CARBON BLACK INC

CUSIP: 14081R103 Class: COM

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

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

Q2 2019
Shares 12,945 Value ($000) $216 Avg Close — Range —
Q1 2019
Shares 38,301 Value ($000) $534 Avg Close — Range —
Q4 2018
Shares 2,855 Value ($000) $38 Avg Close — Range —
Q3 2018
Shares 300 Value ($000) $6 Avg Close — Range —