HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q2 2019
Shares 313,371 Value ($000) $1,805 Avg Close — Range —
Q2 2016
Shares 322,288 Value ($000) $5,037 Avg Close — Range —
Q1 2016
Shares 309,047 Value ($000) $6,162 Avg Close — Range —
Q4 2015
Shares 16,576 Value ($000) $361 Avg Close — Range —