BAND

SEC source: 0000899243-19-000505 · doc4.xml · derivative · entry 2

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,913

Underlying: Class A Common Stock · 2,913 shares

Expires not disclosed

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

F3 · derivative.exercise_date: The Restricted Stock Units vest in four equal annual installments beginning on January 2, 2020.

F3 · derivative.expiration_date: The Restricted Stock Units vest in four equal annual installments beginning on January 2, 2020.

SEC source: 0000899243-19-000505 · doc4.xml · derivative · entry 1

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,654

Underlying: Class A Common Stock · 11,654 shares

Expires not disclosed

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: One half of the Restricted Stock Units vest in four equal quarterly installments beginning on March 31, 2019. The remaining Restricted Stock Units vest in three equal annual installments beginning on January 2, 2020.

F2 · derivative.expiration_date: One half of the Restricted Stock Units vest in four equal quarterly installments beginning on March 31, 2019. The remaining Restricted Stock Units vest in three equal annual installments beginning on January 2, 2020.

SEC source: 0000899243-19-000105 · doc4.xml · derivative · entry 2

Roush Lukas M. · CIK 0001758209 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 378 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 October 30, 2018, the Reporting Person was granted 378 Restricted Stock Units which vest on December 31, 2018.

F2 · derivative.expiration_date: On October 30, 2018, the Reporting Person was granted 378 Restricted Stock Units which vest on December 31, 2018.

SEC source: 0000899243-19-000105 · doc4.xml · nonDerivative · entry 1

Roush Lukas M. · CIK 0001758209 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 378

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: 0000899243-19-000104 · doc4.xml · derivative · entry 2

Carmichael Bandwidth LLC · CIK 0001721937 · 10% owner

Bailey Brian D. · CIK 0001575505 · Director · 10% owner

Martin Kevin J · CIK 0001567046 · 10% owner

Carmichael Partners LLC · CIK 0001722003 · 10% owner

Carmichael Investment Partners, LLC · CIK 0001513802 · 10% owner

Carmichael Investment Partners II, LLC · CIK 0001562063 · 10% owner

Carmichael Investment Partners III, LLC · CIK 0001592580 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Class A Common Stock · 822 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 January 24, 2018, the Reporting Person was granted 3,288 Restricted Stock Units which vest in four equal quarterly installments beginning on March 31, 2018.

F5 · derivative.expiration_date: On January 24, 2018, the Reporting Person was granted 3,288 Restricted Stock Units which vest in four equal quarterly installments beginning on March 31, 2018.

F2 · 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 2,845 shares held by Mr. Bailey.

F3 · ownership.nature: Carmichael Bandwidth LLC is the managing member of each of the Carmichael Entities. 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 and Carmichael Partners LLC. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its or their pecuniary interest therein.

F6 · ownership.nature: Represents Restricted Stock Units held directly by Brian D. Bailey.

SEC source: 0000899243-19-000104 · doc4.xml · nonDerivative · entry 1

Carmichael Bandwidth LLC · CIK 0001721937 · 10% owner

Bailey Brian D. · CIK 0001575505 · Director · 10% owner

Martin Kevin J · CIK 0001567046 · 10% owner

Carmichael Partners LLC · CIK 0001722003 · 10% owner

Carmichael Investment Partners, LLC · CIK 0001513802 · 10% owner

Carmichael Investment Partners II, LLC · CIK 0001562063 · 10% owner

Carmichael Investment Partners III, LLC · CIK 0001592580 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 306,997

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: 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"), (iv) 297,147 shares of Class A Common Stock held directly by Carmichael Bandwidth, LLC, (v) 5,242 shares of Class A Common Stock held directly by Brian D. Bailey and (vi) 1,575 shares of Class A Common Stock held directly by Kevin J. Martin.

F2 · 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 2,845 shares held by Mr. Bailey.

F3 · ownership.nature: Carmichael Bandwidth LLC is the managing member of each of the Carmichael Entities. 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 and Carmichael Partners LLC. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its or their pecuniary interest therein.

SEC source: 0000899243-19-000106 · doc4.xml · derivative · entry 2

Suriano Douglas A · CIK 0001527937 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 822 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 January 24, 2018, the Reporting Person was granted 3,288 Restricted Stock Units which vest in four equal quarterly installments beginning on March 31, 2018.

F2 · derivative.expiration_date: On January 24, 2018, the Reporting Person was granted 3,288 Restricted Stock Units which vest in four equal quarterly installments beginning on March 31, 2018.

SEC source: 0000899243-19-000106 · doc4.xml · nonDerivative · entry 1

Suriano Douglas A · CIK 0001527937 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,110

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: 0000899243-18-030250 · doc4.xml · derivative · entry 7

Matton W. Christopher · CIK 0001721921 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,500

Underlying: Class A Common Stock · 1,822 shares

Expires 2020-07-25

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_date: The stock option is currently exercisable.

SEC source: 0000899243-18-030250 · doc4.xml · nonDerivative · entry 5

Matton W. Christopher · CIK 0001721921 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

SEC source: 0000899243-18-030250 · doc4.xml · nonDerivative · entry 4

Matton W. Christopher · CIK 0001721921 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 243

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.26 to $46.22. 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: 0000899243-18-030250 · doc4.xml · nonDerivative · entry 3

Matton W. Christopher · CIK 0001721921 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,822

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: 0000899243-18-030250 · doc4.xml · derivative · entry 6

Matton W. Christopher · CIK 0001721921 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,322

Underlying: Class A Common Stock · 33,178 shares

Expires 2020-07-25

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_date: The stock option is currently exercisable.

SEC source: 0000899243-18-030250 · doc4.xml · nonDerivative · entry 2

Matton W. Christopher · CIK 0001721921 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

SEC source: 0000899243-18-030250 · doc4.xml · nonDerivative · entry 1

Matton W. Christopher · CIK 0001721921 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,178

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: 0000899243-18-027915 · doc4.xml · nonDerivative · entry 3

Carmichael Bandwidth LLC · CIK 0001721937 · 10% owner

Bailey Brian D. · CIK 0001575505 · Director · 10% owner

Martin Kevin J · CIK 0001567046 · 10% owner

Carmichael Partners LLC · CIK 0001722003 · 10% owner

Carmichael Investment Partners, LLC · CIK 0001513802 · 10% owner

Carmichael Investment Partners II, LLC · CIK 0001562063 · 10% owner

Carmichael Investment Partners III, LLC · CIK 0001592580 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 306,175

F5 · kind: Represents a pro rata distribution in-kind by each of CIP, CIP II and CIP III to their members for no consideration.

F2 · ownership.nature: Following the transactions reported herein, includes of 1,517 shares of Class A Common Stock held by Carmichael Investment Partners, LLC ("CIP"), 908 shares of Class A Common Stock held by Carmichael Investment Partners II, LLC ("CIP II"), 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"), 297,147 shares of Class A Common Stock held directly by Carmichael Bandwidth, LLC as a result of the distribution from the Carmichael Entities, 4,420 shares of Class A Common Stock held directly by Brian D. Bailey and 1,575 shares of Class A Common Stock held directly by Kevin J. Martin.

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 2,845 shares held by Mr. Bailey.

F4 · ownership.nature: Carmichael Bandwidth, LLC is the managing member of each of the Carmichael Entities. 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 and Carmichael Partners, LLC. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its or their pecuniary interest therein.

SEC source: 0000899243-18-028412 · doc4.xml · derivative · entry 1

Roush Lukas M. · CIK 0001758209 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 378

Underlying: Class A Common Stock · 378 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 October 30, 2018, the Reporting Person was granted 378 Restricted Stock Units which vest on December 31, 2018.

F2 · derivative.expiration_date: On October 30, 2018, the Reporting Person was granted 378 Restricted Stock Units which vest on December 31, 2018.

SEC source: 0000899243-18-027915 · doc4.xml · derivative · entry 4

Carmichael Bandwidth LLC · CIK 0001721937 · 10% owner

Bailey Brian D. · CIK 0001575505 · Director · 10% owner

Martin Kevin J · CIK 0001567046 · 10% owner

Carmichael Partners LLC · CIK 0001722003 · 10% owner

Carmichael Investment Partners, LLC · CIK 0001513802 · 10% owner

Carmichael Investment Partners II, LLC · CIK 0001562063 · 10% owner

Carmichael Investment Partners III, LLC · CIK 0001592580 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 8,750

Underlying: Class A Common Stock · 301,714 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: The shares of Class B common stock are convertible into Class A common stock on a 1-to-1 basis at the option of the holder and have no expiration date.

F6 · derivative.exercise_date: The shares of Class B common stock are convertible into Class A common stock on a 1-to-1 basis at the option of the holder and have no expiration date.

F6 · derivative.expiration_date: The shares of Class B common stock are convertible into Class A common stock on a 1-to-1 basis at the option of the holder and have no expiration date.

F4 · ownership.nature: Carmichael Bandwidth, LLC is the managing member of each of the Carmichael Entities. 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 and Carmichael Partners, LLC. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its or their pecuniary interest therein.

F7 · ownership.nature: Consists of 8,750 shares of Class B common stock held by Carmichael Partners LLC.

SEC source: 0000899243-18-027915 · doc4.xml · nonDerivative · entry 2

Carmichael Bandwidth LLC · CIK 0001721937 · 10% owner

Bailey Brian D. · CIK 0001575505 · Director · 10% owner

Martin Kevin J · CIK 0001567046 · 10% owner

Carmichael Partners LLC · CIK 0001722003 · 10% owner

Carmichael Investment Partners, LLC · CIK 0001513802 · 10% owner

Carmichael Investment Partners II, LLC · CIK 0001562063 · 10% owner

Carmichael Investment Partners III, LLC · CIK 0001592580 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,496,583

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 · ownership.nature: Following the transactions reported herein, includes of 1,517 shares of Class A Common Stock held by Carmichael Investment Partners, LLC ("CIP"), 908 shares of Class A Common Stock held by Carmichael Investment Partners II, LLC ("CIP II"), 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"), 297,147 shares of Class A Common Stock held directly by Carmichael Bandwidth, LLC as a result of the distribution from the Carmichael Entities, 4,420 shares of Class A Common Stock held directly by Brian D. Bailey and 1,575 shares of Class A Common Stock held directly by Kevin J. Martin.

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 2,845 shares held by Mr. Bailey.

F4 · ownership.nature: Carmichael Bandwidth, LLC is the managing member of each of the Carmichael Entities. 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 and Carmichael Partners, LLC. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its or their pecuniary interest therein.

SEC source: 0000899243-18-025782 · doc4.xml · derivative · entry 2

Carmichael Bandwidth LLC · CIK 0001721937 · 10% owner

Bailey Brian D. · CIK 0001575505 · Director · 10% owner

Martin Kevin J · CIK 0001567046 · 10% owner

Carmichael Partners LLC · CIK 0001722003 · 10% owner

Carmichael Investment Partners, LLC · CIK 0001513802 · 10% owner

Carmichael Investment Partners II, LLC · CIK 0001562063 · 10% owner

Carmichael Investment Partners III, LLC · CIK 0001592580 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 822

Underlying: Class A Common Stock · 822 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 January 24, 2018, the Reporting Person was granted 3,288 Restricted Stock Units which vest in four equal quarterly installments beginning on March 31, 2018.

F5 · derivative.expiration_date: On January 24, 2018, the Reporting Person was granted 3,288 Restricted Stock Units which vest in four equal quarterly installments beginning on March 31, 2018.

F2 · ownership.nature: Pursuant to an agreement between Mr. Bailey and Carmichael Partners LLC, Carmichael Partners LLC is entitled to all economic benefits of such shares held by Mr. Bailey.

F3 · ownership.nature: Carmichael Bandwidth LLC is the managing member of each of Carmichael Investment Partners II, LLC ("CIP II"), Carmichael Investment Partners III, LLC ("CIP III" and, together with CIP and CIP II, the "Carmichael Entities"). 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 and Carmichael Partners LLC. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its or their pecuniary interest therein.

F6 · ownership.nature: Represents Restricted Stock Units held directly by Brian D. Bailey.

SEC source: 0000899243-18-025782 · doc4.xml · nonDerivative · entry 1

Carmichael Bandwidth LLC · CIK 0001721937 · 10% owner

Bailey Brian D. · CIK 0001575505 · Director · 10% owner

Martin Kevin J · CIK 0001567046 · 10% owner

Carmichael Partners LLC · CIK 0001722003 · 10% owner

Carmichael Investment Partners, LLC · CIK 0001513802 · 10% owner

Carmichael Investment Partners II, LLC · CIK 0001562063 · 10% owner

Carmichael Investment Partners III, LLC · CIK 0001592580 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,193,294

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: Consists of 1,188,874 shares of Class A Common Stock held by Carmichael Investment Partners LLC ("CIP") and 4,420 shares of Class A Common Stock held directly by Brian D. Bailey.

F2 · ownership.nature: Pursuant to an agreement between Mr. Bailey and Carmichael Partners LLC, Carmichael Partners LLC is entitled to all economic benefits of such shares held by Mr. Bailey.

F3 · ownership.nature: Carmichael Bandwidth LLC is the managing member of each of Carmichael Investment Partners II, LLC ("CIP II"), Carmichael Investment Partners III, LLC ("CIP III" and, together with CIP and CIP II, the "Carmichael Entities"). 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 and Carmichael Partners LLC. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its or their pecuniary interest therein.

SEC source: 0000899243-18-025786 · doc4.xml · derivative · entry 2

Kaestner Henry R. · CIK 0001721977 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 822

Underlying: Class A Common Stock · 822 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 January 24, 2018, the Reporting Person was granted 3,288 Restricted Stock Units which vest in four equal quarterly installments beginning on March 31, 2018.

F2 · derivative.expiration_date: On January 24, 2018, the Reporting Person was granted 3,288 Restricted Stock Units which vest in four equal quarterly installments beginning on March 31, 2018.

SEC source: 0000899243-18-025786 · doc4.xml · nonDerivative · entry 1

Kaestner Henry R. · CIK 0001721977 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,845

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: 0000899243-18-025784 · doc4.xml · derivative · entry 2

Suriano Douglas A · CIK 0001527937 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 822

Underlying: Class A Common Stock · 822 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 January 24, 2018, the Reporting Person was granted 3,288 Restricted Stock Units which vest in four equal quarterly installments beginning on March 31, 2018.

F2 · derivative.expiration_date: On January 24, 2018, the Reporting Person was granted 3,288 Restricted Stock Units which vest in four equal quarterly installments beginning on March 31, 2018.

SEC source: 0000899243-18-025784 · doc4.xml · nonDerivative · entry 1

Suriano Douglas A · CIK 0001527937 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,288

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: 0000899243-18-023882 · doc4.xml · derivative · entry 6

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 11,522 shares

Expires 2021-10-31

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_date: The stock option is currently exercisable.

SEC source: 0000899243-18-023882 · doc4.xml · nonDerivative · entry 4

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.75 to $47.60. 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: 0000899243-18-023882 · doc4.xml · nonDerivative · entry 3

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,522

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: 0000899243-18-023882 · doc4.xml · derivative · entry 5

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,522

Underlying: Class A Common Stock · 4,986 shares

Expires 2021-10-31

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_date: The stock option is currently exercisable.

F5 · balance_after: The reporting persons's prior Form 4, filed on August 31, 2018, incorrectly stated the number of derivative securities beneficially owned following the reported transaction.

SEC source: 0000899243-18-023882 · doc4.xml · nonDerivative · entry 2

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.25 to $45.48. 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: 0000899243-18-023882 · doc4.xml · nonDerivative · entry 1

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,986

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: 0000899243-18-023651 · doc4.xml · derivative · entry 6

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,731

Underlying: Class A Common Stock · 1,600 shares

Expires 2021-10-31

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_date: The stock option is currently exercisable.

SEC source: 0000899243-18-023651 · doc4.xml · nonDerivative · entry 4

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.25 to $45.28. 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: 0000899243-18-023651 · doc4.xml · nonDerivative · entry 3

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,600

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: 0000899243-18-023651 · doc4.xml · derivative · entry 5

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,390

Underlying: Class A Common Stock · 2,223 shares

Expires 2021-10-31

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_date: The stock option is currently exercisable.

SEC source: 0000899243-18-023651 · doc4.xml · nonDerivative · entry 2

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.25 to $45.31. 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: 0000899243-18-023651 · doc4.xml · nonDerivative · entry 1

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,223

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: 0000899243-18-023464 · doc4.xml · derivative · entry 6

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,331

Underlying: Class A Common Stock · 4,282 shares

Expires 2021-10-31

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_date: The stock option is currently exercisable.

SEC source: 0000899243-18-023464 · doc4.xml · nonDerivative · entry 4

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.26 to $45.43. 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: 0000899243-18-023464 · doc4.xml · nonDerivative · entry 3

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,282

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: 0000899243-18-023464 · doc4.xml · derivative · entry 5

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,613

Underlying: Class A Common Stock · 11,909 shares

Expires 2021-10-31

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_date: The stock option is currently exercisable.

SEC source: 0000899243-18-023464 · doc4.xml · nonDerivative · entry 2

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.25 to $45.69. 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: 0000899243-18-023464 · doc4.xml · nonDerivative · entry 1

Hoffman Jeffrey A. · CIK 0001721896 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,909

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: 0000899243-18-023372 · doc4.xml · nonDerivative · entry 2

Kaestner Henry R. · CIK 0001721977 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AMDG Unitrust No. 2

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.00 to $45.15. 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: 0000899243-18-023372 · doc4.xml · nonDerivative · entry 1

Kaestner Henry R. · CIK 0001721977 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AMDG Unitrust No. 1

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.00 to $45.15. 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: 0000899243-18-023216 · doc4.xml · nonDerivative · entry 3

Kaestner Henry R. · CIK 0001721977 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AMDG Unitrust No. 2

Disclosed balance after: 16,848

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.00 to $45.22. 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: 0000899243-18-023216 · doc4.xml · nonDerivative · entry 2

Kaestner Henry R. · CIK 0001721977 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AMDG Unitrust No. 1

Disclosed balance after: 25,203

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.00 to $45.22. 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: 0000899243-18-023216 · doc4.xml · nonDerivative · entry 1

Kaestner Henry R. · CIK 0001721977 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AMDG Unitrust No. 1

Disclosed balance after: 36,650

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

SEC source: 0000899243-18-022470 · doc4.xml · nonDerivative · entry 4

Kaestner Henry R. · CIK 0001721977 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AMDG Unitrust No. 2

Disclosed balance after: 24,500

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.48 to $44.66. 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: 0000899243-18-022470 · doc4.xml · nonDerivative · entry 3

Kaestner Henry R. · CIK 0001721977 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AMDG Unitrust No. 2

Disclosed balance after: 25,000

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.42 to $44.35. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.