United States Computers, Phones & Household Electronics

Koss Corp (KOSS)

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Track

Ticker: KOSS Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.4
LILLIE LENORE Non-Executive Director
Transaction date
Purchase
Price
233.87
Quantity 55,913 -10.9%
Value US$1,444,677
4.1
Koss Michael J Jr VP - Marketing & Product Officer
Transaction date
Sale
Price
406.79
Quantity 42,963 -32.6%
Value US$994,002
4.2
KOSS JOHN C JR Vice President - Sales Officer
Transaction date
Sale
Price
323.00
Quantity 66,454 -18.1%
Value US$4,228,921
4.1
Koss Michael J Jr VP - Marketing & Product Officer
Transaction date
Sale
Price
4.91
Quantity 6,000 -18.8%
Value US$29,460
4.2
KOSS JOHN C JR Vice President - Sales Officer
Transaction date
Sale
Price
5.65
Quantity 23,500 -10.7%
Value US$132,775
4.2
KOSS JOHN C JR Vice President - Sales Officer
Transaction date
Sale
Price
5.80
Quantity 25,000 -11.3%
Value US$145,000
4.2
KOSS JOHN C JR Vice President - Sales Officer
Transaction date
Sale
Price
7.39
Quantity 25,000 -11.3%
Value US$184,725
4.2
KOSS JOHN C JR Vice President - Sales Officer
Transaction date
Sale
Price
5.25
Quantity 25,000 -11.3%
Value US$131,250
4.2
KOSS JOHN C JR Vice President - Sales Officer
Transaction date
Sale
Price
5.25
Quantity 25,000 -11.3%
Value US$131,250
3.6
Sweasy William Jesse Non-Executive Director
Transaction date
Purchase
Price
7.30
Quantity 2,847 +16.6%
Value US$20,783
3.6
Sweasy William Jesse Non-Executive Director
Transaction date
Purchase
Price
6.96
Quantity 17,153 +inf%
Value US$119,385
3.8
Smith David Donnan Chief Financial Officer Officer
Transaction date
Sale
Price
15.54
Quantity 10,000 -100.0%
Value US$155,400
4.1
Koss Michael J Jr VP - Marketing & Product Officer
Transaction date
Sale
Price
17.74
Quantity 24,089 -48.1%
Value US$427,339
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
18.33
Quantity 8,500 -1.1%
Value US$155,805
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
20.06
Quantity 25,000 -14.2%
Value US$501,500
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
18.27
Quantity 13,737 -7.2%
Value US$250,975
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
17.40
Quantity 36,263 -16.0%
Value US$630,976
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
19.74
Quantity 16,500 -2.1%
Value US$325,710
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
24.22
Quantity 5,000 -3.2%
Value US$121,100
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
25.20
Quantity 3,000 -1.9%
Value US$75,600
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
35.36
Quantity 5,000 -2.8%
Value US$176,800
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
32.50
Quantity 5,000 -2.7%
Value US$162,500
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
30.00
Quantity 5,000 -2.7%
Value US$150,000
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
31.35
Quantity 5,000 -2.6%
Value US$156,750
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
28.00
Quantity 5,000 -2.5%
Value US$140,000
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
43.00
Quantity 5,000 -15.6%
Value US$215,000
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
30.00
Quantity 5,000 -13.5%
Value US$150,000
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
29.63
Quantity 8,221 -1.0%
Value US$243,588
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
28.18
Quantity 10,000 -1.3%
Value US$281,800
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
26.11
Quantity 25,000 -3.1%
Value US$652,750
4.1
Koss Michael J Jr VP - Marketing & Product Officer
Transaction date
Sale
Price
40.51
Quantity 10,000 -21.7%
Value US$405,100
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
25.00
Quantity 5,000 -2.5%
Value US$125,000
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
25.04
Quantity 11,779 -1.5%
Value US$294,946
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
23.50
Quantity 10,000 -4.7%
Value US$235,000
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
21.26
Quantity 9,000 -1.1%
Value US$191,340
3.6
Doerr Thomas L. Non-Executive Director
Transaction date
Sale
Price
18.83
Quantity 3,333 -100.0%
Value US$62,760
3.8
Smith David Donnan Chief Financial Officer Officer
Transaction date
Planned sale
Price
24.24
Quantity 5,500 -100.0%
Value US$133,320
3.8
Smith David Donnan Chief Financial Officer Officer
Transaction date
Planned sale
Price
22.12
Quantity 10,500 -65.6%
Value US$232,260
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
29.99
Quantity 4,122 -10.0%
Value US$123,619
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
36.72
Quantity 4,000 -1.8%
Value US$146,880
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
30.00
Quantity 5,000 -2.2%
Value US$150,000
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
27.95
Quantity 10,000 -4.2%
Value US$279,500
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
38.05
Quantity 10,000 -19.6%
Value US$380,500
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
29.10
Quantity 4,000 -7.3%
Value US$116,400
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
29.00
Quantity 10,000 -1.3%
Value US$290,000
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
39.90
Quantity 5,000 -0.6%
Value US$199,500
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
37.72
Quantity 20,000 -2.4%
Value US$754,400
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
26.85
Quantity 20,000 -2.4%
Value US$537,000
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
25.22
Quantity 10,000 -4.1%
Value US$252,200
3.8
Smith David Donnan Chief Financial Officer Officer
Transaction date
Planned sale
Price
17.01
Quantity 1,000 -100.0%
Value US$17,010
3.8
Smith David Donnan Chief Financial Officer Officer
Transaction date
Planned sale
Price
16.50
Quantity 23,000 -95.8%
Value US$379,500
3.4
LILLIE LENORE VP - Operations Officer
Transaction date
Planned sale
Price
16.50
Quantity 22,450 -100.0%
Value US$370,425
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
27.06
Quantity 40,000 -5.3%
Value US$1,082,400
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
23.51
Quantity 10,000 -1.3%
Value US$235,100
4.1
Koss Michael J Jr VP - Marketing & Product Officer
Transaction date
Sale
Price
32.89
Quantity 11,000 -19.3%
Value US$361,790
4.1
Koss Michael J Jr VP - Marketing & Product Officer
Transaction date
Sale
Price
31.25
Quantity 4,000 -6.6%
Value US$125,000
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
27.06
Quantity 40,000 -5.3%
Value US$1,082,400
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
23.51
Quantity 10,000 -1.3%
Value US$235,100
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
32.50
Quantity 10,000 -15.4%
Value US$325,000
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
32.50
Quantity 10,000 -1.2%
Value US$325,000
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
30.23
Quantity 25,000 -3.0%
Value US$755,750
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
30.13
Quantity 10,000 -3.8%
Value US$301,300
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
24.00
Quantity 5,000 -1.8%
Value US$120,000
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
27.13
Quantity 11,000 -14.5%
Value US$298,430
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
26.00
Quantity 5,000 -6.2%
Value US$130,000
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
26.58
Quantity 20,000 -2.4%
Value US$531,600
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
25.44
Quantity 10,000 -3.6%
Value US$254,400
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
19.84
Quantity 30,000 -3.8%
Value US$595,200
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
18.07
Quantity 5,133 -1.8%
Value US$92,753
4.2
KOSS JOHN C JR Vice President - Sales Officer Large shareholder
Transaction date
Sale
Price
23.56
Quantity 35,000 -10.9%
Value US$824,600
4.0
KOSS MICHAEL J President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
19.84
Quantity 30,000 -3.8%
Value US$595,200
3.4
LILLIE LENORE VP - Operations Officer
Transaction date
Sale
Price
18.20
Quantity 27,500 -100.0%
Value US$500,500
3.4
LILLIE LENORE VP - Operations Officer
Transaction date
Sale
Price
19.98
Quantity 2,588 -8.6%
Value US$51,708
3.4
LILLIE LENORE VP - Operations Officer
Transaction date
Sale
Price
21.60
Quantity 3,000 -9.1%
Value US$64,800
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-12-04 2025-12-02 B Purchase
3.4
LILLIE LENORE
Non-Executive Director
55,913 -10.9%
233.87
US$1,444,677 		55,913 -10.9% 233.87 US$1,444,677
2025-06-17 2025-06-13 S Sale
4.1
Koss Michael J Jr

VP - Marketing & Product

Officer
42,963 -32.6%
406.79
US$994,002 		42,963 -32.6% 406.79 US$994,002
2025-06-17 2025-06-12 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer
66,454 -18.1%
323.00
US$4,228,921 		66,454 -18.1% 323.00 US$4,228,921
2025-06-17 2025-06-12 S Sale
4.1
Koss Michael J Jr

VP - Marketing & Product

Officer
6,000 -18.8%
4.91
US$29,460 		6,000 -18.8% 4.91 US$29,460
2025-06-17 2025-06-11 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer
23,500 -10.7%
5.65
US$132,775 		23,500 -10.7% 5.65 US$132,775
2025-06-17 2025-06-10 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer
25,000 -11.3%
5.80
US$145,000 		25,000 -11.3% 5.80 US$145,000
2024-12-16 2024-12-12 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer
25,000 -11.3%
7.39
US$184,725 		25,000 -11.3% 7.39 US$184,725
2024-05-21 2024-05-20 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer
25,000 -11.3%
5.25
US$131,250 		25,000 -11.3% 5.25 US$131,250
2024-05-21 2024-05-20 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer
25,000 -11.3%
5.25
US$131,250 		25,000 -11.3% 5.25 US$131,250
2022-06-03 2022-06-02 B Purchase
3.6
Sweasy William Jesse
Non-Executive Director
2,847 +16.6%
7.30
US$20,783 		2,847 +16.6% 7.30 US$20,783
2022-06-02 2022-06-01 B Purchase
3.6
Sweasy William Jesse
Non-Executive Director
17,153 +inf%
6.96
US$119,385 		17,153 +inf% 6.96 US$119,385
2021-11-02 2021-11-02 S Sale
3.8
Smith David Donnan

Chief Financial Officer

Officer
10,000 -100.0%
15.54
US$155,400 		10,000 -100.0% 15.54 US$155,400
2021-09-17 2021-09-15 S Sale
4.1
Koss Michael J Jr

VP - Marketing & Product

Officer
24,089 -48.1%
17.74
US$427,339 		24,089 -48.1% 17.74 US$427,339
2021-09-03 2021-08-26 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
8,500 -1.1%
18.33
US$155,805 		8,500 -1.1% 18.33 US$155,805
2021-08-26 2021-08-24 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
25,000 -14.2%
20.06
US$501,500 		25,000 -14.2% 20.06 US$501,500
2021-08-26 2021-08-24 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
13,737 -7.2%
18.27
US$250,975 		13,737 -7.2% 18.27 US$250,975
2021-08-26 2021-08-24 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
36,263 -16.0%
17.40
US$630,976 		36,263 -16.0% 17.40 US$630,976
2021-08-26 2021-08-24 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
16,500 -2.1%
19.74
US$325,710 		16,500 -2.1% 19.74 US$325,710
2021-06-16 2021-06-15 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
5,000 -3.2%
24.22
US$121,100 		5,000 -3.2% 24.22 US$121,100
2021-06-16 2021-06-14 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
3,000 -1.9%
25.20
US$75,600 		3,000 -1.9% 25.20 US$75,600
2021-06-03 2021-06-03 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
5,000 -2.8%
35.36
US$176,800 		5,000 -2.8% 35.36 US$176,800
2021-06-03 2021-06-03 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
5,000 -2.7%
32.50
US$162,500 		5,000 -2.7% 32.50 US$162,500
2021-06-03 2021-06-03 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
5,000 -2.7%
30.00
US$150,000 		5,000 -2.7% 30.00 US$150,000
2021-06-03 2021-06-03 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
5,000 -2.6%
31.35
US$156,750 		5,000 -2.6% 31.35 US$156,750
2021-06-03 2021-06-02 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
5,000 -2.5%
28.00
US$140,000 		5,000 -2.5% 28.00 US$140,000
2021-06-03 2021-06-02 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
5,000 -15.6%
43.00
US$215,000 		5,000 -15.6% 43.00 US$215,000
2021-06-03 2021-06-02 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
5,000 -13.5%
30.00
US$150,000 		5,000 -13.5% 30.00 US$150,000
2021-06-03 2021-06-02 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
8,221 -1.0%
29.63
US$243,588 		8,221 -1.0% 29.63 US$243,588
2021-06-03 2021-06-02 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
10,000 -1.3%
28.18
US$281,800 		10,000 -1.3% 28.18 US$281,800
2021-06-03 2021-06-02 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
25,000 -3.1%
26.11
US$652,750 		25,000 -3.1% 26.11 US$652,750
2021-06-03 2021-06-02 S Sale
4.1
Koss Michael J Jr

VP - Marketing & Product

Officer
10,000 -21.7%
40.51
US$405,100 		10,000 -21.7% 40.51 US$405,100
2021-06-03 2021-06-01 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
5,000 -2.5%
25.00
US$125,000 		5,000 -2.5% 25.00 US$125,000
2021-06-03 2021-06-01 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
11,779 -1.5%
25.04
US$294,946 		11,779 -1.5% 25.04 US$294,946
2021-06-01 2021-05-28 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
10,000 -4.7%
23.50
US$235,000 		10,000 -4.7% 23.50 US$235,000
2021-05-28 2021-05-26 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
9,000 -1.1%
21.26
US$191,340 		9,000 -1.1% 21.26 US$191,340
2021-05-19 2021-05-18 S Sale
3.6
Doerr Thomas L.
Non-Executive Director
3,333 -100.0%
18.83
US$62,760 		3,333 -100.0% 18.83 US$62,760
2021-04-05 2021-04-01 PlS Planned sale
3.8
Smith David Donnan

Chief Financial Officer

Officer
5,500 -100.0%
24.24
US$133,320 		5,500 -100.0% 24.24 US$133,320
2021-04-05 2021-04-01 PlS Planned sale
3.8
Smith David Donnan

Chief Financial Officer

Officer
10,500 -65.6%
22.12
US$232,260 		10,500 -65.6% 22.12 US$232,260
2021-03-16 2021-03-12 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
4,122 -10.0%
29.99
US$123,619 		4,122 -10.0% 29.99 US$123,619
2021-03-12 2021-03-10 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
4,000 -1.8%
36.72
US$146,880 		4,000 -1.8% 36.72 US$146,880
2021-03-12 2021-03-10 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
5,000 -2.2%
30.00
US$150,000 		5,000 -2.2% 30.00 US$150,000
2021-03-12 2021-03-10 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
10,000 -4.2%
27.95
US$279,500 		10,000 -4.2% 27.95 US$279,500
2021-03-12 2021-03-10 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
10,000 -19.6%
38.05
US$380,500 		10,000 -19.6% 38.05 US$380,500
2021-03-12 2021-03-10 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
4,000 -7.3%
29.10
US$116,400 		4,000 -7.3% 29.10 US$116,400
2021-03-12 2021-03-10 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
10,000 -1.3%
29.00
US$290,000 		10,000 -1.3% 29.00 US$290,000
2021-03-12 2021-03-10 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
5,000 -0.6%
39.90
US$199,500 		5,000 -0.6% 39.90 US$199,500
2021-03-12 2021-03-10 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
20,000 -2.4%
37.72
US$754,400 		20,000 -2.4% 37.72 US$754,400
2021-03-12 2021-03-10 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
20,000 -2.4%
26.85
US$537,000 		20,000 -2.4% 26.85 US$537,000
2021-03-12 2021-03-10 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
10,000 -4.1%
25.22
US$252,200 		10,000 -4.1% 25.22 US$252,200
2021-03-02 2021-03-01 PlS Planned sale
3.8
Smith David Donnan

Chief Financial Officer

Officer
1,000 -100.0%
17.01
US$17,010 		1,000 -100.0% 17.01 US$17,010
2021-03-02 2021-03-01 PlS Planned sale
3.8
Smith David Donnan

Chief Financial Officer

Officer
23,000 -95.8%
16.50
US$379,500 		23,000 -95.8% 16.50 US$379,500
2021-03-02 2021-03-01 PlS Planned sale
3.4
LILLIE LENORE

VP - Operations

Officer
22,450 -100.0%
16.50
US$370,425 		22,450 -100.0% 16.50 US$370,425
2021-02-26 2021-02-25 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
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 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
10,000 -1.3%
23.51
US$235,100 		10,000 -1.3% 23.51 US$235,100
2021-02-26 2021-02-25 S Sale
4.1
Koss Michael J Jr

VP - Marketing & Product

Officer
11,000 -19.3%
32.89
US$361,790 		11,000 -19.3% 32.89 US$361,790
2021-02-26 2021-02-25 S Sale
4.1
Koss Michael J Jr

VP - Marketing & Product

Officer
4,000 -6.6%
31.25
US$125,000 		4,000 -6.6% 31.25 US$125,000
2021-02-26 2021-02-25 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
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 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
10,000 -1.3%
23.51
US$235,100 		10,000 -1.3% 23.51 US$235,100
2021-02-26 2021-02-25 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
10,000 -15.4%
32.50
US$325,000 		10,000 -15.4% 32.50 US$325,000
2021-02-26 2021-02-25 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
10,000 -1.2%
32.50
US$325,000 		10,000 -1.2% 32.50 US$325,000
2021-02-26 2021-02-25 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
25,000 -3.0%
30.23
US$755,750 		25,000 -3.0% 30.23 US$755,750
2021-02-26 2021-02-25 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
10,000 -3.8%
30.13
US$301,300 		10,000 -3.8% 30.13 US$301,300
2021-02-05 2021-02-04 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
5,000 -1.8%
24.00
US$120,000 		5,000 -1.8% 24.00 US$120,000
2021-02-05 2021-02-03 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
11,000 -14.5%
27.13
US$298,430 		11,000 -14.5% 27.13 US$298,430
2021-02-05 2021-02-03 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
5,000 -6.2%
26.00
US$130,000 		5,000 -6.2% 26.00 US$130,000
2021-02-05 2021-02-03 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
20,000 -2.4%
26.58
US$531,600 		20,000 -2.4% 26.58 US$531,600
2021-02-05 2021-02-03 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
10,000 -3.6%
25.44
US$254,400 		10,000 -3.6% 25.44 US$254,400
2021-02-05 2021-02-02 S Sale
3.4
Nancy Koss 2012 Trust, Dated 12/20/12
Large shareholder
30,000 -3.8%
19.84
US$595,200 		30,000 -3.8% 19.84 US$595,200
2021-02-03 2021-02-02 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
30,000 -3.8%
19.84
US$595,200 		30,000 -3.8% 19.84 US$595,200
2021-02-03 2021-02-02 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
5,133 -1.8%
18.07
US$92,753 		5,133 -1.8% 18.07 US$92,753
2021-02-03 2021-02-02 S Sale
4.2
KOSS JOHN C JR

Vice President - Sales

Officer Large shareholder
35,000 -10.9%
23.56
US$824,600 		35,000 -10.9% 23.56 US$824,600
2021-02-03 2021-02-02 S Sale
4.0
KOSS MICHAEL J

President and CEO

Executive Director Large shareholder
30,000 -3.8%
19.84
US$595,200 		30,000 -3.8% 19.84 US$595,200
2021-02-03 2021-02-02 S Sale
3.4
LILLIE LENORE

VP - Operations

Officer
27,500 -100.0%
18.20
US$500,500 		27,500 -100.0% 18.20 US$500,500
2021-02-03 2021-02-02 S Sale
3.4
LILLIE LENORE

VP - Operations

Officer
2,588 -8.6%
19.98
US$51,708 		2,588 -8.6% 19.98 US$51,708
2021-02-03 2021-02-02 S Sale
3.4
LILLIE LENORE

VP - Operations

Officer
3,000 -9.1%
21.60
US$64,800 		3,000 -9.1% 21.60 US$64,800
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