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These shares were sold in multiple transactions at prices ranging from $48.02 to $49.01. 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These shares were sold in multiple transactions at prices ranging from $49.65 to $50.00. 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Brian D. Bailey and Kevin J. Martin are the managing partners of Carmichael Bandwidth LLC and CP and share voting and dispositive power with respect to the shares held by CP, CP II and CP III. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Following the transactions reported herein, consists of 8,750 shares of Class A Common Stock held by CP and 66,672 shares of Class A Common Stock held of record by Brian D. Bailey."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Pursuant to an agreement between Mr. Bailey and CP, CP is entitled to all economic benefit with respect to 7,234 shares held by Mr. Bailey."}],"balance_after":75422,"source":{"system":"sec-edgar","filing":"0001575505-26-000007","document":"wk-form4_1788293826.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1514416/000157550526000007/wk-form4_1788293826.xml","form_type":"4"}},{"id":672057,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":18430,"kind":"person","name":"Roush Lukas M.","position":1,"cik":"0001758209","reported_name":"Roush Lukas M.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-08-31T20:14:28.000Z","date":"2026-08-28","kind":"exercise","planned":true,"acquired":false,"shares":3333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Stock Unit represents a contingent right to receive one share of the Bandwidth Inc. 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These shares were sold in multiple transactions at prices ranging from $54.16 to $54.17. 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":42077,"source":{"system":"sec-edgar","filing":"0001527937-26-000008","document":"wk-form4_1787083534.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1514416/000152793726000008/wk-form4_1787083534.xml","form_type":"4"}},{"id":682960,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":17872,"kind":"person","name":"Suriano Douglas A","position":1,"cik":"0001527937","reported_name":"Suriano Douglas A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-18T20:05:37.000Z","date":"2026-08-17","kind":"sale","planned":true,"acquired":false,"shares":3800,"price":53.034,"value":201529.2,"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 May 18, 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 $52.61 to $53.45. The Reporting Person undertakes to provide Bandwidth Inc. 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These shares were sold in multiple transactions at prices ranging from $50.085 to $51.02. The Reporting Person undertakes to provide Bandwidth Inc. 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These shares were sold in multiple transactions at prices ranging from $66.69 to $66.81. 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":11958,"source":{"system":"sec-edgar","filing":"0001967808-26-000023","document":"wk-form4_1781554275.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1967808/000196780826000023/wk-form4_1781554275.xml","form_type":"4"}},{"id":738031,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":351,"kind":"person","name":"Krupka Devin M","position":1,"cik":"0001967808","reported_name":"Krupka Devin M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller, PAO"}}],"security":"Class A Common Stock","published_at":"2026-06-15T20:11:17.000Z","date":"2026-06-12","kind":"sale","planned":true,"acquired":false,"shares":4894,"price":66.1802,"value":323885.8988,"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 March 13, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.65 to $66.625. 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":12414,"source":{"system":"sec-edgar","filing":"0001967808-26-000023","document":"wk-form4_1781554275.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1967808/000196780826000023/wk-form4_1781554275.xml","form_type":"4"}},{"id":738030,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":351,"kind":"person","name":"Krupka Devin M","position":1,"cik":"0001967808","reported_name":"Krupka Devin M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller, PAO"}}],"security":"Class A Common Stock","published_at":"2026-06-15T20:11:17.000Z","date":"2026-06-12","kind":"sale","planned":true,"acquired":false,"shares":7263,"price":65.2248,"value":473727.7224,"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 March 13, 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 $64.64 to $65.63. 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":17308,"source":{"system":"sec-edgar","filing":"0001967808-26-000023","document":"wk-form4_1781554275.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1967808/000196780826000023/wk-form4_1781554275.xml","form_type":"4"}},{"id":738029,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":351,"kind":"person","name":"Krupka Devin M","position":1,"cik":"0001967808","reported_name":"Krupka Devin M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller, PAO"}}],"security":"Class A Common Stock","published_at":"2026-06-15T20:11:17.000Z","date":"2026-06-12","kind":"sale","planned":true,"acquired":false,"shares":1800,"price":64.0093,"value":115216.74,"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 March 13, 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 $63.56 to $64.545. The Reporting Person undertakes to provide Bandwidth Inc. (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":24571,"source":{"system":"sec-edgar","filing":"0001967808-26-000023","document":"wk-form4_1781554275.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1967808/000196780826000023/wk-form4_1781554275.xml","form_type":"4"}},{"id":746387,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":17994,"kind":"person","name":"Asbill Richard Brandon","position":1,"cik":"0001842470","reported_name":"Asbill Richard Brandon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2026-06-08T20:19:46.000Z","date":"2026-06-05","kind":"sale","planned":false,"acquired":false,"shares":16884,"price":72.5876,"value":1225569.0384,"ownership":{"direct":true},"footnotes":[{"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 $72.04 to $72.99. 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":3000,"source":{"system":"sec-edgar","filing":"0001842470-26-000024","document":"wk-form4_1780949983.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1842470/000184247026000024/wk-form4_1780949983.xml","form_type":"4"}},{"id":746386,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":17994,"kind":"person","name":"Asbill Richard Brandon","position":1,"cik":"0001842470","reported_name":"Asbill Richard Brandon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2026-06-08T20:19:46.000Z","date":"2026-06-05","kind":"sale","planned":false,"acquired":false,"shares":12330,"price":71.2739,"value":878807.187,"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 $71.00 to $71.99. The Reporting Person undertakes to provide Bandwidth Inc. (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":19884,"source":{"system":"sec-edgar","filing":"0001842470-26-000024","document":"wk-form4_1780949983.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1842470/000184247026000024/wk-form4_1780949983.xml","form_type":"4"}},{"id":747558,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":17873,"kind":"person","name":"Morken David A.","position":1,"cik":"0001721962","reported_name":"Morken David A.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Class A Common Stock","published_at":"2026-06-05T20:08:09.000Z","date":"2026-06-03","kind":"gift","planned":false,"acquired":false,"shares":7198,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction involved the Reporting Person's gift of shares of Bandwidth Inc. Class A Common Stock to an irrevocable trust for which he does not exercise or share voting or investment control. The Reporting Person disclaims beneficial ownership of the securities held by the trust, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner for the purposes of Section 16 or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001721962-26-000015","document":"wk-form4_1780690087.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1514416/000172196226000015/wk-form4_1780690087.xml","form_type":"4"}},{"id":751904,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1622,"kind":"person","name":"Ross Kade","position":1,"cik":"0001807759","reported_name":"Ross Kade","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:47.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":48,"price":72.5333,"value":3481.5984,"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 November 24, 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 $72.44 to $72.58. 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":43996,"source":{"system":"sec-edgar","filing":"0001807759-26-000016","document":"wk-form4_1780517444.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1807759/000180775926000016/wk-form4_1780517444.xml","form_type":"4"}},{"id":751903,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1622,"kind":"person","name":"Ross Kade","position":1,"cik":"0001807759","reported_name":"Ross Kade","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:47.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":176,"price":71.6541,"value":12611.1216,"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 November 24, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.275 to $72.05. 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":44044,"source":{"system":"sec-edgar","filing":"0001807759-26-000016","document":"wk-form4_1780517444.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1807759/000180775926000016/wk-form4_1780517444.xml","form_type":"4"}},{"id":751902,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1622,"kind":"person","name":"Ross Kade","position":1,"cik":"0001807759","reported_name":"Ross Kade","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:47.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":692,"price":70.6275,"value":48874.23,"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 November 24, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.24 to $71.02. 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":44220,"source":{"system":"sec-edgar","filing":"0001807759-26-000016","document":"wk-form4_1780517444.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1807759/000180775926000016/wk-form4_1780517444.xml","form_type":"4"}},{"id":751901,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1622,"kind":"person","name":"Ross Kade","position":1,"cik":"0001807759","reported_name":"Ross Kade","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:47.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":860,"price":69.6956,"value":59938.216,"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 November 24, 2025."},{"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 $69.22 to $70.21. 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":44912,"source":{"system":"sec-edgar","filing":"0001807759-26-000016","document":"wk-form4_1780517444.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1807759/000180775926000016/wk-form4_1780517444.xml","form_type":"4"}},{"id":751900,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":1622,"kind":"person","name":"Ross Kade","position":1,"cik":"0001807759","reported_name":"Ross Kade","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-03T20:10:47.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":2224,"price":68.6404,"value":152656.2496,"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 November 24, 2025."},{"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 $68.20 to $69.15. 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. 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":39719,"source":{"system":"sec-edgar","filing":"0001405026-26-000039","document":"wk-form4_1780517413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000039/wk-form4_1780517413.xml","form_type":"4"}},{"id":751421,"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":67.3008,"value":26920.32,"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":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.88 to $67.74. 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":40119,"source":{"system":"sec-edgar","filing":"0001405026-26-000039","document":"wk-form4_1780517413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000039/wk-form4_1780517413.xml","form_type":"4"}},{"id":751420,"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":65.15,"value":26060.0,"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":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.06 to $65.39. 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":40519,"source":{"system":"sec-edgar","filing":"0001405026-26-000039","document":"wk-form4_1780517413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000039/wk-form4_1780517413.xml","form_type":"4"}},{"id":751419,"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":1000,"price":64.4995,"value":64499.5,"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":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.05 to $65.00. 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":40919,"source":{"system":"sec-edgar","filing":"0001405026-26-000039","document":"wk-form4_1780517413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1405026/000140502626000039/wk-form4_1780517413.xml","form_type":"4"}},{"id":751418,"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":1000,"price":63.504,"value":63504.0,"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":"F2","text":"The price reported in Column 4 is a weighted average price. 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 $58.89 to $59.75. 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":26373,"source":{"system":"sec-edgar","filing":"0001967808-26-000021","document":"wk-form4_1780346604.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1967808/000196780826000021/wk-form4_1780346604.xml","form_type":"4"}},{"id":757296,"issuer":{"id":350,"kind":"organization","name":"Bandwidth Inc.","symbol":"BAND"},"owners":[{"id":351,"kind":"person","name":"Krupka Devin M","position":1,"cik":"0001967808","reported_name":"Krupka Devin M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller, PAO"}}],"security":"Class A Common Stock","published_at":"2026-06-01T20:43:27.000Z","date":"2026-05-29","kind":"sale","planned":false,"acquired":false,"shares":684,"price":58.3693,"value":39924.6012,"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 $57.88 to $58.88 The Reporting Person undertakes to provide Bandwidth Inc. 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