PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

Virtus ETF Advisers LLC's Holding History (CIK: 0001587281)

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

Q1 2017
Shares 26,731 Value ($000) $209 Avg Close — Range —
Q4 2016
Shares 24,169 Value ($000) $296 Avg Close — Range —