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Insider

Arthur H House

Director

Arthur H House (Director) filed 1 Form 4 report in the past 24 months (0 purchases, 1 sale), most often in AMSC. The largest single filing was $494K of AMSC (9,703 sh × $50.92, as filed), executed Aug 8 2025.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$494K
shares × price, as filed
Last traded
Aug 8 2025
Filed Aug 8 2025
Open performance→
Volume by month
$494K$247K$0Oct 2024Apr 2025Oct 2025Apr 2026Aug 2025 · sells $494K
Buys $0 Sells $494K

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Not on file 1 filing

Sector per market data · by filing · past 24 months

Most traded names
AMSC AMSC AMSC · 0 buys · 1 sell 1 filing
Recent filings
AMSCSALE AMERICAN SUPERCONDUCTOR CORP /DE/ View filing → $494K
9,703 sh × $50.92
Exec Aug 8 2025
Filed Aug 8 2025 · 5:30 PM ET