CABOT MICROELECTRONICS CORP

CUSIP: 12709P103 Class: COM

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

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

Q4 2018
Shares 465 Value ($000) $44 Avg Close — Range —
Q3 2018
Shares 1,265 Value ($000) $131 Avg Close — Range —
Q2 2018
Shares 1,849 Value ($000) $199 Avg Close — Range —
Q1 2018
Shares 2,743 Value ($000) $294 Avg Close — Range —
Q4 2017
Shares 630 Value ($000) $59 Avg Close — Range —
Q1 2017
Shares 23,381 Value ($000) $1,791 Avg Close — Range —
Q4 2016
Shares 532 Value ($000) $34 Avg Close — Range —
Q3 2016
Shares 3,682 Value ($000) $195 Avg Close — Range —
Q2 2016
Shares 3,882 Value ($000) $164 Avg Close — Range —