PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

Nationwide Fund Advisors's Holding History (CIK: 0001097218)

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

Q1 2017
Shares 4,576 Value ($000) $36 Avg Close — Range —
Q4 2016
Shares 5,471 Value ($000) $67 Avg Close — Range —
Q3 2016
Shares 4,618 Value ($000) $72 Avg Close — Range —
Q2 2016
Shares 3,985 Value ($000) $48 Avg Close — Range —