NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

Asset Management Advisors, LLC's Holding History (CIK: 0001596355)

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

Q1 2017
Shares 61,290 Value ($000) $2,457 Avg Close — Range —
Q4 2016
Shares 62,240 Value ($000) $2,330 Avg Close — Range —
Q3 2016
Shares 64,955 Value ($000) $2,386 Avg Close — Range —
Q2 2016
Shares 92,930 Value ($000) $3,127 Avg Close — Range —
Q1 2016
Shares 111,305 Value ($000) $3,462 Avg Close — Range —
Q4 2015
Shares 119,830 Value ($000) $4,013 Avg Close — Range —
Q3 2015
Shares 126,810 Value ($000) $4,774 Avg Close — Range —
Q2 2015
Shares 91,010 Value ($000) $4,394 Avg Close — Range —
Q1 2015
Shares 91,810 Value ($000) $4,590 Avg Close — Range —
Q4 2014
Shares 88,430 Value ($000) $5,795 Avg Close — Range —
Q3 2014
Shares 91,925 Value ($000) $6,995 Avg Close — Range —
Q2 2014
Shares 92,820 Value ($000) $7,644 Avg Close — Range —
Q1 2014
Shares 86,320 Value ($000) $6,722 Avg Close — Range —
Q4 2013
Shares 61,435 Value ($000) $4,886 Avg Close — Range —