MATTRESS FIRM HLDG CORP

CUSIP: 57722W106 Class: CMN

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q3 2013
Shares 656,850 Value ($000) $20,888 Avg Close — Range —
Q2 2013
Shares 1,043,295 Value ($000) $42,045 Avg Close — Range —