CEPHEID

CUSIP: 15670R107 Class: CMN

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2016
Shares 530 Value ($000) $18 Avg Close — Range —
Q4 2015
Shares 3,936 Value ($000) $144 Avg Close — Range —
Q3 2015
Shares 186 Value ($000) $8 Avg Close — Range —
Q1 2014
Shares 2,126 Value ($000) $110 Avg Close — Range —
Q4 2013
Shares 16 Value ($000) $1 Avg Close — Range —