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Home/Companies/American Superconductor Corporation

American Superconductor Corporation

53 insider trades tracked

AMSC
Insider trades
53
Bought (open market)
$4K
Sold (open market)
$19.3M
Unique insiders
8

12-month activity

Monthly insider buy vs sell totals for American Superconductor Corporation.

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
October 2025$0$00
November 2025$0$00
December 2025$0$00
January 2026$0$00
February 2026$0$7K1
March 2026$0$00
April 2026$0$06
May 2026$0$00
June 2026$0$7.8M26
July 2026$0$00
August 2026$0$00
September 2026$0$00

Recent insider trades

Most recent Form 4 filings for American Superconductor Corporation.

  • Dambier Laura A.sold4,000 shares ofAMSCat $37.63$151KJun 11 · filed Jun 12Details
  • Kosiba John W JRsold1,743 shares ofAMSCat $37.852$66KJun 11Details
  • Kosiba John W JRsold5,026 shares ofAMSCat $37.327$188KJun 11Details

Insiders at this company

Executives and directors who have filed Form 4s.

  • McGahn Daniel P18 trades
  • Kosiba John W JR18 trades
  • OLIVER DAVID R JR4 trades
  • House Arthur H4 trades
  • Klein Margaret D.3 trades
  • Dambier Laura A.3 trades
  • Littlefield Barbara G.2 trades
  • Donnelly Terence Robert1 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
  • McGahn Daniel Psold4,609 shares ofAMSCat $37.851$174KJun 11Details
  • McGahn Daniel Psold11,508 shares ofAMSCat $37.283$429KJun 11Details
  • Kosiba John W JRsold1,549 shares ofAMSCat $42.347$66KJun 8 · filed Jun 10Details
  • Kosiba John W JRsold3,286 shares ofAMSCat $41.501$136KJun 8 · filed Jun 10Details
  • McGahn Daniel Psold4,678 shares ofAMSCat $42.194$197KJun 8 · filed Jun 10Details
  • McGahn Daniel Psold4,992 shares ofAMSCat $41.389$207KJun 8 · filed Jun 10Details
  • Kosiba John W JRsold609 shares ofAMSCat $50.826$31KJun 3Details
  • Kosiba John W JRsold2,638 shares ofAMSCat $49.285$130KJun 3Details
  • Kosiba John W JRsold3,200 shares ofAMSCat $48.307$155KJun 3Details
  • McGahn Daniel Psold817 shares ofAMSCat $50.99$42KJun 3Details
  • McGahn Daniel Psold500 shares ofAMSCat $50.288$25KJun 3Details
  • McGahn Daniel Psold4,501 shares ofAMSCat $49.254$222KJun 3Details
  • McGahn Daniel Psold7,075 shares ofAMSCat $48.307$342KJun 3Details
  • Kosiba John W JRsold600 shares ofAMSCat $52.192$31KJun 2 · filed Jun 3Details
  • Kosiba John W JRsold12,036 shares ofAMSCat $51.466$619KJun 2 · filed Jun 3Details
  • Kosiba John W JRsold12,122 shares ofAMSCat $50.619$614KJun 2 · filed Jun 3Details
  • Kosiba John W JRsold5,704 shares ofAMSCat $49.461$282KJun 2 · filed Jun 3Details
  • McGahn Daniel Psold2,305 shares ofAMSCat $52.136$120KJun 2 · filed Jun 3Details
  • McGahn Daniel Psold28,558 shares ofAMSCat $51.459$1.5MJun 2 · filed Jun 3Details
  • McGahn Daniel Psold27,900 shares ofAMSCat $50.631$1.4MJun 2 · filed Jun 3Details
  • McGahn Daniel Psold13,762 shares ofAMSCat $49.451$681KJun 2 · filed Jun 3Details
  • Kosiba John W JRgranted30,000 shares ofAMSCat $0Jun 1 · filed Jun 3Details
  • McGahn Daniel Pgranted60,000 shares ofAMSCat $0Jun 1 · filed Jun 3Details
  • Donnelly Terence Robertgranted2,665 shares ofAMSCat $0Apr 3 · filed Apr 7Details
  • Klein Margaret D.granted3,116 shares ofAMSCat $0Apr 3 · filed Apr 7Details
  • Dambier Laura A.granted3,116 shares ofAMSCat $0Apr 3 · filed Apr 7Details
  • Littlefield Barbara G.granted3,116 shares ofAMSCat $0Apr 3 · filed Apr 7Details
  • View all trades for AMSC →