NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

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

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

Q4 2017
Shares 51 Value ($000) $2 Avg Close — Range —
Q3 2017
Shares 51 Value ($000) $2 Avg Close — Range —
Q1 2017
Shares 141,072 Value ($000) $5,656 Avg Close — Range —
Q4 2016
Shares 156,301 Value ($000) $5,852 Avg Close — Range —