RESEARCH FRONTIERS INC

Ticker: REFR CUSIP: 760911107 Class: COM

Prospera Financial Services Inc's Holding History (CIK: 0001541625)

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

Q3 2020
Shares 750 Value ($000) $2 Avg Close $2.90 Range $2.01 - $4.11
Q2 2018
Shares 19,800 Value ($000) $16 Avg Close $0.91 Range $0.60 - $1.20
Q1 2018
Shares 19,800 Value ($000) $22 Avg Close $0.97 Range $0.85 - $1.37
Q4 2017
Shares 19,800 Value ($000) $22 Avg Close $1.09 Range $0.86 - $1.46
Q3 2017
Shares 19,800 Value ($000) $23 Avg Close $1.20 Range $1.01 - $1.35
Q2 2017
Shares 19,800 Value ($000) $24 Avg Close $1.26 Range $0.98 - $1.55
Q1 2017
Shares 19,800 Value ($000) $26 Avg Close $1.72 Range $1.25 - $2.15
Q4 2016
Shares 19,800 Value ($000) $37 Avg Close $2.07 Range $1.65 - $2.62
Q3 2016
Shares 19,800 Value ($000) $51 Avg Close $3.14 Range $2.56 - $3.82
Q2 2016
Shares 19,800 Value ($000) $72 Avg Close $4.20 Range $3.30 - $5.03
Q1 2016
Shares 19,800 Value ($000) $90 Avg Close $4.48 Range $4.04 - $5.20
Q4 2015
Shares 14,100 Value ($000) $73 Avg Close $5.02 Range $4.34 - $5.40
Q3 2015
Shares 14,100 Value ($000) $71 Avg Close $5.31 Range $4.55 - $5.97