Devin M. Krupka - 28 Feb 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
28 Feb 2026
Net transactions value
-$18,051
Form type
4
Filing time
02 Mar 2026, 16:28:55 UTC
Previous filing
23 Feb 2026
Next filing
04 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 02 Mar 2026 0001967808

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BAND Class A Common Stock Options Exercise $0 +2,775 +8.6% $0.000000 35,049 28 Feb 2026 Direct
transaction BAND Class A Common Stock Options Exercise $0 +1,517 +4.3% $0.000000 36,566 28 Feb 2026 Direct
transaction BAND Class A Common Stock Tax liability $18,051 -1,218 -3.3% $14.82 35,348 28 Feb 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction BAND Restricted Stock Units Options Exercise $0 -2,775 -25% $0.000000 8,326 28 Feb 2026 Class A Common Stock 2,775 Direct F1, F2
transaction BAND Restricted Stock Units Options Exercise $0 -1,517 -12% $0.000000 10,620 28 Feb 2026 Class A Common Stock 1,517 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each Restricted Stock Unit represents a contingent right to receive one share of Bandwidth Inc. Class A Common Stock.
F2 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.
F3 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.