Every material Form 8-K RESEARCH FRONTIERS INC filed with the SEC in 2026, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.
Research Frontiers received two Nasdaq deficiency letters on June 2, 2026, saying its stock has closed below the $1.00 minimum bid price and its market value of listed securities has fallen below $35 million. The company has until November 30, 2026 to regain compliance, and the stock continues to trade on the Nasdaq Capital Market under REFR, but there is no assurance it will regain compliance.
Bid price notice: closing bid below $1.00 for 30 consecutive business days from April 15 to June 1, 2026
MVLS notice: market value of listed securities below $35 million for 30 consecutive business days from April 20 to June 1, 2026
Compliance deadline: November 30, 2026; regaining compliance requires ten consecutive business days at or above the thresholds
The company does not currently intend to effect a reverse stock split to regain compliance
Research Frontiers entered subscription agreements on February 18, 2026 with private accredited investors, including family members of a director and the owner of an SPD-SmartGlass licensee. The company will receive $1.1 million in proceeds, and each investor also received one warrant per share, which adds potential future share issuance.
1.1 million shares of common stock sold at $1.00 per share, equal to the February 13, 2026 closing price
The Company will receive $1.1 million in proceeds from the sale
Each share includes one warrant expiring February 28, 2031, with exercise prices from $1.10 to $1.50 depending on timing
Shares and warrant shares are unregistered and subject to at least a six-month holding period
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.
Only material 8-Ks get a brief: results, deals, executive changes, restructuring, impairments, delisting notices, restatements, cybersecurity incidents and other disclosed events. Routine filings (vote results, exhibits only) are skipped. Every RESEARCH FRONTIERS INC filing is on SEC EDGAR ↗. 8-K briefs of other companies →