Bandwidth Inc. — Director's Dealing 2026

Jan 6, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Bandwidth Inc. (BAND)
CIK: 0001514416
Period of Report: 2026-01-03

Reporting Person: Krupka Devin M (Controller, PAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-03	Class A Common Stock	M	352	—	Acquired	26780	Direct
2026-01-03	Class A Common Stock	F	119	$14.22	Disposed	26661	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-03	Restricted Stock Units	$	M	352	Disposed		Class A Common Stock (352)	Direct

Footnotes

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

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