Skip to content
sellModerate

John W Kosiba JR sold $1.4M of AMSC

SVP, CFO & Treasurer at AMERICAN SUPERCONDUCTOR CORP /DE/. 50,000 shares at an average of $28.28, traded Nov 4, 2024, filed Nov 6, 2024.

Warning score
52
Value
$1.4M
50,000 shares
Holdings after
356,136
-12% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CFO
    +22
  • Trade size
    $1.4M at market
    +25
  • Share of holdings sold
    Sold 12% of holdings
    +5
  • Cluster
    No other insider selling within 14 days
    0

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +9.0%, 3m -10.8%, 6m -27.6%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

AMSCOct 9, 2026 · close 30.52
Since filing Nov 6, 2024: +6.6%SPY +34.8% · excess -28.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000950170-24-122413, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 4, 2024SOpen-market sale
Common Stock
-50,000$28.28$1.4M356,136Nov 6, 2024

Related signals

Other insiders at AMERICAN SUPERCONDUCTOR CORP /DE/ and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
46Moderate
AMSCsell 3
AMERICAN SUPERCONDUCTOR CORP /DE/
Laura A. Dambier
director
$151k
4,000 shares
-21%
39Weak
AMSCsell 310b5-1
AMERICAN SUPERCONDUCTOR CORP /DE/
Daniel P McGahn
Chairman, President and CEO
$604k
16,117 shares
-1%
30Weak
AMSCsell 310b5-1
AMERICAN SUPERCONDUCTOR CORP /DE/
John W Kosiba JR
SVP, CFO & Treasurer
$254k
6,769 shares
-2%
36Weak
AMSCsell 310b5-1
AMERICAN SUPERCONDUCTOR CORP /DE/
Daniel P McGahn
Chairman, President and CEO
$404k
9,670 shares
-1%
29Weak
AMSCsell 310b5-1
AMERICAN SUPERCONDUCTOR CORP /DE/
John W Kosiba JR
SVP, CFO & Treasurer
$202k
4,835 shares
-1%
45Moderate
AMSCsell 310b5-1
AMERICAN SUPERCONDUCTOR CORP /DE/
Daniel P McGahn
Chairman, President and CEO
$4.3M
85,418 shares
-7%
42Moderate
AMSCsell 310b5-1
AMERICAN SUPERCONDUCTOR CORP /DE/
John W Kosiba JR
SVP, CFO & Treasurer
$1.9M
36,909 shares
-10%
15Weak
AMSCsell
AMERICAN SUPERCONDUCTOR CORP /DE/
David R Oliver Jr
director
$6,820
200 shares
-0%
10Weak
AMSCbuy
AMERICAN SUPERCONDUCTOR CORP /DE/
David R Oliver Jr
director
$1,666
200 shares
+0%
38Weak
AMSCsell 3
AMERICAN SUPERCONDUCTOR CORP /DE/
Arthur H House
director
$494k
9,703 shares
-17%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

John W Kosiba JR sold $1.4M of AMSC | InsiderTell