PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

BALYASNY ASSET MANAGEMENT L.P.'s Holding History (CIK: 0001218710)

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

Q4 2018
Shares 354,581 Value ($000) $1,149 Avg Close — Range —
Q4 2017
Shares 657,500 Value ($000) $3,833 Avg Close — Range —
Q4 2016
Shares 95,855 Value ($000) $1,175 Avg Close — Range —
Q3 2016
Shares 75,000 Value ($000) $1,169 Avg Close — Range —