American Superconductor Insider Trades

AMSC

Track insider trading activity from American Superconductor executives and directors. See which insiders are buying and selling AMSC stock.

Trades Last 12 Months

AMSC Price

All Insider Trades for American Superconductor

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Dambier Laura A. Director
Holding Value $529k 14,992 shares
Last Trade
Jun 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$151k 4,000 shares
$37.63
$35.30
Mc Gahn Daniel P Chairman, President And CEO
Holding Value $40.1M 1,136,538 shares
Last Trade
Jun 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$603k 16,117 shares
$37.44
$35.30
Kosiba John W Jr Svp, CFO & Treasurer
Holding Value $11.9M 336,120 shares
Last Trade
Jun 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$254k 6,769 shares
$37.46
$35.30
Holding Value $2.25M 63,823 shares
Last Trade
Apr 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$100k 3,116 shares
$32.09
$35.30
Holding Value $94.1k 2,665 shares
Last Trade
Apr 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$85.5k 2,665 shares
$32.09
$35.30
House Arthur H Director
Holding Value $1.83M 51,779 shares
Last Trade
Apr 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$100k 3,116 shares
$32.09
$35.30
Holding Value $688k 19,492 shares
Last Trade
Apr 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$100k 3,116 shares
$32.09
$35.30
Holding Value $1.25M 35,427 shares
Last Trade
Apr 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$100k 3,116 shares
$32.09
$35.30
Kosiba John W Jr Svp, CFO & Treasurer
Holding Value $13M 368,630 shares
Last Trade
Aug 04, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.27M 59,843 shares
$54.70
$35.30
Mcgahn Daniel P Chairman, President And CEO
Holding Value $42.7M 1,210,877 shares
Last Trade
Aug 04, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$5.5M 100,848 shares
$54.49
$35.30
Holding Value $2.09M 59,299 shares
Last Trade
Jun 10, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$9.1k 1,538 shares
$5.92
$35.30
Wood John W Jr Director
Holding Value $1.28M 36,245 shares
Last Trade
May 24, 2019 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$6.04k 566 shares
$10.68
$35.30
Lenehan Pamela F Director
Holding Value $959k 27,172 shares
Last Trade
Jul 26, 2018 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$13.1k 2,595 shares
$5.05
$35.30
Holding Value $785k 22,234 shares
Last Trade
Jul 26, 2017 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$12.5k 3,653 shares
$3.43
$35.30
Mc Gahn Daniel P President And CEO
Holding Value $4.99M 141,223 shares
Last Trade
May 10, 2017 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$100k 25,000 shares
$4.00
$35.30
Maguire James F Evp, Operations
Holding Value $1.57M 44,446 shares
Last Trade
Jul 31, 2016 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$7.53k 820 shares
$9.18
$35.30
Henry David A Evp, CFO & Treasurer
Holding Value $2.19M 61,929 shares
Last Trade
Jul 31, 2016 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$8.05k 877 shares
$9.18
$35.30
Douglas Kevin 10% owner
Holding Value $29.5M 834,533 shares
Last Trade
Apr 24, 2015 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$1.82M 264,000 shares
$6.88
$35.30
Collett John R Svp, Chief Strategy Officer
Holding Value $0 0 shares
Last Trade
Oct 19, 2014 Sale
$976k 80,000 shares
$12.20
$35.30
Drouin Richard Director
Holding Value $1.38M 39,000 shares
Last Trade
Apr 01, 2014 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$32.6k 2,000 shares
$16.30
$35.30

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