BAND

SEC source: 0001514416-25-000098 · wk-form4_1748639916.xml · derivative · entry 4

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,739

Underlying: Class A Common Stock · 1,369 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F4 · derivative.exercise_date: On November 28, 2022, the Reporting Person was granted 16,432 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

F4 · derivative.expiration_date: On November 28, 2022, the Reporting Person was granted 16,432 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

SEC source: 0001514416-25-000098 · wk-form4_1748639916.xml · nonDerivative · entry 2

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,630

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000098 · wk-form4_1748639916.xml · nonDerivative · entry 1

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,855

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000095 · wk-form4_1748639737.xml · derivative · entry 5

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,012

Underlying: Class A Common Stock · 4,168 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F5 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 50,023 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2025.

F5 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 50,023 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000095 · wk-form4_1748639737.xml · derivative · entry 4

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,571

Underlying: Class A Common Stock · 2,285 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F4 · derivative.exercise_date: On November 28, 2022, the Reporting Person was granted 27,424 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

F4 · derivative.expiration_date: On November 28, 2022, the Reporting Person was granted 27,424 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

SEC source: 0001514416-25-000095 · wk-form4_1748639737.xml · nonDerivative · entry 2

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 48,928

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000095 · wk-form4_1748639737.xml · nonDerivative · entry 1

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,760

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000097 · wk-form4_1748639892.xml · derivative · entry 7

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,349

Underlying: Class A Common Stock · 3,391 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F6 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 40,697 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2025.

F6 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 40,697 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000097 · wk-form4_1748639892.xml · derivative · entry 6

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,230

Underlying: Class A Common Stock · 447 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F5 · derivative.exercise_date: On August 28, 2023, the Reporting Person was granted 5,353 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight quarterly installments beginning on November 28, 2024.

F5 · derivative.expiration_date: On August 28, 2023, the Reporting Person was granted 5,353 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight quarterly installments beginning on November 28, 2024.

SEC source: 0001514416-25-000097 · wk-form4_1748639892.xml · derivative · entry 5

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,718

Underlying: Class A Common Stock · 1,860 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F4 · derivative.exercise_date: On November 28, 2022, the Reporting Person was granted 22,311 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

F4 · derivative.expiration_date: On November 28, 2022, the Reporting Person was granted 22,311 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

SEC source: 0001514416-25-000097 · wk-form4_1748639892.xml · nonDerivative · entry 3

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,878

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000097 · wk-form4_1748639892.xml · nonDerivative · entry 2

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,487

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000097 · wk-form4_1748639892.xml · nonDerivative · entry 1

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,040

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000096 · wk-form4_1748639789.xml · derivative · entry 7

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,726

Underlying: Class A Common Stock · 4,120 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F6 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 49,451 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2025.

F6 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 49,451 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000096 · wk-form4_1748639789.xml · derivative · entry 6

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,435

Underlying: Class A Common Stock · 1,487 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F5 · derivative.exercise_date: On August 28, 2023, the Reporting Person was granted 17,844 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight quarterly installments beginning on November 28, 2024.

F5 · derivative.expiration_date: On August 28, 2023, the Reporting Person was granted 17,844 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight quarterly installments beginning on November 28, 2024.

SEC source: 0001514416-25-000096 · wk-form4_1748639789.xml · derivative · entry 5

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,518

Underlying: Class A Common Stock · 2,259 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F4 · derivative.exercise_date: On November 28, 2022, the Reporting Person was granted 27,110 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

F4 · derivative.expiration_date: On November 28, 2022, the Reporting Person was granted 27,110 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

SEC source: 0001514416-25-000096 · wk-form4_1748639789.xml · nonDerivative · entry 3

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,553

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000096 · wk-form4_1748639789.xml · nonDerivative · entry 2

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,433

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000096 · wk-form4_1748639789.xml · nonDerivative · entry 1

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,946

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000089 · wk-form4_1748639254.xml · derivative · entry 2

Roush Lukas M. · CIK 0001758209 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,049

Underlying: Class A Common Stock · 2,024 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Bandwidth Inc. Class A Common Stock.

F2 · derivative.exercise_date: On November 28, 2024, the Reporting Person was granted 8,098 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2025.

F2 · derivative.expiration_date: On November 28, 2024, the Reporting Person was granted 8,098 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000089 · wk-form4_1748639254.xml · nonDerivative · entry 1

Roush Lukas M. · CIK 0001758209 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,069.915

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000093 · wk-form4_1748639503.xml · derivative · entry 6

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,384

Underlying: Class A Common Stock · 5,730 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F5 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 68,767 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2025.

F5 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 68,767 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000093 · wk-form4_1748639503.xml · derivative · entry 5

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,283

Underlying: Class A Common Stock · 3,142 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F4 · derivative.exercise_date: On November 28, 2022, the Reporting Person was granted 37,700 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

F4 · derivative.expiration_date: On November 28, 2022, the Reporting Person was granted 37,700 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

SEC source: 0001514416-25-000093 · wk-form4_1748639503.xml · nonDerivative · entry 2

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 119,811

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000093 · wk-form4_1748639503.xml · nonDerivative · entry 1

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,081

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000092 · wk-form4_1748639472.xml · derivative · entry 5

Morken David A. · CIK 0001721962 · Director · Chairman & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 46,363

Underlying: Class A Common Stock · 7,727 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F5 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 92,725 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2025.

F5 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 92,725 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000092 · wk-form4_1748639472.xml · derivative · entry 4

Morken David A. · CIK 0001721962 · Director · Chairman & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,472

Underlying: Class A Common Stock · 4,236 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F4 · derivative.exercise_date: On November 28, 2022, the Reporting Person was granted 50,834 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

F4 · derivative.expiration_date: On November 28, 2022, the Reporting Person was granted 50,834 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2024.

SEC source: 0001514416-25-000092 · wk-form4_1748639472.xml · nonDerivative · entry 2

Morken David A. · CIK 0001721962 · Director · Chairman & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,963

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000092 · wk-form4_1748639472.xml · nonDerivative · entry 1

Morken David A. · CIK 0001721962 · Director · Chairman & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,236

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000091 · wk-form4_1748639364.xml · derivative · entry 2

Suriano Douglas A · CIK 0001527937 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,049

Underlying: Class A Common Stock · 2,024 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Bandwidth Inc. Class A Common Stock.

F2 · derivative.exercise_date: On November 28, 2024, the Reporting Person was granted 8,098 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2025.

F2 · derivative.expiration_date: On November 28, 2024, the Reporting Person was granted 8,098 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000091 · wk-form4_1748639364.xml · nonDerivative · entry 1

Suriano Douglas A · CIK 0001527937 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,361

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000090 · wk-form4_1748639346.xml · derivative · entry 2

Bailey Brian D. · CIK 0001575505 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,049

Underlying: Class A Common Stock · 2,024 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Bandwidth Inc. Class A Common Stock.

F5 · derivative.exercise_date: On November 28, 2024, the Reporting Person was granted 8,098 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2025.

F5 · derivative.expiration_date: On November 28, 2024, the Reporting Person was granted 8,098 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000090 · wk-form4_1748639346.xml · nonDerivative · entry 1

Bailey Brian D. · CIK 0001575505 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 64,406

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.nature: Carmichael Bandwidth LLC is the managing member of each of the Carmichael Entities (as defined below in footnote 2). Brian D. Bailey and Kevin J. Martin are the managing partners of Carmichael Bandwidth LLC and Carmichael Partners LLC and share voting and dispositive power with respect to the shares held by the Carmichael Entities (as defined below in footnote 2) and Carmichael Partners LLC. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein.

F2 · ownership.nature: Following the transactions reported herein, consists of (i) 1,517 shares of Class A Common Stock held by Carmichael Investment Partners, LLC; (ii) 8,750 shares of Class A Common Stock held by Carmichael Partners, LLC ("CP"); (iii) 908 shares of Class A Common Stock held by Carmichael Investment Partners II, LLC ("CIP II"); (iv) 608 shares of Class A Common Stock held by Carmichael Investment Partners III, LLC ("CIP III" and, together with CP and CIP II, the "Carmichael Entities") and (v) 52,623 shares of Class A Common Stock held of record by Brian D. Bailey.

F3 · ownership.nature: Pursuant to an agreement between Mr. Bailey and Carmichael Partners LLC, Carmichael Partners LLC is entitled to all economic benefit with respect to 7,234 shares held by Mr. Bailey.

SEC source: 0001514416-25-000088 · wk-form4_1748639152.xml · derivative · entry 2

Murdock John C. · CIK 0001721985 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,049

Underlying: Class A Common Stock · 2,024 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Bandwidth Inc. Class A Common Stock.

F2 · derivative.exercise_date: On November 28, 2024, the Reporting Person was granted 8,098 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2025.

F2 · derivative.expiration_date: On November 28, 2024, the Reporting Person was granted 8,098 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000088 · wk-form4_1748639152.xml · nonDerivative · entry 1

Murdock John C. · CIK 0001721985 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,347

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000057 · wk-form4_1742933114.xml · nonDerivative · entry 2

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,486

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on March 21, 2025, pursuant to a Rule 10b5-1 instruction letter adopted by the Reporting Person on May 5, 2023 related solely to tax obligations associated with awards received in connection with Bandwidth Inc. (the "Company") equity compensation programs.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.16 to $15.21. 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.

SEC source: 0001514416-25-000057 · wk-form4_1742933114.xml · derivative · entry 3

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,842

Underlying: Class A Common Stock · 1,842 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F4 · derivative.exercise_date: On March 21, 2022, the Reporting Person was granted 7,368 Restricted Stock Units, which vest in four equal annual installments beginning on March 21, 2023.

F4 · derivative.expiration_date: On March 21, 2022, the Reporting Person was granted 7,368 Restricted Stock Units, which vest in four equal annual installments beginning on March 21, 2023.

SEC source: 0001514416-25-000057 · wk-form4_1742933114.xml · nonDerivative · entry 1

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,030

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001514416-25-000054 · wk-form4_1741987308.xml · nonDerivative · entry 1

Murdock John C. · CIK 0001721985 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By John C, Murdock Family Line Trust

Disclosed balance after: 0

F1 · kind: This transaction involved a gift of shares of Bandwidth Inc. Class A Common Stock by the John C. Murdock Family Line Trust to an irrevocable trust for which the Reporting Person 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.

SEC source: 0001514416-25-000052 · wk-form4_1741984166.xml · nonDerivative · entry 1

Morken David A. · CIK 0001721962 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · kind: 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.

SEC source: 0001514416-25-000050 · wk-form4_1741299437.xml · nonDerivative · entry 1

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,475

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.20 to $15.39. 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.

SEC source: 0001514416-25-000045 · wk-form4_1741135133.xml · nonDerivative · entry 5

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 52,353

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.20 to $15.45. 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.

SEC source: 0001514416-25-000043 · wk-form4_1741135111.xml · nonDerivative · entry 7

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 110,939

F2 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on February 28 and March 2, 2025, pursuant to a Rule 10b5-1 instruction letter adopted by the Reporting Person on March 3, 2023 related solely to tax obligations associated with awards received in connection with Bandwidth Inc. (the "Company") equity compensation programs.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.74 to $14.86. 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.

SEC source: 0001514416-25-000044 · wk-form4_1741135122.xml · nonDerivative · entry 4

Agarwal Devesh · CIK 0002029692 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,413

F2 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on February 28, 2025, pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 3, 2023 related solely to tax obligations associated with awards received in connection with Bandwidth Inc. (the "Company") equity compensation programs.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.06 to $16.04. 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.

SEC source: 0001514416-25-000048 · wk-form4_1741135166.xml · nonDerivative · entry 4

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,188

F2 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on February 28, 2025, pursuant to a Rule 10b5-1 instruction letter adopted by the Reporting Person on May 5, 2023 related solely to tax obligations associated with awards received in connection with Bandwidth Inc. (the "Company") equity compensation programs.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.06 to $16.04. 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.

SEC source: 0001514416-25-000045 · wk-form4_1741135133.xml · nonDerivative · entry 4

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,475

F2 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on February 28, 2025, pursuant to a Rule 10b5-1 instruction letter adopted by the Reporting Person on March 3, 2023 related solely to tax obligations associated with awards received in connection with Bandwidth Inc. (the "Company") equity compensation programs.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.06 to $16.04. 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.

SEC source: 0001514416-25-000047 · wk-form4_1741135155.xml · nonDerivative · entry 5

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 63,180

F2 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on February 28, 2025, pursuant to a Rule 10b5-1 instruction letter adopted by the Reporting Person on March 3, 2023 related solely to tax obligations associated with awards received in connection with Bandwidth Inc. (the "Company") equity compensation programs.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.06 to $16.04. 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.

SEC source: 0001514416-25-000046 · wk-form4_1741135145.xml · nonDerivative · entry 6

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,687

F4 · kind: Reflects shares sold pursuant to a Rule 10b5-1 instruction letter adopted by the Reporting Person on June 13, 2024.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.05 to $16.04. 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.

SEC source: 0001514416-25-000046 · wk-form4_1741135145.xml · nonDerivative · entry 5

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 63,094

F2 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on February 28, 2025, pursuant to a Rule 10b5-1 instruction letter adopted by the Reporting Person on March 7, 2023 related solely to tax obligations associated with awards received in connection with Bandwidth Inc. (the "Company") equity compensation programs.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.06 to $16.04. 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.

SEC source: 0001514416-25-000043 · wk-form4_1741135111.xml · nonDerivative · entry 6

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,795

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.50 to $15.58. 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.