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These shares were sold in multiple transactions at prices ranging from $49.65 to $50.00. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":28605,"source":{"system":"sec-edgar","filing":"0001405026-26-000045","document":"wk-form4_1788466013.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1514416/000140502626000045/wk-form4_1788466013.xml","form_type":"4"}},{"id":2030,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1610,"kind":"person","name":"Raiford Daryl E","position":1,"cik":"0001405026","reported_name":"Raiford Daryl E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-09-03T20:07:05.000Z","date":"2026-09-02","kind":"sale","planned":true,"acquired":false,"shares":1400,"price":48.987,"value":68581.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects shares sold pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 3, 2025, as modified on June 3, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.60 to $49.35. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":31896,"source":{"system":"sec-edgar","filing":"0001405026-26-000045","document":"wk-form4_1788466013.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1514416/000140502626000045/wk-form4_1788466013.xml","form_type":"4"}},{"id":2029,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1610,"kind":"person","name":"Raiford Daryl E","position":1,"cik":"0001405026","reported_name":"Raiford Daryl E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-09-03T20:07:05.000Z","date":"2026-09-02","kind":"sale","planned":true,"acquired":false,"shares":2536,"price":47.7354,"value":121056.9744,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects shares sold pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 3, 2025, as modified on June 3, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.40 to $48.23. The Reporting Person undertakes to provide Bandwidth Inc. 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These shares were sold in multiple transactions at prices ranging from $49.33 to $49.6351. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":35832,"source":{"system":"sec-edgar","filing":"0001405026-26-000043","document":"wk-form4_1788293930.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000043/wk-form4_1788293930.xml","form_type":"4"}},{"id":670996,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1610,"kind":"person","name":"Raiford Daryl E","position":1,"cik":"0001405026","reported_name":"Raiford Daryl E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-09-01T20:18:52.000Z","date":"2026-08-31","kind":"sale","planned":false,"acquired":false,"shares":2734,"price":48.8226,"value":133480.9884,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.29 to $49.28. The Reporting Person undertakes to provide Bandwidth Inc. 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These shares were sold in multiple transactions at prices ranging from $71.13 to $71.19. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":28705,"source":{"system":"sec-edgar","filing":"0001405026-26-000039","document":"wk-form4_1780517413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000039/wk-form4_1780517413.xml","form_type":"4"}},{"id":751428,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1610,"kind":"person","name":"Raiford Daryl E","position":1,"cik":"0001405026","reported_name":"Raiford Daryl E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:18.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":1200,"price":70.3511,"value":84421.32,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects shares sold pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 3, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.98 to $70.81. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":29205,"source":{"system":"sec-edgar","filing":"0001405026-26-000039","document":"wk-form4_1780517413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000039/wk-form4_1780517413.xml","form_type":"4"}},{"id":751427,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1610,"kind":"person","name":"Raiford Daryl E","position":1,"cik":"0001405026","reported_name":"Raiford Daryl E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:18.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":1706,"price":69.2798,"value":118191.3388,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects shares sold pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 3, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.80 to $69.75. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":30405,"source":{"system":"sec-edgar","filing":"0001405026-26-000039","document":"wk-form4_1780517413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000039/wk-form4_1780517413.xml","form_type":"4"}},{"id":751426,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1610,"kind":"person","name":"Raiford Daryl E","position":1,"cik":"0001405026","reported_name":"Raiford Daryl E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:18.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":2868,"price":68.2111,"value":195629.4348,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects shares sold pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 3, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.80 to $68.79. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":32111,"source":{"system":"sec-edgar","filing":"0001405026-26-000039","document":"wk-form4_1780517413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000039/wk-form4_1780517413.xml","form_type":"4"}},{"id":751425,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1610,"kind":"person","name":"Raiford Daryl E","position":1,"cik":"0001405026","reported_name":"Raiford Daryl E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:18.000Z","date":"2026-06-01","kind":"sale","planned":true,"acquired":false,"shares":1200,"price":71.4417,"value":85730.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects shares sold pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 3, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.31 to $71.73. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":34979,"source":{"system":"sec-edgar","filing":"0001405026-26-000039","document":"wk-form4_1780517413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000039/wk-form4_1780517413.xml","form_type":"4"}},{"id":751424,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1610,"kind":"person","name":"Raiford Daryl E","position":1,"cik":"0001405026","reported_name":"Raiford Daryl E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:18.000Z","date":"2026-06-01","kind":"sale","planned":true,"acquired":false,"shares":2940,"price":70.891,"value":208419.54,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects shares sold pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 3, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.25 to $71.18. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":36179,"source":{"system":"sec-edgar","filing":"0001405026-26-000039","document":"wk-form4_1780517413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000039/wk-form4_1780517413.xml","form_type":"4"}},{"id":751423,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1610,"kind":"person","name":"Raiford Daryl E","position":1,"cik":"0001405026","reported_name":"Raiford Daryl E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:18.000Z","date":"2026-06-01","kind":"sale","planned":true,"acquired":false,"shares":600,"price":69.3522,"value":41611.32,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects shares sold pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 3, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.07 to $69.64. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":39119,"source":{"system":"sec-edgar","filing":"0001405026-26-000039","document":"wk-form4_1780517413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000039/wk-form4_1780517413.xml","form_type":"4"}},{"id":751422,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1610,"kind":"person","name":"Raiford Daryl E","position":1,"cik":"0001405026","reported_name":"Raiford Daryl E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:18.000Z","date":"2026-06-01","kind":"sale","planned":true,"acquired":false,"shares":400,"price":68.0125,"value":27205.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects shares sold pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 3, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.94 to $68.06. 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These shares were sold in multiple transactions at prices ranging from $65.06 to $65.39. 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These shares were sold in multiple transactions at prices ranging from $64.05 to $65.00. 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These shares were sold in multiple transactions at prices ranging from $62.93 to $63.87. The Reporting Person undertakes to provide Bandwidth Inc. 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These shares were sold in multiple transactions at prices ranging from $64.69 to $64.70. 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These shares were sold in multiple transactions at prices ranging from $63.48 to $64.455. 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These shares were sold in multiple transactions at prices ranging from $58.89 to $59.75. 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These shares were sold in multiple transactions at prices ranging from $20.00 to $20.02. The Reporting Person undertakes to provide Bandwidth Inc. 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These shares were sold in multiple transactions at prices ranging from $15.08 to $15.4550. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":36645,"source":{"system":"sec-edgar","filing":"0001405026-26-000022","document":"wk-form4_1773691522.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000022/wk-form4_1773691522.xml","form_type":"4"}},{"id":841469,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1610,"kind":"person","name":"Raiford Daryl E","position":1,"cik":"0001405026","reported_name":"Raiford Daryl E","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class A Common Stock","published_at":"2026-03-16T20:05:25.000Z","date":"2026-03-12","kind":"sale","planned":false,"acquired":false,"shares":17026,"price":15.4651,"value":263308.7926,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. 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