HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

D.A. DAVIDSON & CO.'s Holding History (CIK: 0001080107)

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

Q2 2017
Shares 10,065 Value ($000) $123 Avg Close — Range —
Q1 2017
Shares 2,500 Value ($000) $25 Avg Close — Range —
Q4 2016
Shares 1,500 Value ($000) $16 Avg Close — Range —
Q3 2016
Shares 2,000 Value ($000) $26 Avg Close — Range —
Q2 2016
Shares 2,000 Value ($000) $31 Avg Close — Range —
Q1 2016
Shares 2,500 Value ($000) $49 Avg Close — Range —
Q4 2015
Shares 2,500 Value ($000) $54 Avg Close — Range —
Q3 2015
Shares 1,090 Value ($000) $22 Avg Close — Range —
Q2 2015
Shares 78 Value ($000) $1 Avg Close — Range —