MATTRESS FIRM HLDG CORP

CUSIP: 57722W106 Class: CMN

GSA CAPITAL PARTNERS LLP's Holding History (CIK: 0001362033)

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

Q1 2015
Shares 9,515 Value ($000) $663 Avg Close — Range —
Q4 2014
Shares 17,738 Value ($000) $1,030 Avg Close — Range —
Q3 2014
Shares 3,400 Value ($000) $204 Avg Close — Range —