PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

GREAT POINT PARTNERS LLC's Holding History (CIK: 0001281446)

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

Q3 2019
Shares 3,500,000 Value ($000) $2,958 Avg Close — Range —
Q2 2019
Shares 3,500,000 Value ($000) $3,416,000 Avg Close — Range —
Q1 2019
Shares 3,500,000 Value ($000) $4,410 Avg Close — Range —
Q4 2018
Shares 3,045,423 Value ($000) $9,867 Avg Close — Range —