JJ
Insider
John W Kosiba JR
SVP, CFO & TreasurerJohn 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.
Add to watchlistReturn, 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
Volume by month
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 →
$188K5,026 sh × $37.33
Exec Jun 11
Filed Jun 11 · 5:30 PM ET AMSCSALE AMERICAN SUPERCONDUCTOR CORP /DE/ View filing → $136K
3,286 sh × $41.50
Exec Jun 8
Filed Jun 10 · 5:30 PM ET AMSCSALE AMERICAN SUPERCONDUCTOR CORP /DE/ View filing → $1.8M
35,700 sh across 5 lots
Exec Jun 2
Filed Jun 3 · 5:30 PM ET AMSCSALE AMERICAN SUPERCONDUCTOR CORP /DE/ View filing → $3.3M
59,843 sh across 3 lots
Exec Aug 4 2025
Filed Aug 6 2025 · 5:30 PM ET AMSCSALE AMERICAN SUPERCONDUCTOR CORP /DE/ View filing → $181K
6,342 sh × $28.55
Exec Jun 11 2025
Filed Jun 12 2025 · 5:30 PM ET AMSCSALE AMERICAN SUPERCONDUCTOR CORP /DE/ View filing → $151K
4,744 sh × $31.83
Exec Jun 6 2025
Filed Jun 9 2025 · 5:30 PM ET AMSCSALE AMERICAN SUPERCONDUCTOR CORP /DE/ View filing → $1.3M
50,000 sh across 2 lots
Exec May 27 2025
Filed May 29 2025 · 5:30 PM ET AMSCSALE AMERICAN SUPERCONDUCTOR CORP /DE/ View filing → $291K
11,860 sh × $24.50
Exec May 20 2025
Filed May 22 2025 · 5:30 PM ET More filings →