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Koss Corporation (KOSS)

Name: Koss Corporation (KOSS) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Industry · SEC CIK 0000056701 · EDGAR filings · Updated 2026-05-08

Koss Corporation (KOSS) has reported institutional ownership of 5.1%, with 23 institutional managers holding positions valued at $1.68M per the latest 13F reporting period.

Institutional ownership

5.1%

Institutional managers

Reported 13F value

$1.68M

Insider activity

12 trans.

−$420.2K net selling

Latest updates

2026-05-08 — Insider transaction reported (Form 4)
2026-05-08 — Insider transaction reported (Form 4)
2026-05-08 — SD filed
2026-05-08 — Quarterly report (10-Q) filed
2026-05-07 — Current report (8-K) filed
2026-02-17 — Insider transaction reported (Form 4)

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, Koss Corporation has 23 institutional holders and institutional ownership of 5.1%.

Insider activity

Insiders reported 12 transactions (1 buys, 5 sells) across 4 reporting insiders, with a net reported value of −$420.2K.

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See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-05-08.