PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

J. Goldman & Co LP's Holding History (CIK: 0001412741)

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

Q4 2017
Shares 550,043 Value ($000) $3,207 Avg Close — Range —
Q3 2017
Shares 27,500 Value ($000) $58 Avg Close — Range —
Q2 2017
Shares 27,500 Value ($000) $129 Avg Close — Range —
Q1 2017
Shares 27,500 Value ($000) $215 Avg Close — Range —