Research Frontiers Disclosed Failure to Satisfy a Continued Listing Rule or Standard

Research Frontiers Inc. (REFR) received Nasdaq deficiency notices on June 2, 2026, for failing to meet the $1.00 minimum bid price and $35 million market value requirements over 30 consecutive days. The company has until November 30, 2026, to regain compliance and does not plan a reverse stock split.

On June 2, 2026, the company received two Nasdaq deficiency notices for failing to meet the $1.00 minimum bid price (Rule 5550(a)(2)) and the $35 million Market Value of Listed Securities (Rule 5550(b)(2)) over 30 consecutive business days. Trading continues on The Nasdaq Capital Market under the symbol REFR, and the company has until November 30, 2026 to regain compliance. The company plans to monitor its metrics and currently does not intend to effect a reverse stock split.

Original SEC Filing: RESEARCH FRONTIERS INC [ REFR ] - 8-K - Jun. 05, 2026

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