Koss John C Jr - Net Worth and Insider Trading
Koss John C Jr Net Worth
The estimated net worth of Koss John C Jr is at least $4 Million dollars as of 2025-07-20. Koss John C Jr is the Vice President - Sales of Koss Corp and owns about 809,502 shares of Koss Corp (KOSS) stock worth over $4 Million. Details can be seen in Koss John C Jr'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 Koss John C Jr has not made any transactions after 2025-06-12 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Koss John C Jr
Koss John C Jr Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Koss John C Jr owns 1 companies in total, including Koss Corp (KOSS) .
Click here to see the complete history of Koss John C Jr’s form 4 insider trades.
Koss John C Jr Latest Holdings Summary
Koss John C Jr currently owns a total of 1 stock. Koss John C Jr owns 809,502 shares of Koss Corp (KOSS) as of June 12, 2025, with a value of $4 Million.
Koss John C Jr Form 4 Trading Tracker
According to the SEC Form 4 filings, Koss John C Jr has made a total of 11 transactions in Koss Corp (KOSS) over the past 5 years, including 0 buys and 11 sells. The most-recent trade in Koss Corp is the sale of 50,000 shares on June 12, 2025, which brought Koss John C Jr around $285,500.
Insider Trading History of Koss John C Jr
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Koss John C Jr Trading Performance
Koss John C Jr Ownership Network
Ownership Network List of Koss John C Jr
Ownership Network Relation of Koss John C Jr

Koss John C Jr Owned Company Details
What does Koss Corp do?
Who are the key executives at Koss Corp?
Koss John C Jr is the Vice President - Sales of Koss Corp. Other key executives at Koss Corp include VP Marketing & Product Koss Michael J Jr , Chief Financial Officer Kim M. Schulte , and EVP and CFO David Donnan Smith .
Koss Corp (KOSS) Insider Trades Summary
Over the past 18 months, Koss John C Jr made 3 insider transaction in Koss Corp (KOSS) with a net sale of 100,000. Other recent insider transactions involving Koss Corp (KOSS) include a net sale of 30,643 shares made by Koss Michael J Jr ,
In summary, during the past 3 months, insiders sold 80,643 shares of Koss Corp (KOSS) in total and bought 0 shares, with a net sale of 80,643 shares. During the past 18 months, 130,643 shares of Koss Corp (KOSS) were sold and 0 shares were bought by its insiders, resulting in a net sale of 130,643 shares.
Koss Corp (KOSS)'s detailed insider trading history can be found in Insider Trading Tracker table.
Koss Corp Insider Transactions
Koss John C Jr Mailing Address
Above is the net worth, insider trading, and ownership report for Koss John C Jr. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Koss John C Jr's mailing address is: Milwaukee Wi 53212.