BIOLASE INC

CUSIP: 090911108 Class: COMMON STOCK

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q1 2018
Shares 113,675 Value ($000) $46 Avg Close — Range —
Q4 2017
Shares 113,675 Value ($000) $48 Avg Close — Range —
Q3 2017
Shares 97,808 Value ($000) $59 Avg Close — Range —
Q2 2017
Shares 97,808 Value ($000) $94 Avg Close — Range —
Q1 2017
Shares 93,344 Value ($000) $126 Avg Close — Range —
Q4 2016
Shares 242,236 Value ($000) $339 Avg Close — Range —
Q3 2016
Shares 97,483 Value ($000) $170 Avg Close — Range —
Q2 2016
Shares 89,335 Value ($000) $104 Avg Close — Range —
Q1 2016
Shares 69,530 Value ($000) $91 Avg Close — Range —
Q4 2015
Shares 69,530 Value ($000) $59 Avg Close — Range —
Q3 2015
Shares 69,530 Value ($000) $62 Avg Close — Range —
Q2 2015
Shares 66,412 Value ($000) $116 Avg Close — Range —
Q1 2015
Shares 74,786 Value ($000) $151 Avg Close — Range —
Q4 2014
Shares 78,801 Value ($000) $207 Avg Close — Range —
Q3 2014
Shares 78,995 Value ($000) $196 Avg Close — Range —
Q2 2014
Shares 342,022 Value ($000) $753 Avg Close — Range —
Q1 2014
Shares 418,906 Value ($000) $1,009 Avg Close — Range —
Q4 2013
Shares 444,001 Value ($000) $1,256 Avg Close — Range —
Q3 2013
Shares 436,062 Value ($000) $834 Avg Close — Range —
Q2 2013
Shares 173,793 Value ($000) $622 Avg Close — Range —