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American Superconductor Corp. engages in the provision of megawatt-scale power solutions. Its products include electric control systems, generators & drivetrains, power converters, renewable interconnectivity solutions, software, turbine designs, utility and industrial resilience and modernization solutions, and utility voltage solutions. It operates through the Grid and Wind segments. The Grid segment enables electric utilities and renewable energy project developers to connect, transmit, and distribute power with efficiency, reliability, security, and affordability. The Wind segment permits the manufacturers to field wind turbines with power output, reliability, and affordability. The company was founded by Yet Ming Chiang, David A. Rudman, John B. Vander Sande, and Gregory J. Yurek on April 9, 1987 and is headquartered in Ayer, MA.
Insider Trading
Relationship
Date
Transaction
Cost
#Shares
Value ($)
#Shares Total
SEC Form 4
Arthur H House Director Aug 08 '25 Proposed Sale 50.86 9,703 493,451 Aug 08 04:25 PM House Arthur H Director Aug 06 '25 Option Exercise 6.80 9,703 65,980 58,366 Aug 08 04:15 PM House Arthur H Director Aug 08 '25 Sale 50.92 9,703 494,082 48,663 Aug 08 04:15 PM McGahn Daniel P Chairman, President and CEO Aug 04 '25 Sale 54.49 100,848 5,495,526 1,183,134 Aug 06 04:34 PM Kosiba John W JR SVP, CFO & Treasurer Aug 04 '25 Sale 54.59 50,000 2,729,456 352,890 Aug 06 04:29 PM Kosiba John W JR SVP, CFO & Treasurer Aug 04 '25 Sale 55.26 9,843 543,924 0 Aug 06 04:29 PM DANIEL MCGAHN Officer Aug 04 '25 Proposed Sale 54.49 100,849 5,495,575 Aug 04 04:28 PM JOHN KOSIBA Officer Aug 04 '25 Proposed Sale 54.59 50,000 2,729,455 Aug 04 04:11 PM McGahn Daniel P Chairman, President and CEO Jun 11 '25 Sale 28.58 12,815 366,242 1,283,982 Jun 12 04:22 PM Kosiba John W JR SVP, CFO & Treasurer Jun 11 '25 Sale 28.57 6,642 189,778 402,890 Jun 12 04:19 PM JOHN KOSIBA JR. Officer Jun 11 '25 Proposed Sale 28.57 6,642 189,779 Jun 11 04:03 PM DANIEL MCGAHN Officer Jun 11 '25 Proposed Sale 28.58 12,815 366,241 Jun 11 04:02 PM Kosiba John W JR SVP, CFO & Treasurer Jun 06 '25 Sale 31.83 4,744 151,012 409,532 Jun 09 04:57 PM McGahn Daniel P Chairman, President and CEO Jun 06 '25 Sale 31.82 7,689 244,670 1,296,797 Jun 09 04:53 PM DANIEL MCGAHN Officer Jun 06 '25 Proposed Sale 31.82 7,689 244,669 Jun 06 04:08 PM JOHN KOSIBA JR. Officer Jun 06 '25 Proposed Sale 31.83 4,744 151,012 Jun 06 04:07 PM McGahn Daniel P Chairman, President and CEO May 27 '25 Sale 26.39 122,655 3,236,835 1,304,486 May 29 05:31 PM Kosiba John W JR SVP, CFO & Treasurer May 27 '25 Sale 26.40 50,000 1,319,757 414,276 May 29 05:22 PM DANIEL MCGAHN Officer May 27 '25 Proposed Sale 26.39 122,655 3,236,832 May 27 04:09 PM JOHN KOSIBA JR. Officer May 27 '25 Proposed Sale 26.40 50,000 1,319,755 May 27 04:06 PM Kosiba John W JR SVP, CFO & Treasurer May 20 '25 Sale 24.50 11,860 290,530 464,276 May 22 04:47 PM McGahn Daniel P Chairman, President and CEO May 20 '25 Sale 24.49 12,815 313,878 1,427,141 May 22 04:41 PM JOHN KOSIBA JR. Officer May 20 '25 Proposed Sale 24.50 11,860 290,528 May 20 04:08 PM DANIEL MCGAHN Officer May 20 '25 Proposed Sale 24.49 12,815 313,877 May 20 04:06 PM