ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

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

Q1 2018
Shares 66,486 Value ($000) $5,444 Avg Close — Range —
Q4 2017
Shares 54,801 Value ($000) $3,522 Avg Close — Range —
Q3 2017
Shares 13,184 Value ($000) $708 Avg Close — Range —
Q2 2017
Shares 14,867 Value ($000) $805 Avg Close — Range —
Q1 2017
Shares 30,863 Value ($000) $1,498 Avg Close — Range —
Q4 2016
Shares 31,786 Value ($000) $1,404 Avg Close — Range —
Q3 2016
Shares 34,204 Value ($000) $1,241 Avg Close — Range —
Q2 2016
Shares 20,201 Value ($000) $746 Avg Close — Range —
Q1 2016
Shares 48,014 Value ($000) $1,773 Avg Close — Range —
Q4 2015
Shares 76,184 Value ($000) $3,424 Avg Close — Range —
Q3 2015
Shares 67,998 Value ($000) $2,509 Avg Close — Range —
Q2 2015
Shares 72,538 Value ($000) $2,849 Avg Close — Range —
Q1 2015
Shares 35,762 Value ($000) $1,372 Avg Close — Range —
Q3 2014
Shares 43,532 Value ($000) $1,169 Avg Close — Range —
Q2 2014
Shares 63,756 Value ($000) $2,268 Avg Close — Range —
Q1 2014
Shares 58,202 Value ($000) $2,246 Avg Close — Range —
Q4 2013
Shares 350,165 Value ($000) $12,228 Avg Close — Range —
Q3 2013
Shares 336,030 Value ($000) $11,089 Avg Close — Range —
Q2 2013
Shares 323,986 Value ($000) $8,657 Avg Close — Range —