PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

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

Q3 2020
Shares 301,633 Value ($000) $332 Avg Close — Range —
Q2 2020
Shares 353,023 Value ($000) $483 Avg Close — Range —
Q1 2020
Shares 362,650 Value ($000) $413 Avg Close — Range —
Q4 2019
Shares 267,128 Value ($000) $609 Avg Close — Range —
Q3 2019
Shares 288,336 Value ($000) $243 Avg Close — Range —
Q2 2019
Shares 373,324 Value ($000) $365 Avg Close — Range —
Q1 2019
Shares 230,878 Value ($000) $290 Avg Close — Range —
Q3 2018
Shares 51,269 Value ($000) $124 Avg Close — Range —
Q2 2018
Shares 50,607 Value ($000) $141 Avg Close — Range —