Bandwidth Inc. — Director's Dealing 2025

Dec 4, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Bandwidth Inc. (BAND)
CIK: 0001514416
Period of Report: 2025-12-04

Reporting Person: Raiford Daryl E (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-04	Class A Common Stock	S	4131	$14.4141	Disposed	94404	Direct
2025-12-04	Class A Common Stock	S	2588	$14.6293	Disposed	91816	Direct

Footnotes

F1: Reflects shares sold to cover taxes upon the vesting of Restricted Stock Units on November 30, 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.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.2001 to $14.47. 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.

F3: Reflects shares sold pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 12, 2024.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.40 to $14.835. 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.