NASDAQ: AMSC
American Superconductor Corp Stock Ownership - Who owns American Superconductor?

Insider buying vs selling

Have American Superconductor Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
John W. Kosiba Jr.SVP CFO Treasurer2026-06-111,743$37.85
$65.98kSell
Daniel P. McGahnChairman President and CEO2026-06-1111,508$37.28
$429.04kSell
Daniel P. McGahnChairman President and CEO2026-06-114,609$37.85
$174.46kSell
Laura A. DambierDirector2026-06-114,000$37.63
$150.52kSell
John W. Kosiba Jr.SVP CFO Treasurer2026-06-115,026$37.33
$187.61kSell
John W. Kosiba Jr.SVP CFO Treasurer2026-06-083,286$41.50
$136.37kSell
Daniel P. McGahnChairman President and CEO2026-06-084,992$41.39
$206.61kSell
Daniel P. McGahnChairman President and CEO2026-06-084,678$42.19
$197.38kSell
John W. Kosiba Jr.SVP CFO Treasurer2026-06-081,549$42.35
$65.60kSell
John W. Kosiba Jr.SVP CFO Treasurer2026-06-03609$50.83
$30.95kSell

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Net Insider Buy/Sell (L12M) Ownership

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AMSC Shareholders

What type of owners hold American Superconductor Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Kevin Douglas17.13%8,297,712$245.03MInsider
Michelle Douglas8.79%4,257,258$125.72MInsider
Daniel P. McGahn2.38%1,154,261$34.09MInsider
John W. Kosiba Jr.0.70%340,957$10.07MInsider
Gregory J. Yurek0.38%186,102$5.50MInsider
Alexis P. Malozemoff0.36%173,710$5.13MInsider
Peter O. Crisp0.24%118,603$3.50MInsider
Andrew G. C. Sage Ii0.16%76,000$2.24MInsider
Charles W. Stankiewicz0.14%70,079$2.07MInsider
David A. Henry0.14%66,272$1.96MInsider

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AMSC vs Specialty Industrial Machinery Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AMSC0.07%32.02%Net Selling
CYD0.02%0.00%Net BuyingNet Buying
TNC0.11%7.23%Net SellingNet Buying
BW0.05%99.95%Net SellingNet Buying
GHM0.09%14.55%Net Selling

American Superconductor Stock Ownership FAQ

Who owns American Superconductor?

American Superconductor (NASDAQ: AMSC) is owned by 0.07% institutional shareholders, 32.02% American Superconductor insiders, and 67.90% retail investors. Kevin Douglas is the largest individual American Superconductor shareholder, owning 8.30M shares representing 17.13% of the company. Kevin Douglas's American Superconductor shares are currently valued at $226.36M.

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