CLEARSIGN TECHNOLOGIES CORP

Ticker: CLIR CUSIP: 185064102 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025
Shares 74,020 Value ($000) $41 Avg Close $0.80 Range $0.55 - $1.12
Q3 2025
Shares 75,466 Value ($000) $58 Avg Close $0.59 Range $0.46 - $0.95
Q2 2025
Shares 75,466 Value ($000) $42 Avg Close $0.60 Range $0.46 - $0.78
Q1 2025
Shares 75,466 Value ($000) $57 Avg Close $1.00 Range $0.67 - $1.60
Q4 2024
Shares 75,466 Value ($000) $109 Avg Close $0.99 Range $0.76 - $1.72
Q3 2024
Shares 60,945 Value ($000) $52 Avg Close $0.80 Range $0.65 - $0.98
Q2 2024
Shares 60,945 Value ($000) $51 Avg Close $0.82 Range $0.62 - $1.03
Q1 2024
Shares 61,094 Value ($000) $59 Avg Close $1.06 Range $0.90 - $1.32
Q4 2023
Shares 61,094 Value ($000) $68 Avg Close $1.04 Range $0.75 - $1.72
Q3 2023
Shares 61,539 Value ($000) $67 Avg Close $1.16 Range $0.90 - $1.51
Q2 2023
Shares 62,122 Value ($000) $81 Avg Close $1.18 Range $0.79 - $1.75
Q1 2023
Shares 62,279 Value ($000) $50 Avg Close $0.76 Range $0.50 - $0.88
Q4 2022
Shares 49,522 Value ($000) $27 Avg Close $0.70 Range $0.50 - $0.98
Q3 2022
Shares 49,522 Value ($000) $45 Avg Close $1.07 Range $0.82 - $1.34
Q2 2022
Shares 49,522 Value ($000) $60 Avg Close $1.29 Range $1.00 - $1.77
Q1 2022
Shares 49,522 Value ($000) $81 Avg Close $1.30 Range $1.00 - $1.78
Q4 2021
Shares 49,522 Value ($000) $68 Avg Close $1.66 Range $1.19 - $2.68
Q3 2021
Shares 49,522 Value ($000) $99 Avg Close $3.35 Range $1.93 - $4.95
Q2 2021
Shares 56,122 Value ($000) $269 Avg Close $4.73 Range $3.81 - $5.98
Q1 2021
Shares 56,122 Value ($000) $319 Avg Close $4.38 Range $2.66 - $6.00
Q4 2020
Shares 49,328 Value ($000) $145 Avg Close $2.60 Range $2.20 - $3.61
Q3 2020
Shares 44,297 Value ($000) $100 Avg Close $2.29 Range $1.96 - $3.03
Q2 2020
Shares 48,442 Value ($000) $101 Avg Close $0.95 Range $0.45 - $4.11
Q1 2020
Shares 39,978 Value ($000) $29 Avg Close $0.82 Range $0.35 - $1.09
Q4 2019
Shares 39,978 Value ($000) $31 Avg Close $0.97 Range $0.71 - $1.42
Q3 2019
Shares 39,978 Value ($000) $49 Avg Close $1.24 Range $1.06 - $1.50
Q2 2019
Shares 39,978 Value ($000) $46 Avg Close $0.92 Range $0.75 - $1.49
Q1 2019
Shares 39,978 Value ($000) $36 Avg Close $1.10 Range $0.85 - $1.40
Q4 2018
Shares 39,978 Value ($000) $41 Avg Close $1.43 Range $0.77 - $1.80
Q3 2018
Shares 40,617 Value ($000) $65 Avg Close $1.94 Range $1.40 - $2.25
Q2 2018
Shares 40,617 Value ($000) $82 Avg Close $1.94 Range $1.65 - $2.25
Q1 2018
Shares 36,653 Value ($000) $75 Avg Close $2.44 Range $1.80 - $3.60
Q4 2017
Shares 32,298 Value ($000) $116 Avg Close $3.26 Range $1.75 - $4.70
Q3 2017
Shares 18,804 Value ($000) $67 Avg Close $3.33 Range $2.75 - $4.15
Q2 2017
Shares 18,804 Value ($000) $72 Avg Close $3.67 Range $3.30 - $4.30
Q1 2017
Shares 18,804 Value ($000) $73 Avg Close $3.61 Range $3.00 - $4.60
Q4 2016
Shares 24,795 Value ($000) $85 Avg Close $4.62 Range $3.16 - $6.13
Q3 2016
Shares 24,238 Value ($000) $146 Avg Close $4.97 Range $3.98 - $6.24
Q2 2016
Shares 23,755 Value ($000) $119 Avg Close $4.41 Range $3.75 - $5.58
Q1 2016
Shares 23,672 Value ($000) $95 Avg Close $3.69 Range $2.68 - $5.01
Q4 2015
Shares 23,672 Value ($000) $114 Avg Close $5.31 Range $4.16 - $6.54
Q3 2015
Shares 23,672 Value ($000) $147 Avg Close $5.03 Range $3.22 - $8.09
Q2 2015
Shares 17,206 Value ($000) $94 Avg Close $5.38 Range $4.63 - $6.30
Q1 2015
Shares 18,753 Value ($000) $99 Avg Close $6.22 Range $4.51 - $7.86
Q4 2014
Shares 28,214 Value ($000) $207 Avg Close $6.73 Range $5.08 - $9.49
Q3 2014
Shares 27,414 Value ($000) $183 Avg Close $7.66 Range $5.07 - $9.64
Q2 2014
Shares 26,651 Value ($000) $245 Avg Close $9.27 Range $7.51 - $11.00
Q1 2014
Shares 26,096 Value ($000) $285 Avg Close $10.22 Range $7.76 - $13.87
Q4 2013
Shares 21,783 Value ($000) $250 Avg Close $7.65 Range $5.56 - $12.49
Q3 2013
Shares 19,590 Value ($000) $138 Avg Close $8.33 Range $6.48 - $9.93
Q2 2013
Shares 21,390 Value ($000) $186 Avg Close $8.40 Range $6.35 - $11.21