CLEARSIGN TECHNOLOGIES CORP

Ticker: CLIR CUSIP: 185064102 Class: COM

Washington Trust Bank's Holding History (CIK: 0000861787)

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

Q4 2017
Shares 4,970 Value ($000) $18 Avg Close $3.26 Range $1.75 - $4.70
Q3 2017
Shares 4,970 Value ($000) $18 Avg Close $3.33 Range $2.75 - $4.15
Q2 2017
Shares 3,070 Value ($000) $12 Avg Close $3.67 Range $3.30 - $4.30
Q1 2017
Shares 3,070 Value ($000) $12 Avg Close $3.61 Range $3.00 - $4.60
Q4 2016
Shares 3,070 Value ($000) $10 Avg Close $4.62 Range $3.16 - $6.13
Q3 2016
Shares 3,070 Value ($000) $18 Avg Close $4.97 Range $3.98 - $6.24
Q2 2016
Shares 2,780 Value ($000) $14 Avg Close $4.41 Range $3.75 - $5.58
Q1 2016
Shares 2,780 Value ($000) $11 Avg Close $3.69 Range $2.68 - $5.01
Q4 2015
Shares 2,780 Value ($000) $13 Avg Close $5.31 Range $4.16 - $6.54
Q3 2015
Shares 2,780 Value ($000) $17 Avg Close $5.03 Range $3.22 - $8.09