Jeffrey Niew - Net Worth and Insider Trading
Jeffrey Niew Net Worth
The estimated net worth of Jeffrey Niew is at least $15 Million dollars as of 2025-04-28. Jeffrey Niew is the President & CEO of Knowles Corp and owns about 956,826 shares of Knowles Corp (KN) stock worth over $15 Million. Jeffrey Niew is also the Vice President of Dover Corp and owns about 304 shares of Dover Corp (DOV) stock worth over $51,379. Details can be seen in Jeffrey Niew's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Jeffrey Niew has not made any transactions after 2024-12-10 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Jeffrey Niew
Jeffrey Niew Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Jeffrey Niew owns 2 companies in total, including Knowles Corp (KN) , and Dover Corp (DOV) .
Click here to see the complete history of Jeffrey Niew’s form 4 insider trades.
Insider Ownership Summary of Jeffrey Niew
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
KN | Knowles Corp | 2024-12-10 | director & President & CEO |
DOV | Dover Corp | 2013-10-30 | Vice President |
Jeffrey Niew Latest Holdings Summary
Jeffrey Niew currently owns a total of 2 stocks. Among these stocks, Jeffrey Niew owns 956,826 shares of Knowles Corp (KN) as of December 10, 2024, with a value of $15 Million and a weighting of 99.67%. Jeffrey Niew also owns 304 shares of Dover Corp (DOV) as of October 30, 2013, with a value of $51,379 and a weighting of 0.33%.
Latest Holdings of Jeffrey Niew
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
KN | Knowles Corp | 2024-12-10 | 956,826 | 16.09 | 15,395,330 |
DOV | Dover Corp | 2013-10-30 | 304 | 169.01 | 51,379 |
Holding Weightings of Jeffrey Niew
Jeffrey Niew Form 4 Trading Tracker
According to the SEC Form 4 filings, Jeffrey Niew has made a total of 7 transactions in Knowles Corp (KN) over the past 5 years, including 1 buys and 6 sells. The most-recent trade in Knowles Corp is the sale of 4,423 shares on December 10, 2024, which brought Jeffrey Niew around $86,249.
According to the SEC Form 4 filings, Jeffrey Niew has made a total of 0 transactions in Dover Corp (DOV) over the past 5 years. The most-recent trade in Dover Corp is the sale of 7,281 shares on October 30, 2013, which brought Jeffrey Niew around $670,507.
Insider Trading History of Jeffrey Niew
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Jeffrey Niew Trading Performance
GuruFocus tracks the stock performance after each of Jeffrey Niew's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Jeffrey Niew is 29.48%. GuruFocus also compares Jeffrey Niew's trading performance to market benchmark return within the same time period. The performance of stocks bought by Jeffrey Niew within 3 months outperforms 3 times out of 3 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Jeffrey Niew's insider trading performs compared to the benchmark.
Performance of Jeffrey Niew
Jeffrey Niew Ownership Network
Ownership Network List of Jeffrey Niew
Ownership Network Relation of Jeffrey Niew

Jeffrey Niew Owned Company Details
What does Knowles Corp do?
Who are the key executives at Knowles Corp?
Jeffrey Niew is the director & President & CEO of Knowles Corp. Other key executives at Knowles Corp include Senior VP & Gen.Cnsl.,Secretary Robert J Perna , Senior VP & CFO John S. Anderson , and Senior VP & COO Daniel J. Giesecke .
Knowles Corp (KN) Insider Trades Summary
Over the past 18 months, Jeffrey Niew made 2 insider transaction in Knowles Corp (KN) with a net sale of 162,122. Other recent insider transactions involving Knowles Corp (KN) include a net sale of 20,980 shares made by John S. Anderson , a net sale of 31,089 shares made by Robert J Perna , and a net sale of 15,300 shares made by Raymond D. Cabrera .
In summary, during the past 3 months, insiders sold 10,009 shares of Knowles Corp (KN) in total and bought 0 shares, with a net sale of 10,009 shares. During the past 18 months, 258,066 shares of Knowles Corp (KN) were sold and 0 shares were bought by its insiders, resulting in a net sale of 258,066 shares.
Knowles Corp (KN)'s detailed insider trading history can be found in Insider Trading Tracker table.
Knowles Corp Insider Transactions
Jeffrey Niew Mailing Address
Above is the net worth, insider trading, and ownership report for Jeffrey Niew. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Jeffrey Niew's mailing address is: Itasca Il 60143.