PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

Bayesian Capital Management, LP's Holding History (CIK: 0001632551)

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

Q2 2018
Shares 18,100 Value ($000) $50 Avg Close — Range —
Q1 2018
Shares 33,500 Value ($000) $159 Avg Close — Range —