RADISYS CORP

CUSIP: 750459109 Class: COM

CENTRAL SECURITIES CORP's Holding History (CIK: 0000018748)

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

Q2 2015
Shares 484,900 Value ($000) $1,241 Avg Close — Range —
Q1 2015
Shares 484,900 Value ($000) $1,043 Avg Close — Range —
Q4 2014
Shares 484,900 Value ($000) $1,135 Avg Close — Range —
Q3 2014
Shares 484,900 Value ($000) $1,295 Avg Close — Range —
Q2 2014
Shares 484,900 Value ($000) $1,692 Avg Close — Range —
Q1 2014
Shares 484,900 Value ($000) $1,741 Avg Close — Range —
Q4 2013
Shares 534,900 Value ($000) $1,225 Avg Close — Range —
Q3 2013
Shares 534,900 Value ($000) $1,717 Avg Close — Range —
Q2 2013
Shares 928,700 Value ($000) $4,467 Avg Close — Range —