Koss Corp (KOSS) insider trading

Every open-market stock purchase and sale by Koss Corp executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.

Insider activity at a glance

  • No open-market insider trades in the last 12 months.
  • Last insider buy: Lenore Lillie (Insider), $12.4K, 10 months ago.

Last 12 months: insiders bought $12.4K (1 buy) and sold $0 (0 sales). Last close $3.98 on Jun 4, 2026.

Recent KOSS insider trades

DateInsiderTradeValue
May 6, 2026Kim M. Schulte (CFO)Bought (not open market)—
May 6, 2026Michael J Koss Jr (President)Bought (not open market)—
Feb 17, 2026Michael J Koss (CEO)Sold (not open market)—
Dec 2, 2025Lenore Lillie (Insider)Bought$12.4K

Who's trading KOSS

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