CATALYST BIOSCIENCES INC

CUSIP: 14888D109 Class: COM

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2016
Shares 19,151 Value ($000) $32 Avg Close — Range —
Q4 2015
Shares 25,700 Value ($000) $80 Avg Close — Range —
Q3 2015
Shares 20,300 Value ($000) $94 Avg Close — Range —