RADISYS CORP

CUSIP: 750459109 Class: COM

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2014
Shares 46,194 Value ($000) $108 Avg Close — Range —
Q3 2014
Shares 52,994 Value ($000) $141 Avg Close — Range —
Q2 2014
Shares 52,994 Value ($000) $185 Avg Close — Range —
Q1 2014
Shares 52,232 Value ($000) $188 Avg Close — Range —
Q4 2013
Shares 352,377 Value ($000) $807 Avg Close — Range —
Q3 2013
Shares 329,163 Value ($000) $1,056 Avg Close — Range —
Q2 2013
Shares 359,328 Value ($000) $1,729 Avg Close — Range —