XCERRA CORP

CUSIP: 98400J108 Class: COM

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

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

Q3 2018
Shares 3,900 Value ($000) $56 Avg Close — Range —
Q1 2018
Shares 1,000 Value ($000) $12 Avg Close — Range —
Q2 2014
Shares 1,736 Value ($000) $16 Avg Close — Range —