John C. Koss Jr.

Vice President - Sales, Koss Corporation.

Companies

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

As of each latest filing. The line shows shares held over time.

Recent filings

Trade performance

DateStockTradeValueReturn sinceVs S&P sinceVs S&P, 1 year
Jun 12, 2025KOSSSale$7.5K−23.2%+51.0%+42.6%
Jun 11, 2025KOSSSale$132.8K−32.5%+60.8%+50.3%
Jun 10, 2025KOSSSale$145.0K−35.4%+63.4%+52.8%
Dec 12, 2024KOSSSale$184.7K−49.3%+77.0%+50.7%
May 20, 2024KOSSSale$131.2K−29.3%+74.9%−3.7%
Aug 31, 2021KOSSSale$183.8K−79.6%+150.5%+44.8%
Aug 30, 2021KOSSSale$91.3K−79.2%+149.9%+44.9%
Aug 27, 2021KOSSSale$180.6K−79.2%+150.6%+44.1%
Aug 24, 2021KOSSSale$1.4M−80.7%+153.0%+47.4%
Jun 15, 2021KOSSSale$121.1K−84.7%+166.5%+60.1%
Jun 14, 2021KOSSSale$75.6K−85.2%+166.7%+61.4%
Jun 9, 2021KOSSSale$135.0K−85.8%+168.8%+67.7%
Jun 8, 2021KOSSSale$244.0K−86.8%+169.6%+70.4%
Jun 3, 2021KOSSSale$646.0K−87.9%+172.2%+72.6%
Jun 2, 2021KOSSSale$140.0K−90.8%+174.4%+81.6%
Jun 1, 2021KOSSSale$125.0K−84.5%+168.4%+67.8%
May 28, 2021KOSSSale$235.0K−83.8%+167.5%+68.1%
Mar 10, 2021KOSSSale$828.6K−87.6%+185.8%+86.0%
Feb 25, 2021KOSSSale$1.6M−82.6%+184.5%+79.1%
Feb 4, 2021KOSSSale$120.0K−80.1%+180.0%+70.5%
Feb 3, 2021KOSSSale$254.4K−85.4%+187.5%+85.6%
Feb 2, 2021KOSSSale$1.5M−81.3%+183.6%+78.2%
Feb 1, 2021KOSSSale$15.7M−89.3%+194.5%+95.9%

Returns are price-only (no dividends), measured from the trade date.

Sources

The numbers on this page point here. Each one links to the record it came from.

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