CEB INC

CUSIP: 125134106 Class: COM

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

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

Q1 2017
Shares 522,984 Value ($000) $41,107 Avg Close — Range —
Q4 2016
Shares 578,999 Value ($000) $35,087 Avg Close — Range —
Q3 2016
Shares 591,782 Value ($000) $32,234 Avg Close — Range —
Q2 2016
Shares 596,473 Value ($000) $36,790 Avg Close — Range —
Q1 2016
Shares 598,440 Value ($000) $38,838 Avg Close — Range —
Q4 2015
Shares 632,518 Value ($000) $38,829 Avg Close — Range —
Q3 2015
Shares 656,695 Value ($000) $44,879 Avg Close — Range —
Q2 2015
Shares 604,952 Value ($000) $52,667 Avg Close — Range —