SONUS NETWORKS INC

CUSIP: 835916503 Class: COM NEW

Engine Capital Management, LP's Holding History (CIK: 0001665590)

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

Q3 2017
Shares 262,194 Value ($000) $2,006 Avg Close — Range —
Q2 2017
Shares 262,194 Value ($000) $1,951 Avg Close — Range —
Q1 2017
Shares 10,000 Value ($000) $66 Avg Close — Range —