HEADWATERS INC

CUSIP: 42210P102 Class: COMMON STOCK

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q2 2016
Shares 410,022 Value ($000) $7,356 Avg Close — Range —
Q1 2016
Shares 413,844 Value ($000) $8,211 Avg Close — Range —
Q4 2015
Shares 385,728 Value ($000) $6,507 Avg Close — Range —
Q3 2015
Shares 369,001 Value ($000) $6,937 Avg Close — Range —