CATALYST BIOSCIENCES INC

CUSIP: 14888D208 Class: Stock

DRW Securities, LLC's Holding History (CIK: 0001481986)

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

Q2 2018
Shares 13,000 Value ($000) $152 Avg Close — Range —
Q4 2017
Shares 12,000 Value ($000) $164 Avg Close — Range —