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This PSU will vest on 3/15/2022."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"On March 17, 2021, the reporting person filed a Form 4 that, due to a mathematical error, inadvertently reported an inaccurate number of target shares in columns 5, 7 and 9."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On March 17, 2021, the reporting person filed a Form 4 that, due to a mathematical error, inadvertently reported an inaccurate number of target shares in columns 5, 7 and 9."}],"balance_after":13939,"derivative":{"underlying":"Common Stock","underlying_shares":13939},"source":{"system":"sec-edgar","filing":"0001708055-21-000075","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1550524/000170805521000075/edgar.xml","form_type":"4/A","original_submission_date":"2021-03-17"}},{"id":2781156,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":123679,"kind":"person","name":"Scarfo Anthony","position":1,"cik":"0001550524","reported_name":"Scarfo Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & GM Cloud & Edge"}}],"security":"RSUs","published_at":"2021-03-17T19:26:04.000Z","date":"2021-03-16","kind":"exercise","acquired":false,"shares":54014,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"On March 16, 2020, the Reporting Person was awarded 162,038 RSUs which vested as to one-third on March 16, 2021.  The remaining RSUs vest in four equal semi-annual installments thereafter through March 16, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"On March 16, 2020, the Reporting Person was awarded 162,038 RSUs which vested as to one-third on March 16, 2021.  The remaining RSUs vest in four equal semi-annual installments thereafter through March 16, 2023."}],"balance_after":108024,"derivative":{"underlying":"Common Stock","underlying_shares":54014},"source":{"system":"sec-edgar","filing":"0001708055-21-000059","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1550524/000170805521000059/edgar.xml","form_type":"4"}},{"id":2781155,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":123679,"kind":"person","name":"Scarfo Anthony","position":1,"cik":"0001550524","reported_name":"Scarfo Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & GM Cloud & Edge"}}],"security":"PSUs","published_at":"2021-03-17T19:26:04.000Z","date":"2021-03-15","kind":"grant","acquired":true,"shares":16727,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Each PSU represents a contingent right to receive one share of the Issuer's Common Stock, based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of a peer index of companies set by the Compensation Committee over the three fiscal years ending prior to the vesting date. The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Each PSU represents a contingent right to receive one share of the Issuer's Common Stock, based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of a peer index of companies set by the Compensation Committee over the three fiscal years ending prior to the vesting date. The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Each PSU represents a contingent right to receive one share of the Issuer's Common Stock, based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of a peer index of companies set by the Compensation Committee over the three fiscal years ending prior to the vesting date. The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2024."}],"balance_after":16727,"derivative":{"underlying":"Common Stock","underlying_shares":16727},"source":{"system":"sec-edgar","filing":"0001708055-21-000059","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1550524/000170805521000059/edgar.xml","form_type":"4"}},{"id":2781154,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":123679,"kind":"person","name":"Scarfo Anthony","position":1,"cik":"0001550524","reported_name":"Scarfo Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & GM Cloud & Edge"}}],"security":"PSUs","published_at":"2021-03-17T19:26:04.000Z","date":"2021-03-15","kind":"grant","acquired":true,"shares":25090,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on goals set by the Compensation Committee on an annual basis for each of the three fiscal years prior to the vesting date.  The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on goals set by the Compensation Committee on an annual basis for each of the three fiscal years prior to the vesting date.  The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on goals set by the Compensation Committee on an annual basis for each of the three fiscal years prior to the vesting date.  The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2024."}],"balance_after":25090,"derivative":{"underlying":"Common Stock","underlying_shares":25090},"source":{"system":"sec-edgar","filing":"0001708055-21-000059","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1550524/000170805521000059/edgar.xml","form_type":"4"}},{"id":2781153,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":123679,"kind":"person","name":"Scarfo Anthony","position":1,"cik":"0001550524","reported_name":"Scarfo Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & GM Cloud & Edge"}}],"security":"Performance-Based Restricted Stock Units (PSUs)","published_at":"2021-03-17T19:26:04.000Z","date":"2021-03-15","kind":"grant","acquired":true,"shares":41817,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on achievement of a revenue goal set by the Compensation Committee of the Issuer's Board of Directors (the \"Compensation Committee\") for the fiscal year ending December 31, 2021.  The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2022."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on achievement of a revenue goal set by the Compensation Committee of the Issuer's Board of Directors (the \"Compensation Committee\") for the fiscal year ending December 31, 2021.  The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on achievement of a revenue goal set by the Compensation Committee of the Issuer's Board of Directors (the \"Compensation Committee\") for the fiscal year ending December 31, 2021.  The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2022."}],"balance_after":41817,"derivative":{"underlying":"Common Stock","underlying_shares":41817},"source":{"system":"sec-edgar","filing":"0001708055-21-000059","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1550524/000170805521000059/edgar.xml","form_type":"4"}},{"id":2781152,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":123679,"kind":"person","name":"Scarfo Anthony","position":1,"cik":"0001550524","reported_name":"Scarfo Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & GM Cloud & Edge"}}],"security":"Restricted Stock Units (RSUs)","published_at":"2021-03-17T19:26:04.000Z","date":"2021-03-15","kind":"grant","acquired":true,"shares":41817,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs will vest as to one-third on March 15, 2022 and the remaining two-thirds of the RSUs will vest in four equal semi-annual installments thereafter through March 15, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The RSUs will vest as to one-third on March 15, 2022 and the remaining two-thirds of the RSUs will vest in four equal semi-annual installments thereafter through March 15, 2024."}],"balance_after":41817,"derivative":{"underlying":"Common Stock","underlying_shares":41817},"source":{"system":"sec-edgar","filing":"0001708055-21-000059","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1550524/000170805521000059/edgar.xml","form_type":"4"}},{"id":2781151,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":123679,"kind":"person","name":"Scarfo Anthony","position":1,"cik":"0001550524","reported_name":"Scarfo Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & GM Cloud & Edge"}}],"security":"Common Stock","published_at":"2021-03-17T19:26:04.000Z","date":"2021-03-16","kind":"tax_withholding","acquired":false,"shares":22307,"price":8.65,"value":192955.55,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of PSUs."}],"balance_after":121733,"source":{"system":"sec-edgar","filing":"0001708055-21-000059","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1550524/000170805521000059/edgar.xml","form_type":"4"}},{"id":2781150,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":123679,"kind":"person","name":"Scarfo Anthony","position":1,"cik":"0001550524","reported_name":"Scarfo Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & GM Cloud & Edge"}}],"security":"Common Stock","published_at":"2021-03-17T19:26:04.000Z","date":"2021-03-16","kind":"exercise","acquired":true,"shares":54014,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"RSUs convert into Common Stock on a one-for-one basis."}],"balance_after":145439,"source":{"system":"sec-edgar","filing":"0001708055-21-000059","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1550524/000170805521000059/edgar.xml","form_type":"4"}},{"id":2818837,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":123679,"kind":"person","name":"Scarfo Anthony","position":1,"cik":"0001550524","reported_name":"Scarfo Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & GM Cloud & Edge"}}],"security":"PSUs","published_at":"2021-03-02T20:33:06.000Z","date":"2021-02-26","kind":"grant","acquired":true,"shares":20023,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on goals set by the Compensation Committee (the \"Compensation Committee\") of the Issuer's Board of Directors on an annual basis for each of the three fiscal years prior to the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Compensation Committee determined that the 2020 pre-bonus adjusted EBITDA (50% weighting) and Revenue (50% weighting) metrics resulted in a combined 125% level of the target awards being earned for the 2020 financial performance period, subject to no material changes in connection with the finalization of the audit and the filing of the Issuer's Annual Report on Form 10-K for the year ended December 31, 2020 (the \"2020 Form 10-K\"). The 2020 Form 10-K was filed with the U.S. Securities and Exchange Commission on February 26, 2021. As a result, Mr. Scarfo earned 20,023 shares for the 2020 performance year portion of awards made in 2020, pending his continued employment with the Issuer through the vesting date (third anniversary of the date of grant)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Compensation Committee determined that the 2020 pre-bonus adjusted EBITDA (50% weighting) and Revenue (50% weighting) metrics resulted in a combined 125% level of the target awards being earned for the 2020 financial performance period, subject to no material changes in connection with the finalization of the audit and the filing of the Issuer's Annual Report on Form 10-K for the year ended December 31, 2020 (the \"2020 Form 10-K\"). The 2020 Form 10-K was filed with the U.S. Securities and Exchange Commission on February 26, 2021. As a result, Mr. Scarfo earned 20,023 shares for the 2020 performance year portion of awards made in 2020, pending his continued employment with the Issuer through the vesting date (third anniversary of the date of grant)."}],"balance_after":20023,"derivative":{"underlying":"Common Stock","underlying_shares":20023},"source":{"system":"sec-edgar","filing":"0001708055-21-000038","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1550524/000170805521000038/edgar.xml","form_type":"4"}},{"id":2818836,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":123679,"kind":"person","name":"Scarfo Anthony","position":1,"cik":"0001550524","reported_name":"Scarfo Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & GM Cloud & Edge"}}],"security":"Performance Based Restricted Stock Units (PSUs)","published_at":"2021-03-02T20:33:06.000Z","date":"2021-02-26","kind":"grant","acquired":true,"shares":17960,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on goals set by the Compensation Committee (the \"Compensation Committee\") of the Issuer's Board of Directors on an annual basis for each of the three fiscal years prior to the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Compensation Committee determined that the 2020 pre-bonus adjusted EBITDA (50% weighting) and Revenue (50% weighting) metrics resulted in a combined 125% level of the target awards being earned for the 2020 financial performance period, subject to no material changes in connection with the finalization of the audit and the filing of the Issuer's Annual Report on Form 10-K for the year ended December 31, 2020 (the \"2020 Form 10-K\"). The 2020 Form 10-K was filed with the U.S. Securities and Exchange Commission on February 26, 2021. As a result, Mr. Scarfo earned 17,960 shares for the 2020 performance year portion of awards made in 2019, pending his continued employment with the Issuer through the vesting date (third anniversary of the date of grant)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Compensation Committee determined that the 2020 pre-bonus adjusted EBITDA (50% weighting) and Revenue (50% weighting) metrics resulted in a combined 125% level of the target awards being earned for the 2020 financial performance period, subject to no material changes in connection with the finalization of the audit and the filing of the Issuer's Annual Report on Form 10-K for the year ended December 31, 2020 (the \"2020 Form 10-K\"). The 2020 Form 10-K was filed with the U.S. Securities and Exchange Commission on February 26, 2021. As a result, Mr. Scarfo earned 17,960 shares for the 2020 performance year portion of awards made in 2019, pending his continued employment with the Issuer through the vesting date (third anniversary of the date of grant)."}],"balance_after":22341,"derivative":{"underlying":"Common Stock","underlying_shares":17960},"source":{"system":"sec-edgar","filing":"0001708055-21-000038","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1550524/000170805521000038/edgar.xml","form_type":"4"}},{"id":2858367,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":123679,"kind":"person","name":"Scarfo Anthony","position":1,"cik":"0001550524","reported_name":"Scarfo Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & GM Cloud & Edge"}}],"security":"Common 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granted on June 17, 2019 and vest over a three-year period as follows: one-third of the RSUs vested on June 17, 2020, one-sixth of the RSUs vested on December 17, 2020, and the remaining RSUs will vest as to one-sixth on each of June 17, 2021, December 17, 2021 and June 17, 2022."}],"balance_after":40584,"derivative":{"underlying":"Common Stock","underlying_shares":13528},"source":{"system":"sec-edgar","filing":"0001708055-20-000205","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1550524/000170805520000205/edgar.xml","form_type":"4"}},{"id":2935816,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":123679,"kind":"person","name":"Scarfo Anthony","position":1,"cik":"0001550524","reported_name":"Scarfo Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & GM Cloud & 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The remaining one-sixth of the RSUs will vest on June 15, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"15,000 RSUs were granted on June 15, 2018 and vest over a three-year period as follows: one-third of the RSUs vested on June 15, 2019 and one-sixth of the RSUs vested on each of December 15, 2019, June 15, 2020 and December 15, 2020.  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