CLEARSIGN COMBUSTION CORP

CUSIP: 185064110 Class: OTHER

B. Riley Wealth Advisors, Inc.'s Holding History (CIK: 0001464811)

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

Q4 2018
Shares 18,200 Value ($000) $1 Avg Close — Range —
Q3 2018
Shares 18,200 Value ($000) $3 Avg Close — Range —
Q2 2018
Shares 19,200 Value ($000) $8 Avg Close — Range —
Q1 2018
Shares 18,800 Value ($000) $5 Avg Close — Range —
Q4 2017
Shares 18,200 Value ($000) $19 Avg Close — Range —
Q3 2017
Shares 19,000 Value ($000) $18 Avg Close — Range —