PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

JANE STREET GROUP, LLC's Holding History (CIK: 0001595888)

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

Q1 2020
Shares 18,646 Value ($000) $21 Avg Close — Range —
Q4 2019
Shares 77,975 Value ($000) $177 Avg Close — Range —
Q2 2019
Shares 175,050 Value ($000) $171 Avg Close — Range —
Q1 2019
Shares 32,092 Value ($000) $40 Avg Close — Range —
Q4 2018
Shares 12,759 Value ($000) $41 Avg Close — Range —
Q4 2017
Shares 34,797 Value ($000) $203 Avg Close — Range —