HESKA CORP

CUSIP: 42805E306 Class: Common Stock

Ativo Capital Management LLC's Holding History (CIK: 0001423065)

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

Q4 2015
Shares 16,609 Value ($000) $642 Avg Close — Range —
Q3 2015
Shares 16,609 Value ($000) $522 Avg Close — Range —
Q2 2015
Shares 18,809 Value ($000) $636 Avg Close — Range —
Q1 2015
Shares 19,342 Value ($000) $499 Avg Close — Range —