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RESEARCH FRONTIERS INC·4

Jan 5, 4:30 PM ET

Daigle Darryl 4

4 · RESEARCH FRONTIERS INC · Filed Jan 5, 2026

Insider Transaction Report

Form 4
Period: 2025-12-31
RESEARCH FRONTIERS INCREFR
Daigle Darryl
Director
Transactions
  • Award

    Stock Option (right to buy)

    2025-12-31+45,000→ 361,000 total
    Exercise: $1.33From: 2025-12-31Exp: 2035-12-30→ Common Stock (45,000 underlying)

Documents

1 file
  • 4
    ownership.xmlPrimary

    4