HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q1 2022
Shares 1,010 Value ($000) $21 Avg Close — Range —
Q4 2016
Shares 1,100 Value ($000) $12 Avg Close — Range —
Q3 2016
Shares 1,100 Value ($000) $15 Avg Close — Range —
Q2 2016
Shares 1,100 Value ($000) $17 Avg Close — Range —
Q1 2016
Shares 1,100 Value ($000) $22 Avg Close — Range —