PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

Connor, Clark & Lunn Investment Management Ltd.'s Holding History (CIK: 0001596800)

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

Q2 2020
Shares 75,893 Value ($000) $104 Avg Close — Range —
Q1 2020
Shares 116,884 Value ($000) $133 Avg Close — Range —
Q4 2019
Shares 105,034 Value ($000) $239 Avg Close — Range —