CLEARSIGN TECHNOLOGIES CORP

Ticker: CLIR CUSIP: 185064102 Class: COM

HRT FINANCIAL LP's Holding History (CIK: 0001475597)

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

Q4 2025

Shares 17,578 Value ($000) $0 Avg Close $0.80 Range $0.55 - $1.12

Q3 2025

Shares 20,958 Value ($000) $0 Avg Close $0.59 Range $0.46 - $0.95

Q2 2025

Shares 22,135 Value ($000) $0 Avg Close $0.60 Range $0.46 - $0.78

Q4 2021

Shares 17,190 Value ($000) $23 Avg Close $1.66 Range $1.19 - $2.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,578	$0	$0.80	$0.55 - $1.12
Q3 2025	20,958	$0	$0.59	$0.46 - $0.95
Q2 2025	22,135	$0	$0.60	$0.46 - $0.78
Q4 2021	17,190	$23	$1.66	$1.19 - $2.68