RESEARCH FRONTIERS INC

Ticker: REFR CUSIP: 760911107 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2021
Shares 11,023 Value ($000) $28 Avg Close $2.31 Range $1.76 - $3.18
Q2 2021
Shares 564 Value ($000) $1 Avg Close $2.49 Range $2.01 - $3.15
Q1 2021
Shares 9,574 Value ($000) $27 Avg Close $3.88 Range $2.65 - $5.66
Q4 2020
Shares 16,538 Value ($000) $46 Avg Close $2.82 Range $2.50 - $3.57
Q3 2020
Shares 15,217 Value ($000) $41 Avg Close $2.90 Range $2.01 - $4.11
Q2 2020
Shares 2,628 Value ($000) $11 Avg Close $3.71 Range $1.66 - $5.70
Q1 2020
Shares 5,362 Value ($000) $13 Avg Close $3.20 Range $2.20 - $4.24
Q4 2019
Shares 35,131 Value ($000) $106 Avg Close $3.21 Range $2.76 - $3.80
Q3 2019
Shares 62,894 Value ($000) $201 Avg Close $3.80 Range $2.70 - $5.38
Q2 2019
Shares 1,700 Value ($000) $6 Avg Close $2.83 Range $1.97 - $3.71
Q3 2017
Shares 8,375 Value ($000) $10 Avg Close $1.20 Range $1.01 - $1.35
Q2 2017
Shares 8,375 Value ($000) $11 Avg Close $1.26 Range $0.98 - $1.55
Q1 2017
Shares 500 Value ($000) $1 Avg Close $1.72 Range $1.25 - $2.15
Q4 2016
Shares 500 Value ($000) $1 Avg Close $2.07 Range $1.65 - $2.62
Q3 2016
Shares 500 Value ($000) $1 Avg Close $3.14 Range $2.56 - $3.82
Q1 2016
Shares 218 Value ($000) $1 Avg Close $4.48 Range $4.04 - $5.20
Q2 2015
Shares 5,900 Value ($000) $32 Avg Close $5.89 Range $5.31 - $6.39
Q4 2014
Shares 4,323 Value ($000) $22 Avg Close $5.06 Range $4.50 - $5.70
Q3 2014
Shares 1,257 Value ($000) $7 Avg Close $5.26 Range $4.58 - $6.09
Q1 2014
Shares 12,792 Value ($000) $66 Avg Close $6.33 Range $5.17 - $7.60
Q4 2013
Shares 34,402 Value ($000) $199 Avg Close $5.44 Range $4.18 - $7.64
Q3 2013
Shares 5,256 Value ($000) $22 Avg Close $4.17 Range $3.75 - $5.15
Q2 2013
Shares 4,124 Value ($000) $16 Avg Close $3.96 Range $3.31 - $4.91