RESEARCH FRONTIERS INC

Ticker: REFR CUSIP: 760911107 Class: COM

QUADRANT CAPITAL GROUP LLC's Holding History (CIK: 0001650717)

Note: Option positions (PUT/CALL) are excluded.

Q2 2021
Shares 2,292 Value ($000) $5 Avg Close $2.49 Range $2.01 - $3.15