NANOMETRICS INC

CUSIP: 630077105 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2018
Shares 709 Value ($000) $19 Avg Close — Range —
Q3 2018
Shares 1,228 Value ($000) $46 Avg Close — Range —
Q2 2018
Shares 55 Value ($000) $2 Avg Close — Range —
Q2 2013
Shares 654 Value ($000) $10 Avg Close — Range —