RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025
Shares 769,074 Value ($000) $2,215 Avg Close $3.23 Range $2.72 - $4.09
Q3 2025
Shares 769,487 Value ($000) $2,924 Avg Close $3.93 Range $3.57 - $4.29
Q2 2025
Shares 766,198 Value ($000) $3,072 Avg Close $3.60 Range $3.01 - $4.29
Q1 2025
Shares 747,781 Value ($000) $2,931 Avg Close $4.21 Range $3.66 - $5.38
Q4 2024
Shares 760,767 Value ($000) $3,165 Avg Close $3.78 Range $3.03 - $4.39
Q3 2024
Shares 762,892 Value ($000) $2,479 Avg Close $3.24 Range $2.75 - $3.95
Q2 2024
Shares 748,908 Value ($000) $2,464 Avg Close $3.04 Range $2.47 - $3.58
Q1 2024
Shares 694,314 Value ($000) $2,222 Avg Close $3.04 Range $2.75 - $3.65
Q4 2023
Shares 690,263 Value ($000) $2,002 Avg Close $2.25 Range $1.78 - $3.00
Q3 2023
Shares 681,498 Value ($000) $1,826 Avg Close $2.92 Range $2.59 - $3.59
Q2 2023
Shares 659,524 Value ($000) $1,840 Avg Close $2.77 Range $2.30 - $3.49
Q1 2023
Shares 621,397 Value ($000) $2,125 Avg Close $3.65 Range $2.70 - $4.84
Q4 2022
Shares 643,416 Value ($000) $1,795 Avg Close $2.59 Range $2.19 - $3.14
Q3 2022
Shares 526,130 Value ($000) $1,169 Avg Close $3.17 Range $2.22 - $3.99
Q2 2022
Shares 749,119 Value ($000) $2,278 Avg Close $3.02 Range $2.57 - $3.65
Q1 2022
Shares 768,144 Value ($000) $2,374 Avg Close $4.10 Range $2.74 - $6.42
Q4 2021
Shares 733,170 Value ($000) $4,436 Avg Close $5.93 Range $5.11 - $6.46
Q3 2021
Shares 716,295 Value ($000) $4,284 Avg Close $6.75 Range $5.80 - $7.78
Q2 2021
Shares 712,736 Value ($000) $5,424 Avg Close $7.65 Range $6.29 - $8.72
Q1 2021
Shares 693,719 Value ($000) $5,696 Avg Close $8.28 Range $6.22 - $11.25
Q4 2020
Shares 664,130 Value ($000) $4,357 Avg Close $5.28 Range $3.62 - $7.49
Q3 2020
Shares 675,400 Value ($000) $2,614 Avg Close $4.22 Range $3.61 - $5.64
Q2 2020
Shares 560,476 Value ($000) $2,203 Avg Close $3.63 Range $2.67 - $4.68
Q1 2020
Shares 506,054 Value ($000) $1,534 Avg Close $3.01 Range $1.95 - $3.68
Q4 2019
Shares 347,290 Value ($000) $1,077 Avg Close $3.98 Range $2.44 - $5.92
Q3 2019
Shares 338,643 Value ($000) $1,978 Avg Close $5.25 Range $4.79 - $5.93
Q2 2019
Shares 313,787 Value ($000) $1,535 Avg Close $4.88 Range $4.23 - $5.55
Q1 2019
Shares 291,653 Value ($000) $1,503 Avg Close $5.36 Range $4.64 - $6.56
Q4 2018
Shares 280,465 Value ($000) $1,352 Avg Close $5.80 Range $4.62 - $7.20
Q3 2018
Shares 276,632 Value ($000) $1,890 Avg Close $7.12 Range $6.36 - $7.89
Q2 2018
Shares 277,052 Value ($000) $1,973 Avg Close $5.86 Range $4.97 - $7.28
Q1 2018
Shares 230,622 Value ($000) $1,177 Avg Close $6.47 Range $5.01 - $7.93
Q4 2017
Shares 220,500 Value ($000) $1,705 Avg Close $7.68 Range $6.89 - $9.05