HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

Shay Capital LLC's Holding History (CIK: 0001723643)

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

Q1 2022
Shares 27,500 Value ($000) $578 Avg Close — Range —
Q4 2021
Shares 33,123 Value ($000) $533 Avg Close — Range —