Koss Michael J Jr

Track

Insider profile

Performance

Overall performance
4.1
Performance over holding periods
4.1
30 days 90 days 120 days
Average return 47% 8.2% 15.1%
Success rate 97% 68% 82%
Transactions
10 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Koss Michael J Jr's trades of Koss Corp's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
US Koss Corp (KOSS)
Transaction date
Sale
Price
406.79
Quantity 42,963 -32.6%
Value US$994,002
US Koss Corp (KOSS)
Transaction date
Sale
Price
197.96
Quantity 6,945 -15.5%
Value US$3,818,699
US Koss Corp (KOSS)
Transaction date
Sale
Price
164.57
Quantity 3,051 +9.7%
Value US$4,855,627
US Koss Corp (KOSS)
Transaction date
Sale
Price
40.51
Quantity 10,000 -21.7%
Value US$405,100
US Koss Corp (KOSS)
Transaction date
Sale
Price
32.89
Quantity 11,000 -19.3%
Value US$361,790
US Koss Corp (KOSS)
Transaction date
Sale
Price
31.25
Quantity 4,000 -6.6%
Value US$125,000
US Koss Corp (KOSS)
Transaction date
Sale
Price
25.98
Quantity 13,948 -23.3%
Value US$362,369
US Koss Corp (KOSS)
Transaction date
Sale
Price
35.07
Quantity 26,052 -36.2%
Value US$913,644
US Koss Corp (KOSS)
Transaction date
Sale
Price
39.40
Quantity 5,000 -6.5%
Value US$197,000
US Koss Corp (KOSS)
Transaction date
Sale
Price
40.58
Quantity 60,000 -43.8%
Value US$2,434,800
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-06-17 2025-06-13
US Koss Corp (KOSS)
S Sale
42,963 -32.6%
406.79
US$994,002 		42,963 -32.6% 406.79 US$994,002
2025-06-17 2025-06-12
US Koss Corp (KOSS)
S Sale
6,945 -15.5%
197.96
US$3,818,699 		6,945 -15.5% 197.96 US$3,818,699
2021-09-17 2021-09-15
US Koss Corp (KOSS)
S Sale
3,051 +9.7%
164.57
US$4,855,627 		3,051 +9.7% 164.57 US$4,855,627
2021-06-03 2021-06-02
US Koss Corp (KOSS)
S Sale
10,000 -21.7%
40.51
US$405,100 		10,000 -21.7% 40.51 US$405,100
2021-02-26 2021-02-25
US Koss Corp (KOSS)
S Sale
11,000 -19.3%
32.89
US$361,790 		11,000 -19.3% 32.89 US$361,790
2021-02-26 2021-02-25
US Koss Corp (KOSS)
S Sale
4,000 -6.6%
31.25
US$125,000 		4,000 -6.6% 31.25 US$125,000
2021-02-03 2021-02-02
US Koss Corp (KOSS)
S Sale
13,948 -23.3%
25.98
US$362,369 		13,948 -23.3% 25.98 US$362,369
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
26,052 -36.2%
35.07
US$913,644 		26,052 -36.2% 35.07 US$913,644
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
5,000 -6.5%
39.40
US$197,000 		5,000 -6.5% 39.40 US$197,000
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
60,000 -43.8%
40.58
US$2,434,800 		60,000 -43.8% 40.58 US$2,434,800