PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q3 2019
Shares 13,845 Value ($000) $12 Avg Close — Range —
Q2 2019
Shares 18,559 Value ($000) $18 Avg Close — Range —
Q1 2019
Shares 20,428 Value ($000) $26 Avg Close — Range —
Q4 2018
Shares 20,276 Value ($000) $66 Avg Close — Range —