Koss Corp (KOSS) Insider Ownership

Historic Insider Ownership Trends

Based on data from the past 90 days ending January 10, 2026, Koss's three largest insider shareholders are President And Ceo Michael J Koss (786.91K shares), Vice President Sales John C Jr Koss (196.03K shares), Vp Marketing & Product Michael J Jr Koss (26.00K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Michael J Koss President And Ceo 786,907 02 Sep, 2021
John C Jr Koss Vice President Sales 196,028 17 Jun, 2025
Michael J Jr Koss Vp Marketing & Product 26,000 17 Jun, 2025
William Jesse Sweasy 20,000 03 Jun, 2022
Lenore Lillie 2,500 04 Dec, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Dec, 2025 Lenore Lillie Common Stock A 2,500 $4.96 2,500 D P
13 Jun, 2025 Michael J Jr Koss Common Stock D 24,643 $4.78 26,000 D S
13 Jun, 2025 Michael J Jr Koss - - 50,643 D
13 Jun, 2025 Michael J Jr Koss - - 26,000 D
13 Jun, 2025 Michael J Jr Koss Common Stock A 24,643 $1.90 50,643 D M
12 Jun, 2025 John C Jr Koss - - 196,028 D
12 Jun, 2025 John C Jr Koss Common Stock A 1,500 $1.90 197,528 D M
12 Jun, 2025 John C Jr Koss - - 197,528 D
12 Jun, 2025 John C Jr Koss Common Stock D 1,500 $5.02 196,028 D S
12 Jun, 2025 Michael J Jr Koss - - 32,000 D
12 Jun, 2025 Michael J Jr Koss Common Stock A 6,000 $1.90 32,000 D M
12 Jun, 2025 Michael J Jr Koss - - 26,000 D
12 Jun, 2025 Michael J Jr Koss Common Stock D 6,000 $4.91 26,000 D S
11 Jun, 2025 John C Jr Koss - - 219,528 D
11 Jun, 2025 John C Jr Koss Common Stock D 23,500 $5.65 196,028 D S
11 Jun, 2025 John C Jr Koss - - 196,028 D
11 Jun, 2025 John C Jr Koss Common Stock A 23,500 $1.90 219,528 D M
10 Jun, 2025 John C Jr Koss - - 196,028 D
10 Jun, 2025 John C Jr Koss Common Stock D 25,000 $5.80 196,028 D S
10 Jun, 2025 John C Jr Koss Common Stock A 25,000 $1.90 221,028 D M