PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

AMERICAN INTERNATIONAL GROUP, INC.'s Holding History (CIK: 0000005272)

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

Q1 2019
Shares 21,866 Value ($000) $28 Avg Close — Range —
Q4 2018
Shares 22,574 Value ($000) $73 Avg Close — Range —
Q3 2018
Shares 16,981 Value ($000) $41 Avg Close — Range —
Q2 2018
Shares 16,395 Value ($000) $46 Avg Close — Range —
Q1 2017
Shares 3,964 Value ($000) $31 Avg Close — Range —
Q4 2016
Shares 3,641 Value ($000) $45 Avg Close — Range —
Q3 2016
Shares 3,651 Value ($000) $56,919 Avg Close — Range —
Q2 2016
Shares 3,646 Value ($000) $44,226 Avg Close — Range —