PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

Monashee Investment Management LLC's Holding History (CIK: 0001627608)

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

Q4 2017
Shares 375,000 Value ($000) $2,186 Avg Close — Range —
Q3 2016
Shares 85,000 Value ($000) $1,325 Avg Close — Range —