SONUS NETWORKS INC

CUSIP: 835916503 Class: COM NEW

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

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

Q3 2017
Shares 1,195,500 Value ($000) $9,146 Avg Close — Range —
Q2 2017
Shares 940,000 Value ($000) $6,994 Avg Close — Range —
Q1 2017
Shares 750,000 Value ($000) $4,943 Avg Close — Range —
Q4 2016
Shares 467,612 Value ($000) $2,946 Avg Close — Range —
Q3 2016
Shares 467,612 Value ($000) $3,638 Avg Close — Range —
Q2 2016
Shares 467,612 Value ($000) $4,064 Avg Close — Range —
Q1 2016
Shares 500,000 Value ($000) $3,765 Avg Close — Range —
Q4 2015
Shares 500,000 Value ($000) $3,565 Avg Close — Range —
Q3 2015
Shares 600,000 Value ($000) $3,432 Avg Close — Range —