HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q1 2022
Shares 533,242 Value ($000) $11,203 Avg Close — Range —
Q4 2021
Shares 41,686 Value ($000) $671 Avg Close — Range —
Q3 2021
Shares 88,661 Value ($000) $1,191 Avg Close — Range —
Q1 2021
Shares 56,427 Value ($000) $430 Avg Close — Range —
Q4 2020
Shares 50,649 Value ($000) $169 Avg Close — Range —
Q2 2020
Shares 15,353 Value ($000) $28 Avg Close — Range —
Q1 2020
Shares 16,682 Value ($000) $31 Avg Close — Range —
Q4 2019
Shares 64,045 Value ($000) $400 Avg Close — Range —
Q1 2019
Shares 7,200 Value ($000) $52 Avg Close — Range —
Q1 2018
Shares 1,900 Value ($000) $13 Avg Close — Range —
Q3 2017
Shares 16,450 Value ($000) $198 Avg Close — Range —
Q2 2017
Shares 5,900 Value ($000) $73 Avg Close — Range —
Q3 2015
Shares 1,000 Value ($000) $20 Avg Close — Range —
Q4 2014
Shares 900 Value ($000) $19 Avg Close — Range —
Q2 2014
Shares 1,000 Value ($000) $19 Avg Close — Range —