PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

Dynamic Technology Lab Private Ltd's Holding History (CIK: 0001535387)

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

Q1 2019
Shares 23,553 Value ($000) $30 Avg Close — Range —
Q4 2018
Shares 11,919 Value ($000) $38 Avg Close — Range —
Q2 2018
Shares 28,102 Value ($000) $78 Avg Close — Range —
Q1 2017
Shares 14,343 Value ($000) $112 Avg Close — Range —