SONUS NETWORKS INC

CUSIP: 835916107 Class: CMN

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

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

Q2 2015
Shares 600,000 Value ($000) $4,152 Avg Close — Range —
Q1 2015
Shares 600,000 Value ($000) $4,728 Avg Close — Range —
Q4 2014
Shares 3,000,000 Value ($000) $11,910 Avg Close — Range —
Q3 2014
Shares 3,000,000 Value ($000) $10,260 Avg Close — Range —
Q2 2014
Shares 3,000,000 Value ($000) $10,770 Avg Close — Range —
Q1 2014
Shares 3,000,000 Value ($000) $10,110 Avg Close — Range —
Q4 2013
Shares 3,000,000 Value ($000) $9,450 Avg Close — Range —
Q3 2013
Shares 3,000,000 Value ($000) $10,110 Avg Close — Range —
Q2 2013
Shares 3,000,000 Value ($000) $9,030 Avg Close — Range —