RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

Parallel Advisors, LLC's Holding History (CIK: 0001690010)

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

Q4 2025
Shares 207 Value ($000) $1 Avg Close $3.23 Range $2.72 - $4.09
Q4 2024
Shares 97 Value ($000) $0 Avg Close $3.78 Range $3.03 - $4.39
Q1 2024
Shares 10 Value ($000) $0 Avg Close $3.04 Range $2.75 - $3.65
Q2 2022
Shares 1,932 Value ($000) $6 Avg Close $3.02 Range $2.57 - $3.65
Q4 2021
Shares 562 Value ($000) $3 Avg Close $5.93 Range $5.11 - $6.46
Q3 2021
Shares 562 Value ($000) $3 Avg Close $6.75 Range $5.80 - $7.78
Q2 2021
Shares 562 Value ($000) $4 Avg Close $7.65 Range $6.29 - $8.72
Q1 2021
Shares 562 Value ($000) $5 Avg Close $8.28 Range $6.22 - $11.25
Q4 2020
Shares 716 Value ($000) $5 Avg Close $5.28 Range $3.62 - $7.49
Q3 2020
Shares 716 Value ($000) $3 Avg Close $4.22 Range $3.61 - $5.64
Q2 2020
Shares 716 Value ($000) $2 Avg Close $3.63 Range $2.67 - $4.68
Q1 2020
Shares 1,063 Value ($000) $3 Avg Close $3.01 Range $1.95 - $3.68
Q4 2019
Shares 1,119 Value ($000) $3 Avg Close $3.98 Range $2.44 - $5.92