PRONAI THERAPEUTICS INC

CUSIP: 74346L101 Class: COM

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q4 2016
Shares 10,331 Value ($000) $16 Avg Close — Range —
Q3 2016
Shares 10,331 Value ($000) $19 Avg Close — Range —
Q2 2016
Shares 10,331 Value ($000) $20 Avg Close — Range —
Q1 2016
Shares 30,331 Value ($000) $200 Avg Close — Range —