RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2017
Shares 7,140 Value ($000) $55 Avg Close $7.68 Range $6.89 - $9.05