 2026 36.50 39.25 36.35 37.71 37.71 1,238,430
Apr 9, 2026 32.87 36.41 32.87 36.15 36.15 1,408,124
Apr 8, 2026 33.73 34.28 32.68 33.02 33.02 918,462
Apr 7, 2026 32.10 32.27 30.87 31.54 31.54 562,637
Apr 6, 2026 32.37 32.99 31.97 32.62 32.62 380,864
Apr 2, 2026 31.33 32.89 30.95 32.09 32.09 630,615
Apr 1, 2026 34.26 35.05 32.60 32.65 32.65 633,709
Mar 31, 2026 32.59 34.27 32.18 33.85 33.85 1,135,615
Mar 30, 2026 33.87 33.87 31.36 32.21 32.21 1,978,075
Mar 27, 2026 31.64 34.03 31.64 33.72 33.72 1,042,041
Mar 26, 2026 32.56 34.27 32.21 32.31 32.31 1,573,076
Mar 25, 2026 32.87 34.65 32.57 33.56 33.56 946,953
Mar 24, 2026 30.00 32.73 30.00 32.21 32.21 893,656
Mar 23, 2026 29.53 30.95 28.82 30.80 30.80 1,547,991
Mar 20, 2026 30.47 30.77 28.55 28.74 28.74 1,246,301
Mar 19, 2026 29.02 31.20 28.69 30.67 30.67 505,041
Mar 18, 2026 31.10 31.67 30.11 30.14 30.14 621,334
Mar 17, 2026 30.83 31.55 30.56 31.17 31.17 503,727
Mar 16, 2026 32.15 32.50 30.11 30.90 30.90 637,575
Mar 13, 2026 29.68 31.19 29.68 31.02 31.02 925,420
Mar 12, 2026 29.70 30.02 28.82 29.26 29.26 666,633
Mar 11, 2026 29.45 30.83 29.33 30.66 30.66 725,863
Mar 10, 2026 29.00 30.23 28.96 29.68 29.68 917,507
Mar 9, 2026 27.09 29.11 26.46 29.04 29.04 1,292,092
Mar 6, 2026 29.91 30.47 27.69 27.70 27.70 1,531,702
Mar 5, 2026 31.35 31.70 30.01 30.84 30.84 688,375
Mar 4, 2026 31.92 32.55 31.39 31.86 31.86 444,016
Mar 3, 2026 31.40 31.58 30.08 31.09 31.09 718,811
Mar 2, 2026 30.20 33.38 30.08 33.01 33.01 804,052
Feb 27, 2026 33.15 33.62 32.38 32.58 32.58 805,397
Feb 26, 2026 34.30 34.81 33.20 34.64 34.64 615,011
Feb 25, 2026 33.90 35.81 33.80 34.68 34.68 699,301
Feb 24, 2026 32.31 34.24 32.05 33.71 33.71 820,897
Feb 23, 2026 33.61 34.35 32.01 32.51 32.51 801,736
Feb 20, 2026 33.17 35.53 32.50 34.04 34.04 1,173,308
Feb 19, 2026 34.53 35.06 33.00 33.78 33.78 986,179
Feb 18, 2026 37.40 38.10 34.00 34.78 34.78 1,764,505
Feb 17, 2026 33.64 36.82 32.62 36.66 36.66 1,667,216
Feb 13, 2026 31.95 34.53 31.05 34.26 34.26 1,435,297
Feb 12, 2026 34.99 35.50 31.81 31.95 31.95 1,520,007
Feb 11, 2026 33.49 34.82 31.21 34.26 34.26 2,737,608
Feb 10, 2026 28.64 32.36 28.07 31.88 31.88 3,315,608
Feb 9, 2026 28.13 30.12 27.74 28.79 28.79 1,079,774
Feb 6, 2026 26.36 28.36 25.28 28.17 28.17 2,060,964
Feb 5, 2026 31.75 31.85 24.87 25.95 25.95 3,549,139
Feb 4, 2026 30.10 30.16 26.92 27.61 27.61 1,912,055
Feb 3, 2026 30.90 31.24 28.75 30.00 30.00 1,010,698
Feb 2, 2026 29.93 30.90 29.15 30.02 30.02 1,454,621
Jan 30, 2026 30.96 31.67 29.67 29.92 29.92 762,403
Jan 29, 2026 31.80 31.91 30.22 31.45 31.45 758,340
Jan 28, 2026 32.57 32.88 31.30 31.82 31.82 606,465
Jan 27, 2026 32.00 32.42 31.36 32.17 32.17 487,188
Jan 26, 2026 33.13 33.94 31.36 31.55 31.55 843,451
Jan 23, 2026 33.26 34.50 32.13 33.28 33.28 1,006,475
Jan 22, 2026 32.42 33.47 31.80 33.10 33.10 957,144
Jan 21, 2026 31.83 32.20 30.04 31.81 31.81 871,588
Jan 20, 2026 30.52 31.42 30.28 31.16 31.16 691,802
Jan 16, 2026 31.28 32.70 30.94 32.19 32.19 761,404
Jan 15, 2026 31.64 32.00 30.96 31.08 31.08 653,452
Jan 14, 2026 31.18 31.27 30.10 31.25 31.25 712,378
Jan 13, 2026 30.85 31.78 30.65 31.56 31.56 725,076
Jan 12, 2026 30.30 31.11 29.50 30.47 30.47 593,972
Jan 9, 2026 30.95 31.30 29.92 30.67 30.67 591,755
Jan 8, 2026 30.80 31.05 29.95 30.58 30.58 693,747
Jan 7, 2026 30.80 31.38 30.16 30.75 30.75 705,620
Jan 6, 2026 33.28 33.48 29.97 30.75 30.75 1,293,520
Jan 5, 2026 32.35 33.69 32.08 33.21 33.21 1,208,583
Jan 2, 2026 29.75 31.61 29.71 31.58 31.58 1,042,098
Dec 31, 2025 28.97 29.18 28.68 28.78 28.78 832,754
Dec 30, 2025 29.41 29.43 28.94 28.95 28.95 1,096,828
Dec 29, 2025 30.20 30.64 29.21 29.24 29.24 828,824
Dec 26, 2025 31.37 31.45 30.40 30.58 30.58 526,093
Dec 24, 2025 31.51 31.58 30.90 31.34 31.34 305,543
Dec 23, 2025 31.59 32.17 31.49 31.77 31.77 546,169
Dec 22, 2025 31.28 32.29 30.73 31.86 31.86 892,826
Dec 19, 2025 30.49 31.61 30.29 30.65 30.65 920,813
Dec 18, 2025 30.40 31.40 30.01 30.59 30.59 790,083
Dec 17, 2025 31.43 32.06 28.96 29.04 29.04 1,216,891
Dec 16, 2025 31.20 32.59 30.99 31.21 31.21 643,083
Dec 15, 2025 31.58 31.84 30.67 31.51 31.51 1,002,069
Dec 12, 2025 32.22 32.46 30.27 31.07 31.07 855,093
Dec 11, 2025 32.74 32.80 31.41 32.24 32.24 928,401
Dec 10, 2025 32.42 33.59 31.67 33.37 33.37 891,150
Dec 9, 2025 32.27 32.70 31.75 32.51 32.51 559,672
Dec 8, 2025 32.96 33.16 32.02 32.46 32.46 528,823
Dec 5, 2025 33.01 33.16 31.95 32.47 32.47 743,311
Dec 4, 2025 31.79 33.50 31.70 33.01 33.01 737,701
Dec 3, 2025 30.74 32.15 29.90 32.04 32.04 631,207
Dec 2, 2025 30.63 31.64 30.50 30.79 30.79 812,943
Dec 1, 2025 30.09 30.95 29.64 29.95 29.95 916,132
Nov 28, 2025 30.91 31.41 30.58 31.09 31.09 584,957
Nov 26, 2025 31.32 31.50 30.27 30.50 30.50 1,132,350
Nov 25, 2025 31.07 31.24 29.53 30.75 30.75 999,753
Nov 24, 2025 30.82 31.83 30.54 31.27 31.27 879,624
Nov 21, 2025 29.73 30.98 28.70 30.38 30.38 1,198,268
Nov 20, 2025 32.88 33.42 29.70 29.78 29.78 1,124,203
Nov 19, 2025 32.17 32.61 30.81 31.18 31.18 662,948
Nov 18, 2025 31.40 32.57 30.69 31.17 31.17 1,055,951
Nov 17, 2025 33.74 34.01 31.69 32.13 32.13 972,307
Nov 14, 2025 32.07 34.85 31.84 33.91 33.91 875,342
Nov 13, 2025 34.79 35.18 32.82 33.63 33.63 1,379,007
Nov 12, 2025 35.96 36.40 34.43 35.18 35.18 859,348
Nov 11, 2025 36.34 36.34 34.16 35.32 35.32 1,494,791
Nov 10, 2025 40.28 40.90 36.70 36.91 36.91 2,093,153
Nov 7, 2025 35.80 38.87 33.81 38.86 38.86 3,040,089
Nov 6, 2025 42.81 44.83 36.20 36.55 36.55 5,403,888
Nov 5, 2025 57.20 60.65 56.08 59.42 59.42 1,095,201
Nov 4, 2025 57.30 58.80 55.26 56.29 56.29 676,680
Nov 3, 2025 59.75 61.30 58.51 60.63 60.63 631,722
Oct 31, 2025 60.79 61.20 58.10 59.23 59.23 702,134
Oct 30, 2025 61.78 62.63 58.11 58.92 58.92 957,218
Oct 29, 2025 57.97 64.72 57.97 63.01 63.01 1,369,582
Oct 28, 2025 57.48 59.36 56.69 57.86 57.86 684,977
Oct 27, 2025 61.00 61.59 56.96 57.85 57.85 943,159
Oct 24, 2025 58.40 61.94 57.47 59.58 59.58 1,093,903
Oct 23, 2025 54.85 57.20 54.01 56.53 56.53 870,449
Oct 22, 2025 58.83 59.49 52.75 54.78 54.78 1,737,835
Oct 21, 2025 61.07 61.07 58.01 59.26 59.26 652,054
Oct 20, 2025 61.92 63.70 59.31 61.03 61.03 863,696
Oct 17, 2025 60.86 62.50 57.80 60.02 60.02 1,009,954
Oct 16, 2025 68.56 68.56 62.19 63.05 63.05 822,809
Oct 15, 2025 68.75 70.49 63.84 66.68 66.68 1,519,118
Oct 14, 2025 59.21 66.55 57.01 65.54 65.54 1,910,255
Oct 13, 2025 58.72 62.22 58.28 61.57 61.57 1,115,749
Oct 10, 2025 59.73 63.01 56.07 56.24 56.24 1,255,885
Oct 9, 2025 61.00 61.61 59.19 59.80 59.80 831,246
Oct 8, 2025 57.32 61.04 57.28 60.70 60.70 1,112,182
Oct 7, 2025 61.48 62.79 55.51 56.55 56.55 1,817,990
Oct 6, 2025 62.40 63.64 58.71 60.98 60.98 1,069,083
Oct 3, 2025 60.00 62.16 58.38 59.30 59.30 1,557,874
Oct 2, 2025 60.06 60.99 58.26 59.25 59.25 809,249
Oct 1, 2025 58.74 60.08 57.62 59.17 59.17 661,612
Sep 30, 2025 60.93 61.50 57.80 59.39 59.39 1,059,682
Sep 29, 2025 59.50 62.00 59.50 60.84 60.84 1,259,251
Sep 26, 2025 58.86 59.75 57.49 58.57 58.57 710,479
Sep 25, 2025 56.69 58.98 54.13 57.95 57.95 1,046,245

Open, high, low and close are the prices as traded. Adjusted close accounts for splits and dividends, and is what the chart and returns use. Where a company changed its ticker, its history under the old symbol is included.

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American Superconductor Corp Executive Compensation

We estimate that -- received a compensation of -- in --, making them the highest paid executive at AMSC, per a recent SEC DEF 14A filing. We estimate that the median employee at AMERICAN SUPERCONDUCTOR CORP /DE/ is paid $93,320.



Name
Role
Salary
Bonus
Stock/Option Awards
Total Compensation