HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2020
Shares 55,124 Value ($000) $103 Avg Close — Range —
Q4 2019
Shares 27,100 Value ($000) $169 Avg Close — Range —
Q1 2019
Shares 187,200 Value ($000) $1,360 Avg Close — Range —
Q4 2018
Shares 187,200 Value ($000) $1,658 Avg Close — Range —
Q2 2018
Shares 21,603 Value ($000) $165 Avg Close — Range —
Q1 2018
Shares 231,700 Value ($000) $1,610 Avg Close — Range —
Q4 2017
Shares 341,200 Value ($000) $3,173 Avg Close — Range —