PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

Virtu Financial LLC's Holding History (CIK: 0001533964)

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

Q2 2020
Shares 34,930 Value ($000) $48 Avg Close — Range —
Q4 2019
Shares 15,543 Value ($000) $35 Avg Close — Range —
Q3 2019
Shares 31,258 Value ($000) $26 Avg Close — Range —
Q2 2019
Shares 86,859 Value ($000) $85 Avg Close — Range —
Q1 2019
Shares 19,932 Value ($000) $25 Avg Close — Range —