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Insider

John W Kosiba JR

SVP, CFO & Treasurer

John W Kosiba JR (SVP, CFO & Treasurer) filed 3 Form 4 reports in the trailing twelve months (0 purchases, 3 sales), most often in AMSC. The largest single filing was $1.8M of AMSC (35,700 sh across 5 lots, as filed), executed Jun 2.

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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
3
0 buys · 3 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$2.1M
shares × price, as filed
Last traded
Jun 11
Filed Jun 11
Open performance
Volume by month
$3.3M$1.6M$0Oct 2024Apr 2025Oct 2025Apr 2026Nov 2024 · sells $1.4MMay 2025 · sells $1.6MJun 2025 · sells $332KAug 2025 · sells $3.3MJun 2026 · sells $2.1M
Buys $0 Sells $8.8M

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

Sectors filed on
Not on file 3 filings

Sector per market data · by filing · past 12 months

Most traded names
AMSC AMSC AMSC · 0 buys · 9 sells 9 filings
Recent filings
AMSCSALE AMERICAN SUPERCONDUCTOR CORP /DE/ View filing → $1.4M
50,000 sh × $28.28
Exec Nov 4 2024
Filed Nov 6 2024 · 5:30 PM ET