HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

Itau Unibanco Holding S.A.'s Holding History (CIK: 0001132597)

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

Q3 2019
Shares 6,920 Value ($000) $40 Avg Close — Range —
Q2 2019
Shares 6,920 Value ($000) $40 Avg Close — Range —
Q1 2019
Shares 5,118 Value ($000) $44 Avg Close — Range —
Q4 2018
Shares 5,118 Value ($000) $44 Avg Close — Range —