CLEARSIGN TECHNOLOGIES CORP

Ticker: CLIR CUSIP: 185064102 Class: COM

Regal Investment Advisors LLC's Holding History (CIK: 0001559789)

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

Q1 2023

Shares 26,237 Value ($000) $21 Avg Close $0.76 Range $0.50 - $0.88

Q4 2022

Shares 25,000 Value ($000) $13 Avg Close $0.70 Range $0.50 - $0.98

Q3 2022

Shares 25,000 Value ($000) $23 Avg Close $1.07 Range $0.82 - $1.34

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	26,237	$21	$0.76	$0.50 - $0.88
Q4 2022	25,000	$13	$0.70	$0.50 - $0.98
Q3 2022	25,000	$23	$1.07	$0.82 - $1.34