RAIFORD DARYL E (Chief Financial Officer) sold 16.0% of their position (8.19K shares) of BANDWIDTH INC. on the open market

Open‑market sale worth $504.3K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 5 sales

RAIFORD DARYL E

Filed: 6/1/2026ACC: 0001405026-26-000037

InsiderRAIFORD DARYL ECIK 1405026

→

IssuerBANDWIDTH INC.CIK 1514416

Officer· Chief Financial Officer

Since Aug 2021

-8.19K

Net shares

Net seller

$504.3K

Total sold

Open market trades

0B · 5S

Total transactions

22.50K acquired · 30.69K disposed

Non-Derivative Transactions8

Class A Common Stock

Direct

M · Option Exercise

+5.73K

Price / share

—

Trade value

—

% of position

20.0%

5/28/2026

28.61K→34.34K

Class A Common Stock

Direct

M · Option Exercise

+6.17K

Price / share

—

Trade value

—

% of position

18.0%

5/28/2026

34.34K→40.51K

Class A Common Stock

Direct

S · Sale

−2.26K

Price / share

$58.37

Trade value

$132.03K

% of position

5.6%

5/29/2026

40.51K→38.24K

Class A Common Stock

Direct

S · Sale

−1.69K

Price / share

$59.48

Trade value

$100.64K

% of position

4.4%

5/29/2026

38.24K→36.55K

Class A Common Stock

Direct

S · Sale

−7.00

Price / share

$60.00

Trade value

$420.00

% of position

0.0%

5/29/2026

36.55K→36.55K

Class A Common Stock

Direct

M · Option Exercise

+10.60K

Price / share

—

Trade value

—

% of position

29.0%

5/30/2026

36.55K→47.15K

Class A Common Stock

Direct

S · Sale

−3.53K

Price / share

$64.04

Trade value

$225.93K

% of position

7.5%

6/1/2026

47.15K→43.62K

Class A Common Stock

Direct

S · Sale

−700.00

Price / share

$64.69

Trade value

$45.29K

% of position

1.6%

6/1/2026

43.62K→42.92K

Total

Net shares

+14.31K

Net value

-$504.31K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	5/28/2026	M · Option Exercise	+5.73K	—	—	20.0%	28.61K	34.34K
Class A Common Stock Direct	5/28/2026	M · Option Exercise	+6.17K	—	—	18.0%	34.34K	40.51K
Class A Common Stock Direct	5/29/2026	S · Sale	−2.26K	$58.37	$132.03K	5.6%	40.51K	38.24K
Class A Common Stock Direct	5/29/2026	S · Sale	−1.69K	$59.48	$100.64K	4.4%	38.24K	36.55K
Class A Common Stock Direct	5/29/2026	S · Sale	−7.00	$60.00	$420.00	0.0%	36.55K	36.55K
Class A Common Stock Direct	5/30/2026	M · Option Exercise	+10.60K	—	—	29.0%	36.55K	47.15K
Class A Common Stock Direct	6/1/2026	S · Sale	−3.53K	$64.04	$225.93K	7.5%	47.15K	43.62K
Class A Common Stock Direct	6/1/2026	S · Sale	−700.00	$64.69	$45.29K	1.6%	43.62K	42.92K
Total			+14.31K		-$504.31K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

5.73K shares

−5.73K

Strike price

Held after

11.46K

Exercisable

—

5/28/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

6.17K shares

−6.17K

Strike price

Held after

37.02K

Exercisable

—

5/28/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

10.60K shares

−10.60K

Strike price

Held after

0.00

Exercisable

—

5/30/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Class A Common Stock5.73K shares	5/28/2026	M · Option Exercise	−5.73K	—	11.46K
Restricted Stock Units Direct	Class A Common Stock6.17K shares	5/28/2026	M · Option Exercise	−6.17K	—	37.02K
Restricted Stock Units Direct	Class A Common Stock10.60K shares	5/30/2026	M · Option Exercise	−10.60K	—	0.00