PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

NEA Management Company, LLC's Holding History (CIK: 0001512848)

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

Q3 2019
Shares 5,556,778 Value ($000) $4,695 Avg Close — Range —
Q2 2019
Shares 5,556,778 Value ($000) $5,418 Avg Close — Range —
Q1 2019
Shares 5,556,778 Value ($000) $7,002 Avg Close — Range —
Q4 2018
Shares 5,556,778 Value ($000) $18,004 Avg Close — Range —
Q3 2018
Shares 5,556,778 Value ($000) $13,392 Avg Close — Range —
Q2 2018
Shares 5,556,778 Value ($000) $15,503 Avg Close — Range —
Q1 2018
Shares 5,556,778 Value ($000) $26,395 Avg Close — Range —
Q4 2017
Shares 5,556,778 Value ($000) $32,396 Avg Close — Range —
Q3 2017
Shares 3,556,778 Value ($000) $7,469 Avg Close — Range —
Q2 2017
Shares 3,556,778 Value ($000) $16,646 Avg Close — Range —
Q1 2017
Shares 3,556,778 Value ($000) $27,814 Avg Close — Range —
Q4 2016
Shares 3,556,778 Value ($000) $43,606 Avg Close — Range —
Q3 2016
Shares 3,556,778 Value ($000) $55,450 Avg Close — Range —
Q2 2016
Shares 3,095,240 Value ($000) $37,545 Avg Close — Range —
Q1 2016
Shares 3,095,240 Value ($000) $29,838 Avg Close — Range —