Key facts
- This page summarizes Devin M. Krupka's Form 4 filing for Bandwidth Inc. (BAND).
- 7 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 01 Jun 2026, 16:43.
Devin M. Krupka - 28 May 2026 Form 4 Insider Report for Bandwidth Inc. (BAND)
- Reporting relationship
- Controller, PAO
- Issuer ticker
- BAND
- Reported as of
- 28 May 2026
- Net transaction value
- -$70,497
- SEC form
- 4
- Accepted by SEC
- 01 Jun 2026, 16:43:27 UTC
- Prior SEC filing
- 05 May 2026
- Next SEC filing
- 15 Jun 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Leah Webb, Attorney-in-Fact for Devin M. Krupka
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Devin M. Krupka filed Form 4 for Bandwidth Inc. (BAND) on 01 Jun 2026.
Change
- Previous filing in this sequence was filed on 05 May 2026.
- Current net transaction value: -$70,497.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001967808
Primary reporting owner
Krupka Devin M
- Relationship
- Controller, PAO
- Address
- C/O BANDWIDTH INC., 2230 BANDMATE WAY, RALEIGH
- Signature
- /s/ Leah Webb, Attorney-in-Fact for Devin M. Krupka
- Signature date
- 01 Jun 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
BAND
transaction
Class A Common Stock
Options Exercise
- Transaction value
- Shares
- +2,776
- Change %
- +12%
- Price
- $0.000000*
- Shares after
- 26,052
- Date
- 28 May 2026
- Ownership
- Direct
BAND
transaction
Class A Common Stock
Options Exercise
- Transaction value
- Shares
- +1,517
- Change %
- +5.8%
- Price
- $0.000000*
- Shares after
- 27,569
- Date
- 28 May 2026
- Ownership
- Direct
BAND
transaction
Class A Common Stock
Sale
- Transaction value
- $39,925
- Shares
- -684
- Change %
- -2.5%
- Price
- $58.37
- Shares after
- 26,885
- Date
- 29 May 2026
- Ownership
- Direct
- Footnotes
- F1
BAND
transaction
Class A Common Stock
Sale
- Transaction value
- $30,452
- Shares
- -512
- Change %
- -1.9%
- Price
- $59.48
- Shares after
- 26,373
- Date
- 29 May 2026
- Ownership
- Direct
- Footnotes
- F2
BAND
transaction
Class A Common Stock
Sale
- Transaction value
- $120
- Shares
- -2
- Change %
- -0.01%
- Price
- $60.00
- Shares after
- 26,371
- Date
- 29 May 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
BAND
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -2,776
- Change %
- -33%
- Price
- $0.000000*
- Shares after
- 5,550
- Date
- 28 May 2026
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
- 2,776
- Exercise price
- Footnotes
- F3, F4
BAND
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -1,517
- Change %
- -14%
- Price
- $0.000000*
- Shares after
- 9,103
- Date
- 28 May 2026
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
- 1,517
- Exercise price
- Footnotes
- F3, F5
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 5 footnotes
Footnote F1
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.88 to $58.88 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.
Footnote F2
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.89 to $59.75. 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.
Footnote F3
Each Restricted Stock Unit represents a contingent right to receive one share of the Company's Class A Common Stock.
Footnote F4
On November 28, 2023, the Reporting Person was granted 33,303 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.
Footnote F5
On November 28, 2024, the Reporting Person was granted 18,205 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.