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Swiss National Bank
> RBBN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Ribbon Communications Inc. | RBBN | 202,674 | 39,400 | 565,460,000 | 7,063,000 | $2,790.00 |
| 03/31/2023 | Ribbon Communications Inc. | RBBN | 163,274 | -18,800 | 558,397,000 | 50,411,000 | $3,420.00 |
| 12/31/2022 | Ribbon Communications Inc. | RBBN | 182,074 | 7,000 | 507,986,000 | 507,597,000 | $2,790.00 |
| 09/30/2022 | Ribbon Communications Inc. | RBBN | 175,074 | 0 | 389,000 | -143,000 | $2.22 |
| 06/30/2022 | Ribbon Communications Inc. | RBBN | 175,074 | -53,400 | 532,000 | -174,000 | $3.04 |
| 03/31/2022 | Ribbon Communications Inc. | RBBN | 228,474 | 16,900 | 706,000 | -574,000 | $3.09 |
| 12/31/2021 | Ribbon Communications Inc. | RBBN | 211,574 | 0 | 1,280,000 | 15,000 | $6.05 |
| 09/30/2021 | Ribbon Communications Inc. | RBBN | 211,574 | 3,300 | 1,265,000 | -320,000 | $5.98 |
| 06/30/2021 | Ribbon Communications Inc. | RBBN | 208,274 | 42,200 | 1,585,000 | 222,000 | $7.61 |
| 03/31/2021 | Ribbon Communications Inc. | RBBN | 166,074 | 2,000 | 1,363,000 | 287,000 | $8.21 |
| 12/31/2020 | Ribbon Communications Inc. | RBBN | 164,074 | 0 | 1,076,000 | 441,000 | $6.56 |
| 09/30/2020 | Ribbon Communications Inc. | RBBN | 164,074 | 27,900 | 635,000 | 100,000 | $3.87 |
| 06/30/2020 | Ribbon Communications Inc. | RBBN | 136,174 | 28,800 | 535,000 | 210,000 | $3.93 |
| 03/31/2020 | Ribbon Communications Inc. | RBBN | 107,374 | 3,600 | 325,000 | 3,000 | $3.03 |
| 12/31/2019 | Ribbon Communications Inc. | RBBN | 103,774 | 0 | 322,000 | -284,000 | $3.10 |
| 09/30/2019 | Ribbon Communications Inc. | RBBN | 103,774 | 6,800 | 606,000 | 132,000 | $5.84 |
| 06/30/2019 | Ribbon Communications Inc. | RBBN | 96,974 | 0 | 474,000 | -25,000 | $4.89 |
| 03/31/2019 | Ribbon Communications Inc. | RBBN | 96,974 | 5,400 | 499,000 | 58,000 | $5.15 |
| 12/31/2018 | Ribbon Communications Inc. | RBBN | 91,574 | 0 | 441,000 | -184,000 | $4.82 |
| 09/30/2018 | Ribbon Communications Inc. | RBBN | 91,574 | 0 | 625,000 | -27,000 | $6.83 |
| 06/30/2018 | Ribbon Communications Inc. | RBBN | 91,574 | 0 | 652,000 | 185,000 | $7.12 |
| 03/31/2018 | Ribbon Communications Inc. | RBBN | 91,574 | 10,600 | 467,000 | -159,000 | $5.10 |
| 12/31/2017 | Ribbon Communications Inc. | RBBN | 80,974 | 80,974 | 626,000 | 626,000 | $7.73 |
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