RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

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

Q4 2025
Shares 30,746 Value ($000) $89 Avg Close $3.23 Range $2.72 - $4.09
Q3 2019
Shares 16,289 Value ($000) $95 Avg Close $5.25 Range $4.79 - $5.93
Q4 2017
Shares 20,641 Value ($000) $160 Avg Close $7.68 Range $6.89 - $9.05