SONUS NETWORKS INC

CUSIP: 835916503 Class: COM NEW

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

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

Q3 2017
Shares 3,918,010 Value ($000) $29,973 Avg Close — Range —
Q2 2017
Shares 4,113,269 Value ($000) $30,603 Avg Close — Range —
Q1 2017
Shares 3,532,672 Value ($000) $23,280 Avg Close — Range —
Q4 2016
Shares 2,925,010 Value ($000) $18,428 Avg Close — Range —
Q3 2016
Shares 2,404,303 Value ($000) $18,705 Avg Close — Range —
Q2 2016
Shares 2,071,274 Value ($000) $17,999 Avg Close — Range —
Q1 2016
Shares 2,166,613 Value ($000) $16,315 Avg Close — Range —
Q4 2015
Shares 3,658,175 Value ($000) $26,083 Avg Close — Range —
Q3 2015
Shares 2,368,771 Value ($000) $13,549 Avg Close — Range —
Q2 2015
Shares 1,837,531 Value ($000) $12,716 Avg Close — Range —
Q1 2015
Shares 1,098,154 Value ($000) $8,653 Avg Close — Range —