HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

VISTA EQUITY PARTNERS MANAGEMENT, LLC's Holding History (CIK: 0001569532)

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

Q1 2018
Shares 433,678 Value ($000) $3,014 Avg Close — Range —
Q4 2017
Shares 842,161 Value ($000) $7,832 Avg Close — Range —
Q3 2017
Shares 1,735,657 Value ($000) $20,915 Avg Close — Range —
Q2 2017
Shares 1,773,798 Value ($000) $21,818 Avg Close — Range —
Q1 2017
Shares 913,150 Value ($000) $9,268 Avg Close — Range —