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KOSS CORP

KOSS Net selling
CIK 0000056701 #4878 in the set updated 21 Sep 2026
Bought (120 mo)
$211.19K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$74.63M
$0.00 on a plan · $60.00M straight out of an exercise
Sold at will
$14.64M
40 of 144 sales
Net
−$74.42M
−$14.42M against sales at will

By person

12 insiders · 157 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
KOSS JOHN C JR
Vice President - Sales
—
$24.22M (48) scheduled
−$24.22M
2,913,959
30.78%
$14.45M
−51.6%
KOSS MICHAEL J
President and CEO
$7.02K (5)
$22.23M (39) scheduled
−$22.22M
4,744,874
50.12%
$23.53M
−7.6%
Smith David Donnan
Chief Financial Officer
—
$10.15M (16) scheduled
−$10.15M
31
0.0003%
$153.76
−99.9%
Koss Michael J Jr
Executive Vice President
—
$6.16M (12) scheduled
−$6.16M
26,011
0.2748%
$129.01K
+1,193%
LILLIE LENORE
Director
$12.40K (1)
$5.24M (17) scheduled
−$5.23M
32,522
0.3436%
$161.31K
−35.1%
Nancy Koss 2012 Trust, Dated 12/20/12 entity
10% owner
—
$3.56M (5)
−$3.56M
757,949
8.01%
$3.76M
−11.7%
Nixon Theodore
Director
—
$1.55M (2)
−$1.55M
0
0.0000%
$0.00
−100.0%
Sweasy William Jesse
Director
$181.17K (6)
$800.00K (1)
−$618.83K
20,000
0.2113%
$99.20K
—
Leveen Steven A
Director
$10.60K (1)
$390.25K (2)
−$379.65K
0
0.0000%
$0.00
−100.0%
Doerr Thomas L.
Director
—
$342.91K (2) scheduled
−$342.91K
0
0.0000%
$0.00
—
Koss Family Trust, Dated 9/11/12 entity
10% owner
—
—
—
0
0.0000%
$0.00
−100.0%
KFT Corp entity
10% owner
—
—
—
0
0.0000%
$0.00
−100.0%

Individual transactions

104
Insider
Date
Role
Action
Shares
Price
Amount
Koss Michael J Jr
13 Jun 2025
VP - Marketing & Product
Sold after exercise
24,643
$4.78
$117.79K
Koss Michael J Jr
12 Jun 2025
VP - Marketing & Product
Sold after exercise
6,000
$4.91
$29.46K
KOSS JOHN C JR
12 Jun 2025
Vice President - Sales
Sold after exercise
1,500
$5.02
$7.53K
KOSS JOHN C JR
11 Jun 2025
Vice President - Sales
Sold after exercise
23,500
$5.65
$132.78K
KOSS JOHN C JR
10 Jun 2025
Vice President - Sales
Sold after exercise
25,000
$5.80
$145.00K
KOSS JOHN C JR
12 Dec 2024
Vice President - Sales
Sold after exercise
25,000
$7.39
$184.73K
KOSS JOHN C JR
20 May 2024
Vice President - Sales
Sold after exercise
25,000
$5.25
$131.25K
Smith David Donnan
2 Nov 2021
Chief Financial Officer
Sold after exercise
10,000
$15.54
$155.40K
Koss Michael J Jr
15 Sep 2021
VP - Marketing & Product
Sold after exercise
24,089
$17.74
$427.34K
KOSS MICHAEL J
1 Sep 2021
President and CEO
Sold after exercise
780
$18.75
$14.63K
KOSS MICHAEL J
31 Aug 2021
President and CEO
Sold after exercise
9,220
$18.51
$170.66K
KOSS JOHN C JR
31 Aug 2021
Vice President - Sales
Sold after exercise
10,000
$18.38
$183.80K
KOSS JOHN C JR
30 Aug 2021
Vice President - Sales
Sold after exercise
5,000
$18.26
$91.30K
KOSS MICHAEL J
30 Aug 2021
President and CEO
Sold after exercise
5,400
$18.28
$98.71K
KOSS JOHN C JR
27 Aug 2021
Vice President - Sales
Sold after exercise
10,000
$18.06
$180.60K
KOSS MICHAEL J
27 Aug 2021
President and CEO
Sold after exercise
4,600
$18.06
$83.08K
KOSS MICHAEL J
26 Aug 2021
President and CEO
Sold after exercise
8,500
$18.33
$155.81K
Koss Michael J Jr
25 Aug 2021
VP - Marketing & Product
Sold after exercise
30,000
$18.01
$540.30K
KOSS MICHAEL J
24 Aug 2021
President and CEO
Sold after exercise
16,500
$19.74
$325.71K
KOSS JOHN C JR
24 Aug 2021
Vice President - Sales
Sold after exercise
25,000
$20.06
$501.50K
KOSS JOHN C JR
24 Aug 2021
Vice President - Sales
Sold after exercise
13,737
$18.27
$250.97K
KOSS JOHN C JR
24 Aug 2021
Vice President - Sales
Sold after exercise
36,263
$17.40
$630.98K
Smith David Donnan
24 Aug 2021
Chief Financial Officer
Sold after exercise
110,000
$17.64
$1.94M
LILLIE LENORE
1 Jul 2021
VP - Operations
Sold after exercise
15,000
$22.27
$334.05K
Smith David Donnan
1 Jul 2021
Chief Financial Officer
Sold after exercise
7,500
$23.00
$172.50K
Smith David Donnan
1 Jul 2021
Chief Financial Officer
Sold after exercise
42,500
$22.05
$937.13K
KOSS MICHAEL J
2 Jun 2021
President and CEO
Sold after exercise indirect
5,000
$43.00
$215.00K
KOSS MICHAEL J
2 Jun 2021
President and CEO
Sold after exercise indirect
5,000
$30.00
$150.00K
KOSS MICHAEL J
2 Jun 2021
President and CEO
Sold after exercise
8,221
$29.63
$243.59K
KOSS MICHAEL J
2 Jun 2021
President and CEO
Sold after exercise
10,000
$28.18
$281.80K
KOSS MICHAEL J
2 Jun 2021
President and CEO
Sold after exercise
25,000
$26.11
$652.75K
KOSS MICHAEL J
1 Jun 2021
President and CEO
Sold after exercise
11,779
$25.04
$294.95K
Nixon Theodore
28 May 2021
Director
Sold after exercise
10,000
$23.58
$235.80K
Doerr Thomas L.
18 May 2021
Director
Sold after exercise
3,333
$18.83
$62.76K
Smith David Donnan
1 Apr 2021
Chief Financial Officer
Sold after exercise
5,500
$24.24
$133.32K
Smith David Donnan
1 Apr 2021
Chief Financial Officer
Sold after exercise
10,500
$22.12
$232.26K
LILLIE LENORE
1 Apr 2021
VP - Operations
Sold after exercise
4,500
$22.12
$99.54K
LILLIE LENORE
1 Apr 2021
VP - Operations
Sold after exercise
3,050
$24.39
$74.39K
KOSS MICHAEL J
10 Mar 2021
President and CEO
Sold after exercise indirect
10,000
$38.05
$380.50K
KOSS MICHAEL J
10 Mar 2021
President and CEO
Sold after exercise indirect
4,000
$29.10
$116.40K
KOSS MICHAEL J
10 Mar 2021
President and CEO
Sold after exercise
10,000
$29.00
$290.00K
KOSS MICHAEL J
10 Mar 2021
President and CEO
Sold after exercise
5,000
$39.90
$199.50K
KOSS MICHAEL J
10 Mar 2021
President and CEO
Sold after exercise
20,000
$37.72
$754.40K
KOSS MICHAEL J
10 Mar 2021
President and CEO
Sold after exercise
20,000
$26.85
$537.00K
LILLIE LENORE
1 Mar 2021
VP - Operations
Sold after exercise
22,450
$16.50
$370.43K
Smith David Donnan
1 Mar 2021
Chief Financial Officer
Sold after exercise
1,000
$17.01
$17.01K
Smith David Donnan
1 Mar 2021
Chief Financial Officer
Sold after exercise
23,000
$16.50
$379.50K
KOSS MICHAEL J
25 Feb 2021
President and CEO
Sold after exercise indirect
40,000
$27.06
$1.08M
KOSS MICHAEL J
25 Feb 2021
President and CEO
Sold after exercise indirect
10,000
$23.51
$235.10K
KOSS MICHAEL J
25 Feb 2021
President and CEO
Sold after exercise indirect
10,000
$32.50
$325.00K
KOSS MICHAEL J
25 Feb 2021
President and CEO
Sold after exercise
10,000
$32.50
$325.00K
KOSS MICHAEL J
25 Feb 2021
President and CEO
Sold after exercise
25,000
$30.23
$755.75K
Koss Michael J Jr
25 Feb 2021
VP - Marketing & Product
Sold after exercise
11,000
$32.89
$361.79K
Koss Michael J Jr
25 Feb 2021
VP - Marketing & Product
Sold after exercise
4,000
$31.25
$125.00K
Koss Michael J Jr
2 Feb 2021
VP - Marketing & Product
Sold after exercise
13,948
$25.98
$362.37K
LILLIE LENORE
2 Feb 2021
VP - Operations
Sold after exercise
27,500
$18.20
$500.50K
LILLIE LENORE
2 Feb 2021
VP - Operations
Sold after exercise
2,588
$19.98
$51.71K
LILLIE LENORE
2 Feb 2021
VP - Operations
Sold after exercise
3,000
$21.60
$64.80K
LILLIE LENORE
2 Feb 2021
VP - Operations
Sold after exercise
1,000
$23.44
$23.44K
LILLIE LENORE
2 Feb 2021
VP - Operations
Sold after exercise
1,000
$26.97
$26.97K
KOSS MICHAEL J
1 Feb 2021
President and CEO
Sold after exercise indirect
34,000
$60.00
$2.04M
KOSS MICHAEL J
1 Feb 2021
President and CEO
Sold after exercise indirect
20,000
$35.01
$700.20K
KOSS MICHAEL J
1 Feb 2021
President and CEO
Sold after exercise indirect
20,000
$41.81
$836.20K
KOSS MICHAEL J
1 Feb 2021
President and CEO
Sold after exercise indirect
5,000
$44.00
$220.00K
KOSS MICHAEL J
1 Feb 2021
President and CEO
Sold after exercise indirect
25,000
$48.26
$1.21M
KOSS MICHAEL J
1 Feb 2021
President and CEO
Sold after exercise
25,000
$37.56
$939.00K
KOSS MICHAEL J
1 Feb 2021
President and CEO
Sold after exercise
39,000
$39.02
$1.52M
KOSS MICHAEL J
1 Feb 2021
President and CEO
Sold after exercise
86,000
$39.61
$3.41M
KOSS MICHAEL J
1 Feb 2021
President and CEO
Sold after exercise
10,000
$41.55
$415.50K
KOSS MICHAEL J
1 Feb 2021
President and CEO
Sold after exercise
30,000
$46.12
$1.38M
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise indirect
20,000
$35.01
$700.20K
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise indirect
20,000
$41.81
$836.20K
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise indirect
5,000
$44.00
$220.00K
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise indirect
25,000
$48.26
$1.21M
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise indirect
17,779
$49.47
$879.53K
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise indirect
10,000
$55.18
$551.80K
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise
10,000
$34.04
$340.40K
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise
25,000
$35.06
$876.50K
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise
43,167
$36.63
$1.58M
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise
16,000
$38.26
$612.16K
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise
47,033
$39.13
$1.84M
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise
35,283
$41.11
$1.45M
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise
96,250
$42.24
$4.07M
KOSS JOHN C JR
1 Feb 2021
Vice President - Sales
Sold after exercise
12,267
$45.62
$559.62K
Koss Michael J Jr
1 Feb 2021
VP - Marketing & Product
Sold after exercise
26,052
$35.07
$913.64K
Koss Michael J Jr
1 Feb 2021
VP - Marketing & Product
Sold after exercise
5,000
$39.40
$197.00K
Koss Michael J Jr
1 Feb 2021
VP - Marketing & Product
Sold after exercise
60,000
$40.58
$2.43M
Smith David Donnan
1 Feb 2021
Chief Financial Officer
Sold after exercise
90,000
$35.83
$3.22M
Smith David Donnan
1 Feb 2021
Chief Financial Officer
Sold after exercise
10,000
$37.18
$371.80K
Smith David Donnan
1 Feb 2021
Chief Financial Officer
Sold after exercise
15,000
$47.65
$714.75K
Smith David Donnan
1 Feb 2021
Chief Financial Officer
Sold after exercise
25,000
$48.26
$1.21M
Smith David Donnan
1 Feb 2021
Chief Financial Officer
Sold after exercise
5,000
$55.50
$277.50K
Smith David Donnan
1 Feb 2021
Chief Financial Officer
Sold after exercise
4,000
$60.05
$240.20K
LILLIE LENORE
1 Feb 2021
VP - Operations
Sold after exercise
55,000
$35.54
$1.95M
LILLIE LENORE
1 Feb 2021
VP - Operations
Sold after exercise
6,000
$46.25
$277.50K
LILLIE LENORE
1 Feb 2021
VP - Operations
Sold after exercise
4,000
$48.26
$193.04K
LILLIE LENORE
1 Feb 2021
VP - Operations
Sold after exercise
12,000
$55.50
$666.00K
LILLIE LENORE
1 Feb 2021
VP - Operations
Sold after exercise
6,000
$56.36
$338.16K
LILLIE LENORE
1 Feb 2021
VP - Operations
Sold after exercise
1,487
$59.54
$88.54K
Doerr Thomas L.
1 Feb 2021
Director
Sold after exercise
6,667
$42.02
$280.15K
Smith David Donnan
25 Jan 2021
Chief Financial Officer
Sold after exercise
24,000
$5.85
$140.40K
LILLIE LENORE
25 Jan 2021
VP - Operations
Sold after exercise
24,000
$4.60
$110.40K
Smith David Donnan
29 Dec 2020
Chief Financial Officer
Sold after exercise
2,000
$5.00
$10.00K
LILLIE LENORE
29 Dec 2020
VP - Operations
Sold after exercise
13,513
$4.72
$63.78K
Show all 157 transactions →

What was left out

Form 4 filings counted 97
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 104
Sales at will 40
Transactions with no price 0
Shares from compensation/vesting 11,765,319
Sales filed before the plan box existed 40
History held since 19 May 2017