WEST CORP

CUSIP: 952355204 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2016
Shares 448,723 Value ($000) $11,110 Avg Close — Range —
Q3 2016
Shares 498,506 Value ($000) $11,007 Avg Close — Range —
Q2 2016
Shares 494,832 Value ($000) $9,729 Avg Close — Range —
Q1 2016
Shares 473,977 Value ($000) $10,817 Avg Close — Range —
Q4 2015
Shares 381,008 Value ($000) $8,218 Avg Close — Range —
Q3 2015
Shares 335,169 Value ($000) $7,507 Avg Close — Range —
Q2 2015
Shares 220,109 Value ($000) $6,625 Avg Close — Range —
Q1 2015
Shares 154,729 Value ($000) $5,219 Avg Close — Range —
Q4 2014
Shares 37,739 Value ($000) $1,246 Avg Close — Range —
Q3 2014
Shares 63,510 Value ($000) $1,871 Avg Close — Range —
Q2 2014
Shares 97,840 Value ($000) $2,622 Avg Close — Range —
Q1 2014
Shares 103,840 Value ($000) $2,485 Avg Close — Range —
Q4 2013
Shares 110,070 Value ($000) $2,830 Avg Close — Range —
Q3 2013
Shares 100,687 Value ($000) $2,232 Avg Close — Range —
Q2 2013
Shares 75,424 Value ($000) $1,670 Avg Close — Range —