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JC

John C. Koss Jr.

Executive
Chief Executive Officer
US·SEC (Form 4)
Koss Corp
Insider activity · 24 months0 buys4 salesCumulative net flow
Total declarations
81
Company
1
▲ Purchases (0 ops.)
—
▼ Sales (50 ops.)
€20.8M

Latest filing published 17 Jun 2025 for KOSS CORP, €127k.

Filing timeline

BuySale
John C. Koss Jr.

Insider track record

Disclosed buys
0
Disclosed sells
50
Signal history

John C. Koss Jr.: trading record in brief

This profile gathers the share dealings of John C. Koss Jr. in Koss Corp, where the filings describe the role as chief executive. We count 81 filings; the first trade dates from 11 August 2005 and the latest from 12 June 2025.

The open-market record consists of 50 sales worth €20.8M, with no purchase. Other entries cover 16 option exercises. In 2025 alone, the filings show no purchases and 3 sales.

Most recently, on 17 June 2025, the filings show an open-market sale worth €127k in Koss Corp. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. US insiders must file a Form 4 within two business days of a trade. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.

Companies and markets linked to John C. Koss Jr.

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Declarations81 total
  • ▼
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    145,000 USD23SEC
    25,000 shares@ US$5.800.6% of flowCommon StockSEC:0000950170-25-087506:1
  • ◇
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    44,650 USD11SEC
    23,500 shares@ US$1.900.2% of flowCommon StockSEC:0000950170-25-087506:2
  • ▼
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    132,775 USD23SEC
    23,500 shares@ US$5.650.6% of flowCommon StockSEC:0000950170-25-087506:3
  • ◇
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    2,850 USD11SEC
    1,500 shares@ US$1.900.0% of flowCommon StockSEC:0000950170-25-087506:4
  • ▼
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    7,530 USD23SEC
    1,500 shares@ US$5.020.0% of flowCommon StockSEC:0000950170-25-087506:5
  • ◇
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    47,500 USD19SEC
    25,000 shares@ US$1.90100.0% of flowCommon StockSEC:0000950170-25-087506:0
  • ▼
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    184,750 USD11SEC
    25,000 shares@ US$7.390.8% of flowCommon StockSEC:0000950170-24-136638:1
  • ◇
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    47,500 USD12SEC
    25,000 shares@ US$1.906.2% of flowCommon StockSEC:0000950170-24-136638:0
  • ▼
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    131,250 USD11SEC
    25,000 shares@ US$5.250.6% of flowCommon StockSEC:0000950170-24-063035:1
  • ◇
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    54,250 USD12SEC
    25,000 shares@ US$2.176.9% of flowCommon StockSEC:0000950170-24-063035:0
  • ●
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    0SEC
    707,949 shares0Common StockSEC:0001209191-22-033947:1
  • ●
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    0SEC
    983,800 shares0Common StockSEC:0001209191-22-033947:2
  • ●
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    0SEC
    1,000,885 shares0Common StockSEC:0001209191-22-033947:0
  • ▼
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    183,800 USD29SEC
    10,000 shares@ US$18.380.8% of flowCommon StockSEC:0001209191-21-054416:1
  • ◇
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    19,000 USD11SEC
    10,000 shares@ US$1.902.2% of flowCommon StockSEC:0001209191-21-054416:0
  • ▼
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    180,600 USD29SEC
    10,000 shares@ US$18.060.8% of flowCommon StockSEC:0001209191-21-054060:1
  • ◇
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    9,500 USD11SEC
    5,000 shares@ US$1.900.0% of flowCommon StockSEC:0001209191-21-054060:2
  • ▼
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    91,300 USD29SEC
    5,000 shares@ US$18.260.4% of flowCommon StockSEC:0001209191-21-054060:3
  • ◇
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    19,000 USD11SEC
    10,000 shares@ US$1.902.2% of flowCommon StockSEC:0001209191-21-054060:0
  • ◇
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    73,000 USD11SEC
    25,000 shares@ US$2.920.3% of flowCommon StockSEC:0001209191-21-053529:1
  • ◇
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    54,250 USD11SEC
    25,000 shares@ US$2.170.2% of flowCommon StockSEC:0001209191-21-053529:2
  • ▼
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    630,976 USD29SEC
    36,263 shares@ US$17.402.6% of flowCommon StockSEC:0001209191-21-053529:3
  • ▼
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    250,975 USD29SEC
    13,737 shares@ US$18.271.0% of flowCommon StockSEC:0001209191-21-053529:4
  • ▼
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    501,500 USD29SEC
    25,000 shares@ US$20.062.1% of flowCommon StockSEC:0001209191-21-053529:5
  • ◇
    John C. Koss Jr.
    Vice President - SalesExecutivesKoss Corp
    48,750 USD12SEC
    25,000 shares@ US$1.955.7% of flowCommon StockSEC:0001209191-21-053529:0

25 of 81 declarations

Related entities

No related entities found.