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Michael Koss

Track

Insider profile

Currently holds a position at Koss Corp

Performance

Overall performance
4.0
Performance over holding periods
4.0
30 days 90 days 120 days
Average return 47% 8.2% 15.1%
Success rate 99% 68% 82%
Transactions
35 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Vice President - Marketing and Product Koss Corp Jan. 1, 2016 -
Michael Koss's trades of Koss Corp's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2021-09-03 2021-08-26
US Koss Corp (KOSS)
S Sale
42,934 -30.3%
179.78
US$2,866,024 		42,934 -30.3% 179.78 US$2,866,024
2021-08-26 2021-08-24
US Koss Corp (KOSS)
S Sale
79,889 -27.7%
209.19
US$4,293,441 		79,889 -27.7% 209.19 US$4,293,441
2021-06-03 2021-06-02
US Koss Corp (KOSS)
S Sale
13,823 -43.1%
100.37
US$942,636 		13,823 -43.1% 100.37 US$942,636
2021-06-03 2021-06-02
US Koss Corp (KOSS)
S Sale
5,000 -13.5%
30.00
US$150,000 		5,000 -13.5% 30.00 US$150,000
2021-06-03 2021-06-02
US Koss Corp (KOSS)
S Sale
8,221 -1.0%
29.63
US$243,588 		8,221 -1.0% 29.63 US$243,588
2021-06-03 2021-06-02
US Koss Corp (KOSS)
S Sale
10,000 -1.3%
28.18
US$281,800 		10,000 -1.3% 28.18 US$281,800
2021-06-03 2021-06-02
US Koss Corp (KOSS)
S Sale
25,000 -3.1%
26.11
US$652,750 		25,000 -3.1% 26.11 US$652,750
2021-06-03 2021-06-01
US Koss Corp (KOSS)
S Sale
11,779 -1.5%
25.04
US$294,946 		11,779 -1.5% 25.04 US$294,946
2021-05-28 2021-05-26
US Koss Corp (KOSS)
S Sale
9,000 -1.1%
21.26
US$191,340 		9,000 -1.1% 21.26 US$191,340
2021-03-16 2021-03-12
US Koss Corp (KOSS)
S Sale
4,122 -10.0%
29.99
US$123,619 		4,122 -10.0% 29.99 US$123,619
2021-03-12 2021-03-10
US Koss Corp (KOSS)
S Sale
10,000 -19.6%
38.05
US$380,500 		10,000 -19.6% 38.05 US$380,500
2021-03-12 2021-03-10
US Koss Corp (KOSS)
S Sale
4,000 -7.3%
29.10
US$116,400 		4,000 -7.3% 29.10 US$116,400
2021-03-12 2021-03-10
US Koss Corp (KOSS)
S Sale
10,000 -1.3%
29.00
US$290,000 		10,000 -1.3% 29.00 US$290,000
2021-03-12 2021-03-10
US Koss Corp (KOSS)
S Sale
5,000 -0.6%
39.90
US$199,500 		5,000 -0.6% 39.90 US$199,500
2021-03-12 2021-03-10
US Koss Corp (KOSS)
S Sale
20,000 -2.4%
37.72
US$754,400 		20,000 -2.4% 37.72 US$754,400
2021-03-12 2021-03-10
US Koss Corp (KOSS)
S Sale
20,000 -2.4%
26.85
US$537,000 		20,000 -2.4% 26.85 US$537,000
2021-02-26 2021-02-25
US Koss Corp (KOSS)
S Sale
40,000 -5.3%
27.06
US$1,082,400 		40,000 -5.3% 27.06 US$1,082,400
2021-02-26 2021-02-25
US Koss Corp (KOSS)
S Sale
10,000 -1.3%
23.51
US$235,100 		10,000 -1.3% 23.51 US$235,100
2021-02-26 2021-02-25
US Koss Corp (KOSS)
S Sale
10,000 -15.4%
32.50
US$325,000 		10,000 -15.4% 32.50 US$325,000
2021-02-26 2021-02-25
US Koss Corp (KOSS)
S Sale
10,000 -1.2%
32.50
US$325,000 		10,000 -1.2% 32.50 US$325,000
2021-02-26 2021-02-25
US Koss Corp (KOSS)
S Sale
25,000 -3.0%
30.23
US$755,750 		25,000 -3.0% 30.23 US$755,750
2021-02-05 2021-02-03
US Koss Corp (KOSS)
S Sale
11,000 -14.5%
27.13
US$298,430 		11,000 -14.5% 27.13 US$298,430
2021-02-05 2021-02-03
US Koss Corp (KOSS)
S Sale
5,000 -6.2%
26.00
US$130,000 		5,000 -6.2% 26.00 US$130,000
2021-02-05 2021-02-03
US Koss Corp (KOSS)
S Sale
20,000 -2.4%
26.58
US$531,600 		20,000 -2.4% 26.58 US$531,600
2021-02-03 2021-02-02
US Koss Corp (KOSS)
S Sale
30,000 -3.8%
19.84
US$595,200 		30,000 -3.8% 19.84 US$595,200
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
34,000 -29.5%
60.00
US$2,040,000 		34,000 -29.5% 60.00 US$2,040,000
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
20,000 -2.5%
35.01
US$700,200 		20,000 -2.5% 35.01 US$700,200
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
20,000 -2.4%
41.81
US$836,200 		20,000 -2.4% 41.81 US$836,200
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
5,000 -0.6%
44.00
US$220,000 		5,000 -0.6% 44.00 US$220,000
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
25,000 -2.9%
48.26
US$1,206,500 		25,000 -2.9% 48.26 US$1,206,500
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
25,000 -2.9%
37.56
US$939,000 		25,000 -2.9% 37.56 US$939,000
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
39,000 -4.3%
39.02
US$1,521,780 		39,000 -4.3% 39.02 US$1,521,780
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
86,000 -8.7%
39.61
US$3,406,460 		86,000 -8.7% 39.61 US$3,406,460
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
10,000 -1.0%
41.55
US$415,500 		10,000 -1.0% 41.55 US$415,500
2021-02-03 2021-02-01
US Koss Corp (KOSS)
S Sale
30,000 -2.9%
46.12
US$1,383,600 		30,000 -2.9% 46.12 US$1,383,600