WEST CORP

CUSIP: 952355204 Class: COM

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

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

Q3 2017
Shares 505,119 Value ($000) $11,855 Avg Close — Range —
Q2 2017
Shares 563,857 Value ($000) $13,150 Avg Close — Range —
Q1 2017
Shares 569,243 Value ($000) $13,901 Avg Close — Range —
Q4 2016
Shares 533,629 Value ($000) $13,212 Avg Close — Range —
Q3 2016
Shares 507,968 Value ($000) $11,216 Avg Close — Range —
Q2 2016
Shares 503,808 Value ($000) $9,905 Avg Close — Range —
Q1 2016
Shares 555,052 Value ($000) $12,666 Avg Close — Range —
Q4 2015
Shares 546,873 Value ($000) $11,795 Avg Close — Range —
Q3 2015
Shares 525,971 Value ($000) $11,781 Avg Close — Range —
Q2 2015
Shares 424,802 Value ($000) $12,787 Avg Close — Range —
Q1 2015
Shares 393,826 Value ($000) $13,284 Avg Close — Range —
Q4 2014
Shares 378,781 Value ($000) $12,500 Avg Close — Range —
Q3 2014
Shares 393,680 Value ($000) $11,598 Avg Close — Range —
Q2 2014
Shares 254,116 Value ($000) $6,810 Avg Close — Range —
Q1 2014
Shares 269,990 Value ($000) $6,462 Avg Close — Range —
Q4 2013
Shares 295,447 Value ($000) $7,596 Avg Close — Range —
Q3 2013
Shares 282,104 Value ($000) $6,254 Avg Close — Range —
Q2 2013
Shares 108,161 Value ($000) $2,395 Avg Close — Range —