HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

DIKER MANAGEMENT LLC's Holding History (CIK: 0001276525)

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

Q3 2016
Shares 84,052 Value ($000) $1,127 Avg Close — Range —
Q2 2016
Shares 267,744 Value ($000) $4,185 Avg Close — Range —
Q1 2016
Shares 139,944 Value ($000) $2,790 Avg Close — Range —