Kosiba John W Jr - Net Worth and Insider Trading

Kosiba John W Jr Net Worth

The estimated net worth of Kosiba John W Jr is at least $6 Million dollars as of 2024-05-25. Kosiba John W Jr is the SVP, CFO & Treasurer of American Superconductor Corp and owns about 357,255 shares of American Superconductor Corp (AMSC) stock worth over $6 Million. Details can be seen in Kosiba John W Jr's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that Kosiba John W Jr has not made any transactions after 2024-05-21 and currently still holds the listed stock(s).

Transaction Summary of Kosiba John W Jr

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Kosiba John W Jr Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Kosiba John W Jr owns 1 companies in total, including American Superconductor Corp (AMSC) .

Click here to see the complete history of Kosiba John W Jr’s form 4 insider trades.

Insider Ownership Summary of Kosiba John W Jr

Ticker Comapny Transaction Date Type of Owner
AMSC American Superconductor Corp 2023-06-22 SVP & CFO & Treasurer

Kosiba John W Jr Latest Holdings Summary

Kosiba John W Jr currently owns a total of 1 stock. Kosiba John W Jr owns 357,255 shares of American Superconductor Corp (AMSC) as of May 21, 2024, with a value of $6 Million.

Latest Holdings of Kosiba John W Jr

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
AMSC American Superconductor Corp 2024-05-21 357,255 16.06 5,737,515

Holding Weightings of Kosiba John W Jr


Kosiba John W Jr Form 4 Trading Tracker

According to the SEC Form 4 filings, Kosiba John W Jr has made a total of 12 transactions in American Superconductor Corp (AMSC) over the past 5 years, including 2 buys and 10 sells. The most-recent trade in American Superconductor Corp is the sale of 29,000 shares on May 21, 2024, which brought Kosiba John W Jr around $429,780.

Insider Trading History of Kosiba John W Jr

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
Total 0
  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

Kosiba John W Jr Trading Performance

GuruFocus tracks the stock performance after each of Kosiba John W Jr's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Kosiba John W Jr is 24.07%. GuruFocus also compares Kosiba John W Jr's trading performance to market benchmark return within the same time period. The performance of stocks bought by Kosiba John W Jr within 3 months outperforms 3 times out of 4 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how Kosiba John W Jr's insider trading performs compared to the benchmark.

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Performance of Kosiba John W Jr

Average Return

Average return per transaction

Outperforming Transactions

4 out of 4 outperforming transactions.
Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Return(%) 26.52
Relative Return to S&P 500(%) 23.75

Kosiba John W Jr Ownership Network

Ownership Network List of Kosiba John W Jr

No Data

Ownership Network Relation of Kosiba John W Jr


Kosiba John W Jr Owned Company Details

What does American Superconductor Corp do?

Who are the key executives at American Superconductor Corp?

Kosiba John W Jr is the SVP & CFO & Treasurer of American Superconductor Corp. Other key executives at American Superconductor Corp include VP & Stategic Planning,Corp Dev Daniel P Mcgahn , SVP & CFO & Treasurer David A Henry , and EVP & Gridtec Solutions James F Maguire .

American Superconductor Corp (AMSC) Insider Trades Summary

Over the past 18 months, Kosiba John W Jr made 4 insider transaction in American Superconductor Corp (AMSC) with a net sale of 69,010. Other recent insider transactions involving American Superconductor Corp (AMSC) include a net sale of 106,263 shares made by Daniel P Mcgahn ,

In summary, during the past 3 months, insiders sold 49,559 shares of American Superconductor Corp (AMSC) in total and bought 0 shares, with a net sale of 49,559 shares. During the past 18 months, 240,273 shares of American Superconductor Corp (AMSC) were sold and 65,000 shares were bought by its insiders, resulting in a net sale of 175,273 shares.

American Superconductor Corp (AMSC)'s detailed insider trading history can be found in Insider Trading Tracker table.

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American Superconductor Corp Insider Transactions

No Available Data

Kosiba John W Jr Mailing Address

Above is the net worth, insider trading, and ownership report for Kosiba John W Jr. You might contact Kosiba John W Jr via mailing address: C/o American Superconductor Corporation, 64 Jackson Road, Devens Ma 01434.

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