RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q4 2025
Shares 157 Value ($000) $0 Avg Close $3.23 Range $2.72 - $4.09
Q3 2025
Shares 166 Value ($000) $1 Avg Close $3.93 Range $3.57 - $4.29
Q2 2025
Shares 166 Value ($000) $1 Avg Close $3.60 Range $3.01 - $4.29
Q1 2025
Shares 417 Value ($000) $2 Avg Close $4.21 Range $3.66 - $5.38
Q4 2024
Shares 166 Value ($000) $1 Avg Close $3.78 Range $3.03 - $4.39
Q3 2024
Shares 166 Value ($000) $1 Avg Close $3.24 Range $2.75 - $3.95
Q2 2024
Shares 252 Value ($000) $1 Avg Close $3.04 Range $2.47 - $3.58
Q1 2024
Shares 68 Value ($000) $0 Avg Close $3.04 Range $2.75 - $3.65
Q4 2023
Shares 60 Value ($000) $0 Avg Close $2.25 Range $1.78 - $3.00