Bandwidth Inc. — Director's Dealing 2025

Dec 2, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Bandwidth Inc. (BAND)
CIK: 0001514416
Period of Report: 2025-11-28

Reporting Person: Suriano Douglas A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-28	Class A Common Stock	M	2024	—	Acquired	39410	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-28	Restricted Stock Units	$	M	2024	Disposed		Class A Common Stock (2024)	Direct
2025-11-28	Restricted Stock Units	$	A	13333	Acquired		Class A Common Stock (13333)	Direct

Footnotes

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

F2: On November 28, 2024, the Reporting Person was granted 8,098 Restricted Stock Units, which vested in four equal quarterly installments beginning on February 28, 2025.

F3: On November 28, 2025, the Reporting Person was granted 13,333 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2026.