BAND

SEC source: 0001514416-25-000043 · wk-form4_1741135111.xml · nonDerivative · entry 5

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 130,295

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.

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: 0001514416-25-000042 · wk-form4_1741135100.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 142,439

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: 0001514416-25-000043 · wk-form4_1741135111.xml · derivative · entry 11

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,011

Underlying: Class A Common Stock · 10,602 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.

F6 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F9 · derivative.exercise_date: On May 30, 2023, the Reporting Person was granted 127,226 Restricted Stock Units, one third of which vest on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on August 30, 2024.

F9 · derivative.expiration_date: On May 30, 2023, the Reporting Person was granted 127,226 Restricted Stock Units, one third of which vest on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on August 30, 2024.

SEC source: 0001514416-25-000043 · wk-form4_1741135111.xml · nonDerivative · entry 4

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 138,048

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: 0001514416-25-000044 · wk-form4_1741135122.xml · derivative · entry 7

Agarwal Devesh · CIK 0002029692 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,617

Underlying: Class A Common Stock · 62,617 shares

Expires not disclosed

F4 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F7 · derivative.exercise_date: On February 28, 2025, the Reporting Person was granted 62,617 Restricted Stock Units, one third of which will vest on the first anniversary of the date of grant and the remaining shares will vest in eight equal quarterly installments beginning on May 28, 2026.

F7 · derivative.expiration_date: On February 28, 2025, the Reporting Person was granted 62,617 Restricted Stock Units, one third of which will vest on the first anniversary of the date of grant and the remaining shares will vest in eight equal quarterly installments beginning on May 28, 2026.

SEC source: 0001514416-25-000044 · wk-form4_1741135122.xml · derivative · entry 6

Agarwal Devesh · CIK 0002029692 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 27,491

Underlying: Class A Common Stock · 3,927 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 the Company's Class A Common Stock.

F6 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 47,127 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares will vest in eight equal quarterly installments beginning on February 28, 2025.

F6 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 47,127 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares will vest in eight equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000044 · wk-form4_1741135122.xml · derivative · entry 5

Agarwal Devesh · CIK 0002029692 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,459

Underlying: Class A Common Stock · 2,153 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 the Company's Class A Common Stock.

F5 · derivative.exercise_date: On November 28, 2022, the Reporting Person was granted 25,837 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.

F5 · derivative.expiration_date: On November 28, 2022, the Reporting Person was granted 25,837 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: 0001514416-25-000044 · wk-form4_1741135122.xml · nonDerivative · entry 3

Agarwal Devesh · CIK 0002029692 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,951

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 · kind: On February 28, 2025, the Reporting Person was granted 15,032 Restricted Stock Units, all of which vested immediately.

SEC source: 0001514416-25-000044 · wk-form4_1741135122.xml · nonDerivative · entry 2

Agarwal Devesh · CIK 0002029692 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,919

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: 0001514416-25-000044 · wk-form4_1741135122.xml · nonDerivative · entry 1

Agarwal Devesh · CIK 0002029692 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,992

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: 0001514416-25-000048 · wk-form4_1741135166.xml · derivative · entry 6

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,427

Underlying: Class A Common Stock · 2,775 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 the Company's Class A Common Stock.

F6 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 33,303 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares will vest in eight equal quarterly installments beginning on February 28, 2025.

F6 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 33,303 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares will vest in eight equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000048 · wk-form4_1741135166.xml · derivative · entry 5

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,108

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.

F4 · 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, 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.

F5 · 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: 0001514416-25-000048 · wk-form4_1741135166.xml · nonDerivative · entry 3

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,958

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 · kind: On February 28, 2025, the Reporting Person was granted 7,401 Restricted Stock Units, all of which vested immediately.

SEC source: 0001514416-25-000048 · wk-form4_1741135166.xml · nonDerivative · entry 2

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,557

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: 0001514416-25-000048 · wk-form4_1741135166.xml · nonDerivative · entry 1

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,782

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: 0001514416-25-000045 · wk-form4_1741135133.xml · derivative · entry 7

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,180

Underlying: Class A Common Stock · 4,169 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.

F5 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F7 · 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 will vest in eight equal quarterly installments beginning on February 28, 2025.

F7 · 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 will vest in eight equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000045 · wk-form4_1741135133.xml · derivative · entry 6

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,856

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.

F5 · 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, 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.

F6 · 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: 0001514416-25-000045 · wk-form4_1741135133.xml · nonDerivative · entry 3

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 63,104

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 · kind: On February 28, 2025, the Reporting Person was granted 12,291 Restricted Stock Units, all of which vested immediately.

SEC source: 0001514416-25-000045 · wk-form4_1741135133.xml · nonDerivative · entry 2

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,813

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: 0001514416-25-000045 · wk-form4_1741135133.xml · nonDerivative · entry 1

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 46,644

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: 0001514416-25-000047 · wk-form4_1741135155.xml · derivative · entry 8

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,740

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.

F4 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F7 · 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 will vest in eight equal quarterly installments beginning on February 28, 2025.

F7 · 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 will vest in eight equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000047 · wk-form4_1741135155.xml · derivative · entry 7

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,677

Underlying: Class A Common Stock · 446 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 the Company's Class A Common Stock.

F6 · 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.

F6 · 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: 0001514416-25-000047 · wk-form4_1741135155.xml · derivative · entry 6

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,578

Underlying: Class A Common Stock · 1,859 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 the Company's Class A Common Stock.

F5 · 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.

F5 · 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: 0001514416-25-000047 · wk-form4_1741135155.xml · nonDerivative · entry 4

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,061

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 · kind: On February 28, 2025, the Reporting Person was granted 9,949 Restricted Stock Units, all of which vested immediately.

SEC source: 0001514416-25-000047 · wk-form4_1741135155.xml · nonDerivative · entry 3

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,112

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: 0001514416-25-000047 · wk-form4_1741135155.xml · nonDerivative · entry 2

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,721

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: 0001514416-25-000047 · wk-form4_1741135155.xml · nonDerivative · entry 1

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,275

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: 0001514416-25-000046 · wk-form4_1741135145.xml · derivative · entry 9

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,846

Underlying: Class A Common Stock · 4,121 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.

F6 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F9 · derivative.exercise_date: On November 28, 2023, 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 will vest in eight equal quarterly installments beginning on February 28, 2025.

F9 · derivative.expiration_date: On November 28, 2023, 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 will vest in eight equal quarterly installments beginning on February 28, 2025.

SEC source: 0001514416-25-000046 · wk-form4_1741135145.xml · derivative · entry 8

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,922

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.

F6 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F8 · derivative.exercise_date: On August 28, 2023, the Reporting Person was granted 17,844 Restricted Stock Units, one third of which vest on the first anniversary of the date of grant and the remaining shares vest in eight quarterly installments beginning on November 28, 2024.

F8 · derivative.expiration_date: On August 28, 2023, the Reporting Person was granted 17,844 Restricted Stock Units, one third of which vest 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: 0001514416-25-000046 · wk-form4_1741135145.xml · derivative · entry 7

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,777

Underlying: Class A Common Stock · 2,260 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.

F6 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F7 · 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.

F7 · 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: 0001514416-25-000046 · wk-form4_1741135145.xml · nonDerivative · entry 4

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 69,219

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 · kind: On February 28, 2025, the Reporting Person was granted 12,211 Restricted Stock Units, all of which vested immediately.

SEC source: 0001514416-25-000046 · wk-form4_1741135145.xml · nonDerivative · entry 3

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,008

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: 0001514416-25-000046 · wk-form4_1741135145.xml · nonDerivative · entry 2

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 52,887

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: 0001514416-25-000046 · wk-form4_1741135145.xml · nonDerivative · entry 1

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 51,400

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: 0001514416-25-000041 · wk-form4_1741135090.xml · derivative · entry 2

Roush Lukas M. · CIK 0001758209 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,073

Underlying: Class A Common Stock · 2,025 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: 0001514416-25-000041 · wk-form4_1741135090.xml · nonDerivative · entry 1

Roush Lukas M. · CIK 0001758209 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,045.915

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: 0001514416-25-000043 · wk-form4_1741135111.xml · derivative · entry 10

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,114

Underlying: Class A Common Stock · 5,731 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.

F6 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F8 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 68,767 Restricted Stock Units, one third of which vest on the first anniversary of the date of grant and the remaining shares vest in eight equal quarterly installments beginning on February 28, 2025.

F8 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 68,767 Restricted Stock Units, one third of which vest 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: 0001514416-25-000043 · wk-form4_1741135111.xml · derivative · entry 9

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,425

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.

F6 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F7 · 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.

F7 · 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: 0001514416-25-000043 · wk-form4_1741135111.xml · nonDerivative · entry 3

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 127,446

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 · kind: On February 28, 2025, the Reporting Person was granted 22,051 Restricted Stock Units, all of which vested immediately.

SEC source: 0001514416-25-000043 · wk-form4_1741135111.xml · nonDerivative · entry 2

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,395

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: 0001514416-25-000043 · wk-form4_1741135111.xml · nonDerivative · entry 1

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 99,664

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: 0001514416-25-000042 · wk-form4_1741135100.xml · derivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,090

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.

F4 · 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 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.

F6 · 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: 0001514416-25-000042 · wk-form4_1741135100.xml · derivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,708

Underlying: Class A Common Stock · 4,237 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 the Company's Class A Common Stock.

F5 · 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.

F5 · 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: 0001514416-25-000042 · wk-form4_1741135100.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 156,092

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 · kind: On February 28, 2025, the Reporting Person was granted 34,345 Restricted Stock Units, all of which vested immediately.

SEC source: 0001514416-25-000042 · wk-form4_1741135100.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 121,747

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: 0001514416-25-000042 · wk-form4_1741135100.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,020

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: 0001514416-25-000040 · wk-form4_1741135081.xml · derivative · entry 2

Suriano Douglas A · CIK 0001527937 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,073

Underlying: Class A Common Stock · 2,025 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: 0001514416-25-000040 · wk-form4_1741135081.xml · nonDerivative · entry 1

Suriano Douglas A · CIK 0001527937 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,337

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: 0001514416-25-000039 · wk-form4_1741135071.xml · derivative · entry 3

Murdock John C. · CIK 0001721985 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,073

Underlying: Class A Common Stock · 2,025 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: 0001514416-25-000039 · wk-form4_1741135071.xml · nonDerivative · entry 1

Murdock John C. · CIK 0001721985 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,323

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.