Devin M. Krupka

CIK: 0001967808

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)24 (42.1%)

Position reduction

Option Exercises (M)25 (43.9%)

Derivative conversions

Awards (A)2 (3.5%)

Compensation grants

Other (G, F, J, C, D, …)6 (10.5%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

BAND

Bandwidth Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (57 total)

BAND
Bandwidth Inc.
Sep 1, 2026
Sale(S)
Direct
3.1K shares at avg. $48.97$151K
BAND
Bandwidth Inc.
Aug 31, 2026
Sale(S)
Direct
506 shares at avg. $49.60$25K
BAND
Bandwidth Inc.
Aug 31, 2026
Sale(S)
Direct
713 shares at avg. $48.82$35K
BAND
Bandwidth Inc.
Aug 28, 2026
Exercise(M)
Direct
1.5K shares-
BAND
Bandwidth Inc.
Aug 28, 2026
Exercise(M)
Direct
2.8K shares-
BAND
Bandwidth Inc.
Jun 12, 2026
Sale(S)
Direct
4.9K shares at avg. $66.18$324K
BAND
Bandwidth Inc.
Jun 12, 2026
Sale(S)
Direct
7.3K shares at avg. $65.22$474K
BAND
Bandwidth Inc.
Jun 12, 2026
Sale(S)
Direct
1.8K shares at avg. $64.01$115K
BAND
Bandwidth Inc.
Jun 12, 2026
Sale(S)
Direct
456 shares at avg. $66.73$30K
BAND
Bandwidth Inc.
May 29, 2026
Sale(S)
Direct
2 shares at avg. $60.00$120
BAND
Bandwidth Inc.
May 29, 2026
Sale(S)
Direct
512 shares at avg. $59.48$30K
BAND
Bandwidth Inc.
May 29, 2026
Sale(S)
Direct
684 shares at avg. $58.37$40K
BAND
Bandwidth Inc.
May 28, 2026
Exercise(M)
Direct
1.5K shares-
BAND
Bandwidth Inc.
May 28, 2026
Exercise(M)
Direct
2.8K shares-
BAND
Bandwidth Inc.
May 5, 2026
Gift(G)
Direct
3.3K shares-
BAND
Bandwidth Inc.
May 5, 2026
Sale(S)
Direct
4.4K shares at avg. $46.04$205K
BAND
Bandwidth Inc.
Mar 21, 2026
Tax Payment(F)
Direct
524 shares at avg. $15.46$8K
BAND
Bandwidth Inc.
Mar 21, 2026
Exercise(M)
Direct
1.8K shares-
BAND
Bandwidth Inc.
Mar 4, 2026
Sale(S)
Direct
5.6K shares at avg. $15.53$87K
BAND
Bandwidth Inc.
Feb 28, 2026
Tax Payment(F)
Direct
1.2K shares at avg. $14.82$18K
BAND
Bandwidth Inc.
Feb 28, 2026
Exercise(M)
Direct
1.5K shares-
BAND
Bandwidth Inc.
Feb 28, 2026
Exercise(M)
Direct
2.8K shares-
BAND
Bandwidth Inc.
Feb 20, 2026
Tax Payment(F)
Direct
2.9K shares at avg. $15.12$43K
BAND
Bandwidth Inc.
Feb 20, 2026
Exercise(M)
Direct
8.5K shares-
BAND
Bandwidth Inc.
Jan 3, 2026
Exercise(M)
Direct
352 shares-

		Type	Shares	Price		Ownership
Sep 1, 2026	BAND Bandwidth Inc.	Sale(S)	3,074	$48.97	$150,546	Direct
Aug 31, 2026	BAND Bandwidth Inc.	Sale(S)	506	$49.60	$25,099	Direct
Aug 31, 2026	BAND Bandwidth Inc.	Sale(S)	713	$48.82	$34,811	Direct
Aug 28, 2026	BAND Bandwidth Inc.	Exercise(M)	1,518	-	$0	Direct
Aug 28, 2026	BAND Bandwidth Inc.	Exercise(M)	2,775	-	$0	Direct
Jun 12, 2026	BAND Bandwidth Inc.	Sale(S)	4,894	$66.18	$323,886	Direct
Jun 12, 2026	BAND Bandwidth Inc.	Sale(S)	7,263	$65.22	$473,728	Direct
Jun 12, 2026	BAND Bandwidth Inc.	Sale(S)	1,800	$64.01	$115,217	Direct
Jun 12, 2026	BAND Bandwidth Inc.	Sale(S)	456	$66.73	$30,430	Direct
May 29, 2026	BAND Bandwidth Inc.	Sale(S)	2	$60.00	$120	Direct
May 29, 2026	BAND Bandwidth Inc.	Sale(S)	512	$59.48	$30,452	Direct
May 29, 2026	BAND Bandwidth Inc.	Sale(S)	684	$58.37	$39,925	Direct
May 28, 2026	BAND Bandwidth Inc.	Exercise(M)	1,517	-	$0	Direct
May 28, 2026	BAND Bandwidth Inc.	Exercise(M)	2,776	-	$0	Direct
May 5, 2026	BAND Bandwidth Inc.	Gift(G)	3,333	-	$0	Direct
May 5, 2026	BAND Bandwidth Inc.	Sale(S)	4,444	$46.04	$204,592	Direct
Mar 21, 2026	BAND Bandwidth Inc.	Tax Payment(F)	524	$15.46	$8,101	Direct
Mar 21, 2026	BAND Bandwidth Inc.	Exercise(M)	1,842	-	$0	Direct
Mar 4, 2026	BAND Bandwidth Inc.	Sale(S)	5,613	$15.53	$87,149	Direct
Feb 28, 2026	BAND Bandwidth Inc.	Tax Payment(F)	1,218	$14.82	$18,051	Direct
Feb 28, 2026	BAND Bandwidth Inc.	Exercise(M)	1,517	-	$0	Direct
Feb 28, 2026	BAND Bandwidth Inc.	Exercise(M)	2,775	-	$0	Direct
Feb 20, 2026	BAND Bandwidth Inc.	Tax Payment(F)	2,859	$15.12	$43,228	Direct
Feb 20, 2026	BAND Bandwidth Inc.	Exercise(M)	8,472	-	$0	Direct
Jan 3, 2026	BAND Bandwidth Inc.	Exercise(M)	352	-	$0	Direct

1-25 of 57 transactions

About Krupka Devin M

Krupka Devin M (SEC CIK 0001967808) files insider reports with the SEC as Controller, PAO of Bandwidth Inc. (BAND).

Signal8 holds 21 ownership filings by Krupka Devin M, all Form 4s, filed between Nov 1, 2024 and Sep 2, 2026. Those filings report 57 transactions, from Oct 31, 2024 to Sep 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Krupka Devin M's filings is in RALEIGH, NC.

Recent filings by Krupka Devin M

Sep 1, 2026: Open-market sale of BAND shares (Form 4, code S).
Aug 31, 2026: Open-market sales of BAND shares (2 lines, Form 4, code S).
Aug 28, 2026: Option exercises of BAND shares (2 lines, Form 4, code M).
Jun 12, 2026: Open-market sales of BAND shares (4 lines, Form 4, code S).
May 29, 2026: Open-market sales of BAND shares (3 lines, Form 4, code S).

Other insiders filing for Bandwidth Inc. (BAND)

Roush Lukas M., Director
Harlan Emily C., General Counsel
Ross Kade, Chief Information Officer
Raiford Daryl E, Chief Financial Officer
Asbill Richard Brandon, General Counsel
Bottorff Rebecca, Chief People Officer

How to read Form 4 transaction codes