KOSS JOHN C JR

PrivateCIK: 1217521
Location

MILWAUKEE, WI

KOSS JOHN C JR (Vice President - Sales) sold 20.3% of their position (50K shares) of KOSS CORP on the open market

Open‑market sale worth $285.3K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderKOSS JOHN C JRCIK 1217521
IssuerKOSS CORPCIK 56701
Officer10% Owner· Vice President - Sales
Since Jul 2018
-50K
Net shares
Net seller
$285.3K
Total sold
3
Open market trades
0B · 3S
9
Total transactions
50K acquired · 100K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+25K

Price / share

$1.90

Trade value

$47.50K

% of position

12.8%
6/10/2025
196.03K221.03K

Common Stock

Direct
S · Sale

Shares

25K

Price / share

$5.80

Trade value

$145K

% of position

11.3%
6/10/2025
221.03K196.03K

Common Stock

Direct
M · Option Exercise

Shares

+23.50K

Price / share

$1.90

Trade value

$44.65K

% of position

12.0%
6/11/2025
196.03K219.53K

Common Stock

Direct
S · Sale

Shares

23.50K

Price / share

$5.65

Trade value

$132.78K

% of position

10.7%
6/11/2025
219.53K196.03K

Common Stock

Direct
M · Option Exercise

Shares

+1.50K

Price / share

$1.90

Trade value

$2.85K

% of position

0.8%
6/12/2025
196.03K197.53K

Common Stock

Direct
S · Sale

Shares

1.50K

Price / share

$5.02

Trade value

$7.53K

% of position

0.8%
6/12/2025
197.53K196.03K
Total

Net shares

+0.00

Net value

-$190.31K

Derivative Transactions3

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

25K shares

Shares

25K

Strike price

1.9

Held after

25K

Exercisable

6/10/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

23.50K shares

Shares

23.50K

Strike price

1.9

Held after

1.50K

Exercisable

6/11/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

1.50K shares

Shares

1.50K

Strike price

1.9

Held after

0.00

Exercisable

6/12/2025
Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect
Shares owned74.15K

Common Stock

Indirect
Shares owned539.33K
Total
613.47K indirect613.47K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
KOSS JOHN C JR — Insider Transaction (Form 4) Filed Jun 17, 2025 | Finecho