DIRTT ENVIRONMENTAL SOLUTION

Ticker: DRTTF CUSIP: 25490H106 Class: FGC

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2019
Shares 61,415 Value ($000) $201 Avg Close $3.80 Range $3.01 - $4.96