HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

SIGNATUREFD, LLC's Holding History (CIK: 0001456048)

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

Q1 2022
Shares 7,003 Value ($000) $147 Avg Close — Range —
Q4 2021
Shares 6,400 Value ($000) $103 Avg Close — Range —
Q3 2021
Shares 3,700 Value ($000) $50 Avg Close — Range —
Q2 2021
Shares 3,700 Value ($000) $41 Avg Close — Range —