SONUS NETWORKS INC

CUSIP: 835916503 Class: COM NEW

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q3 2017
Shares 197,522 Value ($000) $1,512 Avg Close — Range —
Q2 2017
Shares 186,658 Value ($000) $1,389 Avg Close — Range —
Q1 2017
Shares 187,180 Value ($000) $1,234 Avg Close — Range —
Q4 2016
Shares 176,578 Value ($000) $1,113 Avg Close — Range —
Q3 2016
Shares 172,030 Value ($000) $1,339 Avg Close — Range —
Q2 2016
Shares 163,850 Value ($000) $1,424 Avg Close — Range —
Q1 2016
Shares 161,330 Value ($000) $1,215 Avg Close — Range —
Q4 2015
Shares 158,270 Value ($000) $1,129 Avg Close — Range —
Q3 2015
Shares 154,370 Value ($000) $883 Avg Close — Range —
Q2 2015
Shares 144,116 Value ($000) $998 Avg Close — Range —
Q1 2015
Shares 150,716 Value ($000) $1,188 Avg Close — Range —