NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q3 2018
Shares 37,716 Value ($000) $2,522 Avg Close Range
Q2 2018
Shares 39,386 Value ($000) $2,513 Avg Close Range
Q1 2018
Shares 39,323 Value ($000) $2,267 Avg Close Range
Q4 2017
Shares 37,984 Value ($000) $2,265 Avg Close Range
Q3 2017
Shares 38,870 Value ($000) $2,523 Avg Close Range
Q2 2017
Shares 41,521 Value ($000) $2,482 Avg Close Range
Q1 2017
Shares 40,273 Value ($000) $2,378 Avg Close Range
Q4 2016
Shares 37,641 Value ($000) $2,250 Avg Close Range
Q3 2016
Shares 37,074 Value ($000) $2,227 Avg Close Range
Q2 2016
Shares 35,646 Value ($000) $2,309 Avg Close Range
Q1 2016
Shares 3,005 Value ($000) $162 Avg Close Range
Q4 2015
Shares 3,005 Value ($000) $152 Avg Close Range
Q3 2015
Shares 3,005 Value ($000) $138 Avg Close Range
Q2 2015
Shares 3,005 Value ($000) $126 Avg Close Range
Q1 2015
Shares 3,005 Value ($000) $144 Avg Close Range
Q4 2014
Shares 3,005 Value ($000) $150 Avg Close Range
Q3 2014
Shares 3,005 Value ($000) $127 Avg Close Range
Q2 2014
Shares 805 Value ($000) $38 Avg Close Range
Q1 2014
Shares 805 Value ($000) $35 Avg Close Range
Q4 2013
Shares 805 Value ($000) $35 Avg Close Range