PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

DAFNA Capital Management LLC's Holding History (CIK: 0001389933)

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

Q4 2018
Shares 54,569 Value ($000) $177 Avg Close — Range —
Q1 2018
Shares 267,100 Value ($000) $1,269 Avg Close — Range —
Q4 2017
Shares 117,500 Value ($000) $685 Avg Close — Range —