HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q3 2019
Shares 4,000 Value ($000) $21 Avg Close — Range —
Q2 2019
Shares 4,000 Value ($000) $23 Avg Close — Range —
Q1 2019
Shares 4,000 Value ($000) $29 Avg Close — Range —
Q4 2016
Shares 200 Value ($000) $2 Avg Close — Range —
Q3 2016
Shares 200 Value ($000) $3 Avg Close — Range —
Q2 2016
Shares 200 Value ($000) $3 Avg Close — Range —