RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

QUADRANT CAPITAL GROUP LLC's Holding History (CIK: 0001650717)

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

Q4 2025
Shares 168 Value ($000) $0 Avg Close $3.23 Range $2.72 - $4.09
Q1 2025
Shares 930 Value ($000) $4 Avg Close $4.21 Range $3.66 - $5.38
Q4 2024
Shares 796 Value ($000) $3 Avg Close $3.78 Range $3.03 - $4.39
Q1 2024
Shares 153 Value ($000) $0 Avg Close $3.04 Range $2.75 - $3.65
Q2 2023
Shares 282 Value ($000) $1 Avg Close $2.77 Range $2.30 - $3.49
Q3 2022
Shares 90 Value ($000) $0 Avg Close $3.17 Range $2.22 - $3.99
Q2 2022
Shares 90 Value ($000) $0 Avg Close $3.02 Range $2.57 - $3.65
Q1 2022
Shares 90 Value ($000) $0 Avg Close $4.10 Range $2.74 - $6.42
Q1 2020
Shares 171 Value ($000) $1 Avg Close $3.01 Range $1.95 - $3.68