ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

OAK RIDGE INVESTMENTS LLC's Holding History (CIK: 0001054554)

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

Q4 2017
Shares 387,799 Value ($000) $24,924 Avg Close — Range —
Q3 2017
Shares 544,649 Value ($000) $29,237 Avg Close — Range —
Q2 2017
Shares 436,440 Value ($000) $23,633 Avg Close — Range —