Devin M. Krupka - 04 Mar 2026 Form 4 Insider Report for Bandwidth Inc. (BAND)

Role: Controller, PAO
Signature: /s/ Leah Webb, Attorney-in-Fact for Devin M. Krupka
Issuer symbol: BAND
Transactions as of: 04 Mar 2026
Net transactions value: -$87,149
Form type: 4
Filing time: 04 Mar 2026, 16:06:43 UTC
Previous filing: 02 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Krupka Devin M	Controller, PAO	C/O BANDWIDTH INC., 2230 BANDMATE WAY, RALEIGH	/s/ Leah Webb, Attorney-in-Fact for Devin M. Krupka	04 Mar 2026	0001967808

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BAND	Class A Common Stock	Sale	$87,149	-5,613	-16%	$15.53	29,735	04 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.33 to $15.78. 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.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.33 to $15.78. 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.