RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

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

Q4 2025
Shares 761,165 Value ($000) $2 Avg Close $3.23 Range $2.72 - $4.09
Q3 2025
Shares 34,592 Value ($000) $0 Avg Close $3.93 Range $3.57 - $4.29
Q4 2023
Shares 149,824 Value ($000) $0 Avg Close $2.25 Range $1.78 - $3.00
Q3 2023
Shares 348,490 Value ($000) $1 Avg Close $2.92 Range $2.59 - $3.59
Q2 2023
Shares 622,494 Value ($000) $2 Avg Close $2.77 Range $2.30 - $3.49
Q1 2023
Shares 276,904 Value ($000) $1 Avg Close $3.65 Range $2.70 - $4.84
Q4 2022
Shares 35,004 Value ($000) $0 Avg Close $2.59 Range $2.19 - $3.14
Q3 2022
Shares 14,286 Value ($000) $30 Avg Close $3.17 Range $2.22 - $3.99
Q2 2022
Shares 96,097 Value ($000) $292 Avg Close $3.02 Range $2.57 - $3.65
Q3 2020
Shares 13,305 Value ($000) $51 Avg Close $4.22 Range $3.61 - $5.64
Q2 2020
Shares 261,754 Value ($000) $1,028 Avg Close $3.63 Range $2.67 - $4.68
Q1 2020
Shares 498,565 Value ($000) $1,512 Avg Close $3.01 Range $1.95 - $3.68
Q4 2019
Shares 324,550 Value ($000) $1,007 Avg Close $3.98 Range $2.44 - $5.92
Q3 2019
Shares 54,633 Value ($000) $319 Avg Close $5.25 Range $4.79 - $5.93
Q1 2019
Shares 24,960 Value ($000) $128 Avg Close $5.36 Range $4.64 - $6.56