HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

Proficio Capital Partners LLC's Holding History (CIK: 0001654175)

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

Q1 2022
Shares 268,378 Value ($000) $5,639 Avg Close — Range —
Q4 2021
Shares 268,378 Value ($000) $4,321 Avg Close — Range —
Q3 2021
Shares 268,378 Value ($000) $3,604 Avg Close — Range —
Q2 2021
Shares 268,378 Value ($000) $2,963 Avg Close — Range —