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Research Frontiers receives Nasdaq deficiency notices for bid price and market value

Research Frontiers Incorporated received two deficiency notification letters from Nasdaq on June 2, 2026, for failing to meet the $1.00 minimum bid price requirement and the $35 million minimum Market Value of Listed Securities requirement for continued listing on The Nasdaq Capital Market. The company has 180 calendar days, or until November 30, 2026, to regain compliance with both requirements. Trading of the company's common stock under symbol REFR will continue on The Nasdaq Capital Market during the compliance period.

Key facts

  • Notification date: June 2, 2026
  • Minimum bid price requirement: $1.00 per share
  • Minimum MVLS requirement: $35 million
  • Closing bid price measurement period: April 15, 2026 to June 1, 2026
  • MVLS measurement period: April 20, 2026 to June 1, 2026
  • Compliance deadline: November 30, 2026
  • Compliance cure threshold (bid price): at least $1.00 per share for ten consecutive business days
  • Compliance cure threshold (MVLS): $35 million or more for ten consecutive business days
  • Stock symbol: REFR
  • Exchange: The Nasdaq Capital Market

Why it matters

The deficiency notices indicate the company has fallen below Nasdaq's continued listing standards and faces potential delisting if it cannot regain compliance within the six-month cure period, though no delisting determination has yet been issued.

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Derived from 8-K filed 2026-06-05. Not investment advice. View the source filing on SEC.gov →