CLEARSIGN COMBUSTION CORP

CUSIP: 185064110 Class: OTHER

Centerpoint Advisors, LLC's Holding History (CIK: 0001733788)

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

Q4 2018
Shares 2,950 Value ($000) $0 Avg Close — Range —
Q3 2018
Shares 2,700 Value ($000) $0 Avg Close — Range —
Q2 2018
Shares 2,700 Value ($000) $1 Avg Close — Range —
Q1 2018
Shares 2,700 Value ($000) $1 Avg Close — Range —
Q4 2017
Shares 2,300 Value ($000) $2 Avg Close — Range —