The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 6, 2026 | Koss Michael J Jr | Executive Vice President | Grant(A) | 100K | — | $0 |
| May 6, 2026 | Schulte Kim M. | Chief Financial Officer | Grant(A) | 50K | — | $0 |
| Feb 17, 2026 | Koss Michael J | President and CEO, Director, 10% Owner | Other(J) | 12K | — | $0 |
| Dec 2, 2025 | Lillie Lenore | Director | Buy(P) | 3K | $4.96 | $12K |
| Jun 13, 2025 | Koss Michael J Jr | VP - Marketing & Product | Sell(S) | 25K | $4.78 | $118K |
| Jun 13, 2025 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 25K | $1.90 | $47K |
| Jun 13, 2025 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 25K | — | $0 |
| Jun 12, 2025 | Koss Michael J Jr | VP - Marketing & Product | Sell(S) | 6K | $4.91 | $29K |
| Jun 12, 2025 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 6K | $1.90 | $11K |
| Jun 12, 2025 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 6K | — | $0 |
| Jun 12, 2025 | Koss John C JR | Vice President - Sales | Option exercise(M) | 2K | $1.90 | $3K |
| Jun 12, 2025 | Koss John C JR | Vice President - Sales | Sell(S) | 2K | $5.02 | $8K |
| Jun 12, 2025 | Koss John C JR | Vice President - Sales | Option exercise(M) | 2K | — | $0 |
| Jun 11, 2025 | Koss John C JR | Vice President - Sales | Option exercise(M) | 24K | $1.90 | $45K |
| Jun 11, 2025 | Koss John C JR | Vice President - Sales | Sell(S) | 24K | $5.65 | $133K |
| Jun 11, 2025 | Koss John C JR | Vice President - Sales | Option exercise(M) | 24K | — | $0 |
| Jun 10, 2025 | Koss John C JR | Vice President - Sales | Sell(S) | 25K | $5.80 | $145K |
| Jun 10, 2025 | Koss John C JR | Vice President - Sales | Option exercise(M) | 25K | $1.90 | $48K |
| Jun 10, 2025 | Koss John C JR | Vice President - Sales | Option exercise(M) | 25K | — | $0 |
| Dec 12, 2024 | Koss John C JR | Vice President - Sales | Sell(S) | 25K | $7.39 | $185K |
| Dec 12, 2024 | Koss John C JR | Vice President - Sales | Option exercise(M) | 25K | $1.90 | $48K |
| Dec 12, 2024 | Koss John C JR | Vice President - Sales | Option exercise(M) | 25K | — | $0 |
| May 30, 2024 | Koss Michael J | President and CEO, Director, 10% Owner | Other(J) | 15K | — | $0 |
| May 20, 2024 | Koss John C JR | Vice President - Sales | Option exercise(M) | 25K | $2.17 | $54K |
| May 20, 2024 | Koss John C JR | Vice President - Sales | Sell(S) | 25K | $5.25 | $131K |
| May 20, 2024 | Koss John C JR | Vice President - Sales | Option exercise(M) | 25K | — | $0 |
| Jun 2, 2022 | Sweasy William Jesse | Director | Buy(P) | 3K | $7.30 | $21K |
| Jun 1, 2022 | Sweasy William Jesse | Director | Buy(P) | 17K | $6.96 | $119K |
| Mar 23, 2022 | Koss John C JR | Vice President - Sales | Voting trust(Z) | 984K | — | $0 |
| Mar 23, 2022 | Koss John C JR | Vice President - Sales | Voting trust(Z) | 708K | — | $0 |
| Mar 23, 2022 | Koss John C JR | Vice President - Sales | Voting trust(Z) | 1.0M | — | $0 |
| Mar 23, 2022 | Koss Michael J | President and CEO, Director, 10% Owner | Voting trust(Z) | 984K | — | $0 |
| Mar 23, 2022 | Koss Michael J | President and CEO, Director, 10% Owner | Voting trust(Z) | 2.7M | — | $0 |
| Mar 23, 2022 | Koss Michael J | President and CEO, Director, 10% Owner | Voting trust(Z) | 1.0M | — | $0 |
| Mar 23, 2022 | Koss Michael J | President and CEO, Director, 10% Owner | Voting trust(Z) | 708K | — | $0 |
| Mar 23, 2022 | KFT Corp | 10% Owner | Voting trust(Z) | 984K | — | $0 |
| Mar 23, 2022 | Koss Family Trust, Dated 9/11/12 | 10% Owner | Voting trust(Z) | 1.0M | — | $0 |
| Nov 2, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 10K | $2.63 | $26K |
| Nov 2, 2021 | Smith David Donnan | Chief Financial Officer | Sell(S) | 10K | $15.54 | $155K |
| Nov 2, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Sep 15, 2021 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 9K | $2.17 | $20K |
| Sep 15, 2021 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 15K | $2.92 | $44K |
| Sep 15, 2021 | Koss Michael J Jr | VP - Marketing & Product | Sell(S) | 24K | $17.74 | $427K |
| Sep 15, 2021 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 15K | — | $0 |
| Sep 15, 2021 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 9K | — | $0 |
| Sep 1, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 780 | $1.95 | $2K |
| Sep 1, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Sell(S) | 780 | $18.75 | $15K |
| Sep 1, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 780 | — | $0 |
| Aug 31, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Sell(S) | 9K | $18.51 | $171K |
| Aug 31, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 9K | $1.95 | $18K |
| Aug 31, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 9K | — | $0 |
| Aug 31, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 10K | $1.90 | $19K |
| Aug 31, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Sell(S) | 10K | $18.38 | $184K |
| Aug 31, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 10K | — | $0 |
| Aug 30, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Sell(S) | 5K | $18.28 | $99K |
| Aug 30, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 5K | $1.95 | $11K |
| Aug 30, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 5K | — | $0 |
| Aug 30, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 5K | $1.90 | $10K |
| Aug 30, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Sell(S) | 5K | $18.26 | $91K |
| Aug 30, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 5K | — | $0 |
| Aug 27, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Sell(S) | 5K | $18.06 | $83K |
| Aug 27, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 5K | $1.95 | $9K |
| Aug 27, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 5K | — | $0 |
| Aug 27, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 10K | $1.90 | $19K |
| Aug 27, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Sell(S) | 10K | $18.06 | $181K |
| Aug 27, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 10K | — | $0 |
| Aug 26, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Sell(S) | 9K | $18.33 | $156K |
| Aug 26, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 9K | $1.95 | $17K |
| Aug 26, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 9K | — | $0 |
| Aug 25, 2021 | Koss Michael J Jr | VP - Marketing & Product | Sell(S) | 30K | $18.01 | $540K |
| Aug 25, 2021 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 15K | $1.95 | $29K |
| Aug 25, 2021 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 15K | $1.90 | $29K |
| Aug 25, 2021 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 15K | — | $0 |
| Aug 25, 2021 | Koss Michael J Jr | VP - Marketing & Product | Option exercise(M) | 15K | — | $0 |
| Aug 24, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 17K | $1.95 | $32K |
| Aug 24, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Sell(S) | 17K | $19.74 | $326K |
| Aug 24, 2021 | Koss Michael J | President and CEO, Director, 10% Owner | Option exercise(M) | 17K | — | $0 |
| Aug 24, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Sell(S) | 25K | $20.06 | $502K |
| Aug 24, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Sell(S) | 14K | $18.27 | $251K |
| Aug 24, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Sell(S) | 36K | $17.40 | $631K |
| Aug 24, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 25K | $2.17 | $54K |
| Aug 24, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 25K | $1.95 | $49K |
| Aug 24, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 25K | $2.92 | $73K |
| Aug 24, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 25K | — | $0 |
| Aug 24, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 25K | — | $0 |
| Aug 24, 2021 | Koss John C JR | Vice President - Sales, 10% Owner | Option exercise(M) | 25K | — | $0 |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Sell(S) | 110K | $17.64 | $1.9M |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 10K | $1.73 | $17K |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 10K | $2.20 | $22K |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 22K | $2.57 | $57K |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 48K | $3.00 | $144K |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 10K | $1.97 | $20K |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 10K | $2.63 | $26K |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 48K | — | $0 |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Aug 24, 2021 | Smith David Donnan | Chief Financial Officer | Option exercise(M) | 22K | — | $0 |
| Jul 1, 2021 | Lillie Lenore | VP - Operations | Option exercise(M) | 6K | $1.97 | $12K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: Koss Corp, SEC CIK 0000056701. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under KOSS and shows every filing by that issuer.
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for KOSS