NATIONAL OILWELL VARCO INC

CUSIP: 637071101 Class: COM

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q1 2018
Shares 15,542 Value ($000) $572 Avg Close — Range —
Q2 2014
Shares 2,388 Value ($000) $197 Avg Close — Range —