SONUS NETWORKS INC

CUSIP: 835916503 Class: COM NEW

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q3 2017
Shares 3,166,756 Value ($000) $24,226 Avg Close — Range —
Q2 2017
Shares 3,150,356 Value ($000) $23,439 Avg Close — Range —
Q1 2017
Shares 2,706,350 Value ($000) $17,835 Avg Close — Range —
Q4 2016
Shares 2,454,416 Value ($000) $15,463 Avg Close — Range —
Q3 2016
Shares 2,274,403 Value ($000) $17,695 Avg Close — Range —
Q2 2016
Shares 2,039,499 Value ($000) $17,723 Avg Close — Range —
Q1 2016
Shares 1,901,383 Value ($000) $14,317 Avg Close — Range —
Q4 2015
Shares 1,641,624 Value ($000) $11,705 Avg Close — Range —
Q3 2015
Shares 1,299,432 Value ($000) $7,433 Avg Close — Range —
Q2 2015
Shares 1,307,031 Value ($000) $9,045 Avg Close — Range —
Q1 2015
Shares 1,384,712 Value ($000) $10,912 Avg Close — Range —