BAND

SEC source: 0001514416-24-000047 · wk-form4_1709334305.xml · derivative · entry 3

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,814

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: 0001514416-24-000047 · wk-form4_1709334305.xml · nonDerivative · entry 1

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 27,813

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: 0001514416-24-000042 · wk-form4_1709333099.xml · derivative · entry 2

Roush Lukas M. · CIK 0001758209 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,782

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.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F2 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 15,709 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2024.

F2 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 15,709 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2024.

SEC source: 0001514416-24-000042 · wk-form4_1709333099.xml · nonDerivative · entry 1

Roush Lukas M. · CIK 0001758209 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,276

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: 0001514416-24-000044 · wk-form4_1709333870.xml · derivative · entry 4

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,992

Underlying: Class A Common Stock · 3,141 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: 0001514416-24-000044 · wk-form4_1709333870.xml · nonDerivative · entry 1

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,332

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: 0001514416-24-000045 · wk-form4_1709334058.xml · derivative · entry 3

Bartolo Anthony · CIK 0001795145 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,100

Underlying: Class A Common Stock · 3,014 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 36,171 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 36,171 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: 0001514416-24-000045 · wk-form4_1709334058.xml · nonDerivative · entry 1

Bartolo Anthony · CIK 0001795145 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 49,829

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: 0001514416-24-000043 · wk-form4_1709333201.xml · derivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,653

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: 0001514416-24-000043 · wk-form4_1709333201.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,626

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: 0001514416-24-000041 · wk-form4_1709333003.xml · derivative · entry 2

Suriano Douglas A · CIK 0001527937 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,782

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.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F2 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 15,709 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2024.

F2 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 15,709 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2024.

SEC source: 0001514416-24-000041 · wk-form4_1709333003.xml · nonDerivative · entry 1

Suriano Douglas A · CIK 0001527937 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,530

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: 0001514416-24-000040 · wk-form4_1709332892.xml · derivative · entry 3

Murdock John C. · CIK 0001721985 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,782

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.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.

F2 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 15,709 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2024.

F2 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 15,709 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2024.

SEC source: 0001514416-24-000040 · wk-form4_1709332892.xml · nonDerivative · entry 1

Murdock John C. · CIK 0001721985 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,728

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: 0001514416-24-000039 · wk-form4_1709332561.xml · derivative · entry 2

Bailey Brian D. · CIK 0001575505 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,782

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.

F5 · derivative.exercise_date: On November 28, 2023, the Reporting Person was granted 15,709 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2024.

F5 · derivative.expiration_date: On November 28, 2023, the Reporting Person was granted 15,709 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2024.

SEC source: 0001514416-24-000039 · wk-form4_1709332561.xml · nonDerivative · entry 1

Bailey Brian D. · CIK 0001575505 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 39,825

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 ("CIP"), (ii) 908 shares of Class A Common Stock held by Carmichael Investment Partners II, LLC ("CIP II"), (iii) 608 shares of Class A Common Stock held by Carmichael Investment Partners III, LLC ("CIP III" and, together with CIP and CIP II, the "Carmichael Entities") and (iv) 36,792 shares of Class A Common Stock held directly 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: 0001514416-24-000014 · wk-form4_1705957818.xml · nonDerivative · entry 2

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,683

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on January 18, 2024, pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 3, 2023.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.175 to $13.265. 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: 0001514416-24-000014 · wk-form4_1705957818.xml · derivative · entry 3

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,453

Underlying: Class A Common Stock · 1,452 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 January 18, 2021, the Reporting Person was granted 5,811 Restricted Stock Units, which vest in four annual installments beginning on January 18, 2022.

F4 · derivative.expiration_date: On January 18, 2021, the Reporting Person was granted 5,811 Restricted Stock Units, which vest in four annual installments beginning on January 18, 2022.

SEC source: 0001514416-24-000014 · wk-form4_1705957818.xml · nonDerivative · entry 1

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,186

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: 0001514416-24-000073 · wk-form4_1712613591.xml · nonDerivative · entry 1

Murdock John C. · CIK 0001721985 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,516

F1 · kind: Represents an asset substitution transaction executed by the reporting person for estate planning purposes, pursuant to which he transferred cash to a family member's trust in exchange for the securities reported herein.

SEC source: 0001514416-24-000012 · wk-form4_1704420008.xml · nonDerivative · entry 5

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,797

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on January 2 and 3, 2024, pursuant to Rule 10b5-1 plan adopted by the Reporting Person on May 5, 2023.

SEC source: 0001514416-24-000009 · wk-form4_1704419713.xml · nonDerivative · entry 3

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,734

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on January 3, 2024, pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 3, 2023.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.45 to $13.57. 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: 0001514416-24-000011 · wk-form4_1704419925.xml · nonDerivative · entry 5

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,261

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on January 2 and 3, 2024, pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 3, 2023.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.46 to $13.5250. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001514416-24-000010 · wk-form4_1704419827.xml · nonDerivative · entry 5

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,554

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on January 2 and 3, 2024, pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 7, 2023.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.59 to $13.625. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001514416-24-000008 · wk-form4_1704419567.xml · nonDerivative · entry 3

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,191

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on January 3, 2024, pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 3, 2023.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.50 to $13.59. 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: 0001514416-24-000007 · wk-form4_1704419478.xml · nonDerivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,390

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on January 2 and 3, 2024, pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 3, 2023.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.43 to $13.59. The Reporting Person undertakes to provide the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001514416-24-000012 · wk-form4_1704420008.xml · derivative · entry 8

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 703

Underlying: Class A Common Stock · 352 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.

F2 · 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 January 3, 2022, the Reporting Person was granted 1,407 Restricted Stock Units, which vest in four equal annual installments beginning on January 3, 2023.

F5 · derivative.expiration_date: On January 3, 2022, the Reporting Person was granted 1,407 Restricted Stock Units, which vest in four equal annual installments beginning on January 3, 2023.

SEC source: 0001514416-24-000012 · wk-form4_1704420008.xml · nonDerivative · entry 4

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,923

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on January 2 and 3, 2024, pursuant to Rule 10b5-1 plan adopted by the Reporting Person on May 5, 2023.

SEC source: 0001514416-24-000012 · wk-form4_1704420008.xml · nonDerivative · entry 3

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,000

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: 0001514416-24-000009 · wk-form4_1704419713.xml · derivative · entry 5

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,642

Underlying: Class A Common Stock · 821 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 January 3, 2022, the Reporting Person was granted 3,284 Restricted Stock Units, which vest in four equal annual installments beginning on January 3, 2023.

F5 · derivative.expiration_date: On January 3, 2022, the Reporting Person was granted 3,284 Restricted Stock Units, which vest in four equal annual installments beginning on January 3, 2023.

SEC source: 0001514416-24-000009 · wk-form4_1704419713.xml · derivative · entry 4

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,163

Underlying: Class A Common Stock · 1,581 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 January 3, 2022, the Reporting Person was granted 9,488 Restricted Stock Units, half of which vested in four equal quarterly installments beginning on March 31, 2022, and the remainder vest in three equal annual installments beginning on January 3, 2024.

F4 · derivative.expiration_date: On January 3, 2022, the Reporting Person was granted 9,488 Restricted Stock Units, half of which vested in four equal quarterly installments beginning on March 31, 2022, and the remainder vest in three equal annual installments beginning on January 3, 2024.

SEC source: 0001514416-24-000009 · wk-form4_1704419713.xml · nonDerivative · entry 2

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,588

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: 0001514416-24-000009 · wk-form4_1704419713.xml · nonDerivative · entry 1

Asbill Richard Brandon · CIK 0001842470 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,767

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: 0001514416-24-000011 · wk-form4_1704419925.xml · derivative · entry 8

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,574

Underlying: Class A Common Stock · 1,285 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.

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 January 3, 2022, the Reporting Person was granted 7,719 Restricted Stock Units, half of which vested in four equal quarterly installments beginning on March 31, 2022, and the remainder vest in three equal annual installments beginning on January 3, 2024.

F7 · derivative.expiration_date: On January 3, 2022, the Reporting Person was granted 7,719 Restricted Stock Units, half of which vested in four equal quarterly installments beginning on March 31, 2022, and the remainder vest in three equal annual installments beginning on January 3, 2024.

SEC source: 0001514416-24-000011 · wk-form4_1704419925.xml · nonDerivative · entry 4

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,716

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on January 2 and 3, 2024, pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 3, 2023.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.62 to $13.63. 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 (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001514416-24-000011 · wk-form4_1704419925.xml · nonDerivative · entry 3

Ross Kade · CIK 0001807759 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,237

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: 0001514416-24-000010 · wk-form4_1704419827.xml · derivative · entry 8

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,112

Underlying: Class A Common Stock · 1,555 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 January 3, 2022, the Reporting Person was granted 9,334 Restricted Stock Units, half of which vested in four equal quarterly installments beginning on March 31, 2022, and the remainder vest in three equal annual installments beginning on January 3, 2024.

F7 · derivative.expiration_date: On January 3, 2022, the Reporting Person was granted 9,334 Restricted Stock Units, half of which vested in four equal quarterly installments beginning on March 31, 2022, and the remainder vest in three equal annual installments beginning on January 3, 2024.

SEC source: 0001514416-24-000010 · wk-form4_1704419827.xml · nonDerivative · entry 4

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 26,104

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on January 2 and 3, 2024, pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 7, 2023.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.60 to $13.63. 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 (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001514416-24-000010 · wk-form4_1704419827.xml · nonDerivative · entry 3

Bottorff Rebecca · CIK 0001804735 · Director · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 26,715

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: 0001514416-24-000008 · wk-form4_1704419567.xml · derivative · entry 6

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,391

Underlying: Class A Common Stock · 2,193 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 January 3, 2022, the Reporting Person was granted 13,169 Restricted Stock Units, half of which vested in four equal quarterly installments beginning on March 31, 2022, and the remainder vest in three equal annual installments beginning on January 3, 2024.

F5 · derivative.expiration_date: On January 3, 2022, the Reporting Person was granted 13,169 Restricted Stock Units, half of which vested in four equal quarterly installments beginning on March 31, 2022, and the remainder vest in three equal annual installments beginning on January 3, 2024.

SEC source: 0001514416-24-000008 · wk-form4_1704419567.xml · derivative · entry 5

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,359

Underlying: Class A Common Stock · 2,179 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 January 3, 2022, the Reporting Person was granted 8,718 Restricted Stock Units, which vest in four equal annual installments beginning on January 3, 2023.

F4 · derivative.expiration_date: On January 3, 2022, the Reporting Person was granted 8,718 Restricted Stock Units, which vest in four equal annual installments beginning on January 3, 2023.

SEC source: 0001514416-24-000008 · wk-form4_1704419567.xml · nonDerivative · entry 2

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,531

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: 0001514416-24-000008 · wk-form4_1704419567.xml · nonDerivative · entry 1

Raiford Daryl · CIK 0001405026 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,352

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: 0001514416-24-000007 · wk-form4_1704419478.xml · derivative · entry 14

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,972

Underlying: Class A Common Stock · 5,487 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.

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

F10 · derivative.exercise_date: On January 3, 2022, the Reporting Person was granted 21,945 Restricted Stock Units, which vest in four equal annual installments beginning on January 3, 2023.

F10 · derivative.expiration_date: On January 3, 2022, the Reporting Person was granted 21,945 Restricted Stock Units, which vest in four equal annual installments beginning on January 3, 2023.

SEC source: 0001514416-24-000007 · wk-form4_1704419478.xml · derivative · entry 13

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,835

Underlying: Class A Common Stock · 2,916 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.

F9 · derivative.exercise_date: On January 3, 2022, the Reporting Person was granted 17,502 Restricted Stock Units, half of which vested in four equal quarterly installments beginning on March 31, 2022, and the remainder vest in three equal annual installments beginning on January 3, 2024.

F9 · derivative.expiration_date: On January 3, 2022, the Reporting Person was granted 17,502 Restricted Stock Units, half of which vested in four equal quarterly installments beginning on March 31, 2022, and the remainder vest in three equal annual installments beginning on January 3, 2024.

SEC source: 0001514416-24-000007 · wk-form4_1704419478.xml · nonDerivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,970

F1 · kind: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on January 2 and 3, 2024, pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 3, 2023.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.61 to $13.64. 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 (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001514416-24-000007 · wk-form4_1704419478.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 63,760

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: 0001514416-24-000007 · wk-form4_1704419478.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,273

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: 0001514416-24-000012 · wk-form4_1704420008.xml · derivative · entry 7

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 130

Underlying: Class A Common Stock · 130 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.

F2 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Bandwidth Inc. Class A Common Stock.

F4 · derivative.exercise_date: On January 2, 2021, the Reporting Person was granted 521 Restricted Stock Units, which vest in four equal annual installments beginning on January 2, 2022.

F4 · derivative.expiration_date: On January 2, 2021, the Reporting Person was granted 521 Restricted Stock Units, which vest in four equal annual installments beginning on January 2, 2022.

SEC source: 0001514416-24-000012 · wk-form4_1704420008.xml · derivative · entry 6

Krupka Devin M · CIK 0001967808 · Controller, PAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 78 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.

F2 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Bandwidth Inc. Class A Common Stock.

F3 · derivative.exercise_date: On January 2, 2020, the Reporting Person was granted 311 Restricted Stock Units, which vested in four equal annual installments beginning on January 2, 2021.

F3 · derivative.expiration_date: On January 2, 2020, the Reporting Person was granted 311 Restricted Stock Units, which vested in four equal annual installments beginning on January 2, 2021.