DRIL-QUIP INC

CUSIP: 262037104 Class: COM

CONTRAVISORY INVESTMENT MANAGEMENT, INC.'s Holding History (CIK: 0001365707)

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

Q3 2017
Shares 32 Value ($000) $1 Avg Close — Range —
Q2 2014
Shares 113,323 Value ($000) $12,379 Avg Close — Range —
Q1 2014
Shares 117,255 Value ($000) $13,144 Avg Close — Range —
Q4 2013
Shares 118,439 Value ($000) $13,020 Avg Close — Range —
Q3 2013
Shares 119,361 Value ($000) $13,697 Avg Close — Range —
Q2 2013
Shares 118,308 Value ($000) $10,682 Avg Close — Range —