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CITADEL ADVISORS LLC
> RBBN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Ribbon Communications Inc. | RBBN | 234,090 | 194,555 | 653,111,000 | 542,808,000 | $2,790.00 |
| 12/31/2022 | Ribbon Communications Inc. | RBBN | 39,535 | 13,948 | 110,303,000 | 110,246,000 | $2,790.01 |
| 09/30/2022 | Ribbon Communications Inc. | RBBN | 25,587 | -2,596 | 57,000 | -29,000 | $2.23 |
| 06/30/2022 | Ribbon Communications Inc. | RBBN | 28,183 | -220,762 | 86,000 | -683,000 | $3.05 |
| 03/31/2022 | Ribbon Communications Inc. | RBBN | 248,945 | 215,684 | 769,000 | 568,000 | $3.09 |
| 12/31/2021 | Ribbon Communications Inc. | RBBN | 33,261 | 17,156 | 201,000 | 105,000 | $6.04 |
| 09/30/2021 | Ribbon Communications Inc. | RBBN | 16,105 | -52,262 | 96,000 | -425,000 | $5.96 |
| 06/30/2021 | Ribbon Communications Inc. | RBBN | 68,367 | 51,729 | 521,000 | 384,000 | $7.62 |
| 03/31/2021 | Ribbon Communications Inc. | RBBN | 16,638 | 16,638 | 137,000 | 137,000 | $8.23 |
| 06/30/2020 | Ribbon Communications Inc. | RBBN | 0 | -76,664 | 0 | -232,000 | |
| 03/31/2020 | Ribbon Communications Inc. | RBBN | 76,664 | 76,664 | 232,000 | 232,000 | $3.03 |
| 09/30/2019 | Ribbon Communications Inc. | RBBN | 0 | -20,226 | 0 | -99,000 | |
| 06/30/2019 | Ribbon Communications Inc. | RBBN | 20,226 | -124,699 | 99,000 | -647,000 | $4.89 |
| 03/31/2019 | Ribbon Communications Inc. | RBBN | 144,925 | 74,089 | 746,000 | 405,000 | $5.15 |
| 12/31/2018 | Ribbon Communications Inc. | RBBN | 70,836 | 13,928 | 341,000 | -47,000 | $4.81 |
| 09/30/2018 | Ribbon Communications Inc. | RBBN | 56,908 | -81,225 | 388,000 | -595,000 | $6.82 |
| 06/30/2018 | Ribbon Communications Inc. | RBBN | 138,133 | -48,544 | 983,000 | 31,000 | $7.12 |
| 03/31/2018 | Ribbon Communications Inc. | RBBN | 186,677 | 115,264 | 952,000 | 400,000 | $5.10 |
| 12/31/2017 | Ribbon Communications Inc. | RBBN | 71,413 | 71,413 | 552,000 | 552,000 | $7.73 |
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