SONUS NETWORKS INC

CUSIP: 835916503 Class: COM NEW

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2017
Shares 7,691 Value ($000) $59 Avg Close — Range —
Q2 2017
Shares 7,691 Value ($000) $57 Avg Close — Range —
Q1 2017
Shares 8,091 Value ($000) $53 Avg Close — Range —
Q4 2016
Shares 8,391 Value ($000) $53 Avg Close — Range —
Q3 2016
Shares 8,573 Value ($000) $67 Avg Close — Range —
Q2 2016
Shares 6,348 Value ($000) $55 Avg Close — Range —
Q1 2016
Shares 15,821 Value ($000) $119 Avg Close — Range —
Q4 2015
Shares 20,291 Value ($000) $145 Avg Close — Range —
Q3 2015
Shares 16,006 Value ($000) $92 Avg Close — Range —
Q2 2015
Shares 61,038 Value ($000) $422 Avg Close — Range —