Bandwidth Inc. — Director's Dealing 2026

Mar 2, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Bandwidth Inc. (BAND)
CIK: 0001514416
Period of Report: 2026-02-28

Reporting Person: Bottorff Rebecca (Director, Chief People Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-28	Class A Common Stock	M	1487	—	Acquired	64662	Direct
2026-02-28	Class A Common Stock	M	4121	—	Acquired	68783	Direct
2026-02-28	Class A Common Stock	M	2188	—	Acquired	70971	Direct
2026-02-28	Class A Common Stock	F	2219	$14.82	Disposed	68752	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-28	Restricted Stock Units	$	M	1487	Disposed		Class A Common Stock (1487)	Direct
2026-02-28	Restricted Stock Units	$	M	4121	Disposed		Class A Common Stock (4121)	Direct
2026-02-28	Restricted Stock Units	$	M	2188	Disposed		Class A Common Stock (2188)	Direct

Footnotes

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

F2: On August 28, 2023, the Reporting Person was granted 17,844 Restricted Stock Units, one third of which vested on the first anniversary of the date of grant and the remaining shares vest in eight quarterly installments beginning on November 28, 2024.

F3: On November 28, 2023, the Reporting Person was granted 49,451 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, 2025.

F4: On November 28, 2024, the Reporting Person was granted 26,257 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, 2026.