PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q2 2019
Shares 153,900 Value ($000) $150 Avg Close — Range —
Q2 2017
Shares 29,200 Value ($000) $137 Avg Close — Range —