Koss Corporation

KOSSNASDAQTechnology● Active

$4.09

+$0.11(+2.76%)

Market Cap$38717731

P/E Ratio—

52W High$8.59

52W Low$3.5

Avg Volume26K

Open$3.96

Beta1.65

Insider Trades Ownership Employees

Koss Corporation (KOSS) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · KOSS · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.20

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 17%Active transactions only · RSU vesting excluded83% Sell ↓

Koss Corporation insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

KOSS insider buying and selling by quarter

KOSS insider selling · KOSS insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

161K81K0

2022 Q2

2022 Q4

2024 Q2

2024 Q4

2025 Q2

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · KOSS ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

KOSS executive sell shares · KOSS board member insider trading · KOSS insider trading SEC filing

Showing 67 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Feb 17, 2026	KOSS MICHAEL J President and CEO · Director	Other	12,000	—	—	0	Form 4
Dec 2, 2025	LILLIE LENORE Director	Purchase	2,500	$4.96	$12K	2,500	Form 4
Jun 10, 2025	KOSS JOHN C JR Vice President - Sales	Option	25,000	$1.90	$48K	221,028	Form 4
Jun 11, 2025	KOSS JOHN C JR Vice President - Sales	Option	23,500	$1.90	$45K	219,528	Form 4
Jun 12, 2025	KOSS JOHN C JR Vice President - Sales	Option	1,500	$1.90	$3K	197,528	Form 4
Jun 12, 2025	KOSS JOHN C JR Vice President - Sales	Sale	1,500	$5.02	$8K	196,028	Form 4
Jun 10, 2025	KOSS JOHN C JR Vice President - Sales	Sale	25,000	$5.80	$145K	196,028	Form 4
Jun 11, 2025	KOSS JOHN C JR Vice President - Sales	Sale	23,500	$5.65	$133K	196,028	Form 4
Jun 13, 2025	Koss Michael J Jr VP - Marketing & Product	Option	24,643	$1.90	$47K	50,643	Form 4
Jun 12, 2025	Koss Michael J Jr VP - Marketing & Product	Option	6,000	$1.90	$11K	32,000	Form 4
Jun 12, 2025	Koss Michael J Jr VP - Marketing & Product	Sale	6,000	$4.91	$29K	26,000	Form 4
Jun 13, 2025	Koss Michael J Jr VP - Marketing & Product	Sale	24,643	$4.78	$118K	26,000	Form 4
Dec 12, 2024	KOSS JOHN C JR Vice President - Sales	Option	25,000	$1.90	$48K	221,028	Form 4
Dec 12, 2024	KOSS JOHN C JR Vice President - Sales	Sale	25,000	$7.39	$185K	196,028	Form 4
May 30, 2024	KOSS MICHAEL J President and CEO · Director	Other	15,000	—	—	12,000	Form 4
May 20, 2024	KOSS JOHN C JR Vice President - Sales	Option	25,000	$2.17	$54K	221,028	Form 4
May 20, 2024	KOSS JOHN C JR Vice President - Sales	Sale	25,000	$5.25	$131K	196,028	Form 4
Mar 23, 2022	Koss Family Trust, Dated 9/11/12 Director	Other	1,000,885	—	—	0	Form 4
Mar 23, 2022	KFT Corp Director	Other	983,800	—	—	0	Form 4
Jun 2, 2022	Sweasy William Jesse Director	Purchase	2,847	$7.30	$21K	20,000	Form 4
Mar 23, 2022	KOSS MICHAEL J President and CEO	Other	2,696,634	—	—	2,696,634	Form 4
Mar 23, 2022	KOSS MICHAEL J President and CEO · Director	Other	983,800	—	—	0	Form 4
Mar 23, 2022	KOSS JOHN C JR Vice President - Sales	Other	983,800	—	—	0	Form 4
Jun 1, 2022	Sweasy William Jesse Director	Purchase	17,153	$6.96	$119K	17,153	Form 4
Nov 2, 2021	Smith David Donnan CFO	Option	10,000	$2.63	$26K	10,000	Form 4

KOSS MICHAEL J

President and CEO · Director

Other

Date

Feb 17

12,000

Price

—

Value

—

View Form 4 on SEC.gov

LILLIE LENORE

Director

Purchase

Date

Dec 2

2,500

Price

$4.96

Value

$12K

View Form 4 on SEC.gov

KOSS JOHN C JR

Vice President - Sales

Option

Date

Jun 10

25,000

Price

$1.90

Value

$48K

View Form 4 on SEC.gov

KOSS JOHN C JR

Vice President - Sales

Option

Date

Jun 11

23,500

Price

$1.90

Value

$45K

View Form 4 on SEC.gov

KOSS JOHN C JR

Vice President - Sales

Option

Date

Jun 12

1,500

Price

$1.90

Value

$3K

View Form 4 on SEC.gov

KOSS JOHN C JR

Vice President - Sales

Sale

Date

Jun 12

1,500

Price

$5.02

Value

$8K

View Form 4 on SEC.gov

KOSS JOHN C JR

Vice President - Sales

Sale

Date

Jun 10

25,000

Price

$5.80

Value

$145K

View Form 4 on SEC.gov

KOSS JOHN C JR

Vice President - Sales

Sale

Date

Jun 11

23,500

Price

$5.65

Value

$133K

View Form 4 on SEC.gov

Koss Michael J Jr

VP - Marketing & Product

Option

Date

Jun 13

24,643

Price

$1.90

Value

$47K

View Form 4 on SEC.gov

Koss Michael J Jr

VP - Marketing & Product

Option

Date

Jun 12

6,000

Price

$1.90

Value

$11K

View Form 4 on SEC.gov

Koss Michael J Jr

VP - Marketing & Product

Sale

Date

Jun 12

6,000

Price

$4.91

Value

$29K

View Form 4 on SEC.gov

Koss Michael J Jr

VP - Marketing & Product

Sale

Date

Jun 13

24,643

Price

$4.78

Value

$118K

View Form 4 on SEC.gov

KOSS JOHN C JR

Vice President - Sales

Option

Date

Dec 12

25,000

Price

$1.90

Value

$48K

View Form 4 on SEC.gov

KOSS JOHN C JR

Vice President - Sales

Sale

Date

Dec 12

25,000

Price

$7.39

Value

$185K

View Form 4 on SEC.gov

KOSS MICHAEL J

President and CEO · Director

Other

Date

May 30

15,000

Price

—

Value

—

View Form 4 on SEC.gov

KOSS JOHN C JR

Vice President - Sales

Option

Date

May 20

25,000

Price

$2.17

Value

$54K

View Form 4 on SEC.gov

KOSS JOHN C JR

Vice President - Sales

Sale

Date

May 20

25,000

Price

$5.25

Value

$131K

View Form 4 on SEC.gov

Koss Family Trust, Dated 9/11/12

Director

Other

Date

Mar 23

1,000,885

Price

—

Value

—

View Form 4 on SEC.gov

KFT Corp

Director

Other

Date

Mar 23

983,800

Price

—

Value

—

View Form 4 on SEC.gov

Sweasy William Jesse

Director

Purchase

Date

Jun 2

2,847

Price

$7.30

Value

$21K

View Form 4 on SEC.gov

KOSS MICHAEL J

President and CEO

Other

Date

Mar 23

2,696,634

Price

—

Value

—

View Form 4 on SEC.gov

KOSS MICHAEL J

President and CEO · Director

Other

Date

Mar 23

983,800

Price

—

Value

—

View Form 4 on SEC.gov

KOSS JOHN C JR

Vice President - Sales

Other

Date

Mar 23

983,800

Price

—

Value

—

View Form 4 on SEC.gov

Sweasy William Jesse

Director

Purchase

Date

Jun 1

17,153

Price

$6.96

Value

$119K

View Form 4 on SEC.gov

Smith David Donnan

CFO

Option

Date

Nov 2

10,000

Price

$2.63

Value

$26K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 3

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About KOSS insider trading

KOSS insider trades

Koss Corporation (KOSS) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including KOSS JOHN C JR (Vice President - Sales), Koss Michael J Jr (VP - Marketing & Product), KOSS MICHAEL J (President and CEO · Director). Over the past 12 months, 4 insiders have filed transactions with the SEC. KOSS insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Koss Corporation's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

KOSS insider trading · 5 questions

The insiders of Koss Corporation (KOSS) include executives and directors such as KOSS JOHN C JR (Vice President - Sales), Koss Michael J Jr (VP - Marketing & Product), KOSS MICHAEL J (President and CEO · Director), among others. Over the past 12 months, 4 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

KOSS board member insider tradingwho are KOSS insidersKOSS insider rosterKoss Corporation executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026