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Research Frontiers Incorporated (REFR)

Institutional ownership, SEC filings and insider activity

Sector: Financials · SEC CIK 0000793524 · EDGAR filings · Updated 2026-06-12

Research Frontiers Incorporated (REFR) has reported institutional ownership of 11.0%, with 35 institutional managers holding positions valued at $3.48M per the latest 13F reporting period. SEC filings include an active notice of delisting or failure to satisfy a continued listing rule (8-K Item 3.01).

Latest updates

• 2026-06-12 — Current report (8-K) filed
• 2026-06-05 — Current report (8-K) filed
• 2026-05-08 — Quarterly report (10-Q) filed
• 2026-04-30 — Proxy statement (DEF 14A) filed
• 2026-03-19 — 10-K/A filed
• 2026-03-05 — Annual report (10-K) filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, Research Frontiers Incorporated has 35 institutional holders and institutional ownership of 11.0%.

Insider activity

Insiders reported 0 transactions (0 buys, 0 sells) across 0 reporting insiders, with a net reported value of $0.

Data flags from SEC filings

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