| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Roush Lukas M. | Director | C/O BANDWIDTH INC., 2230 BANDMATE WAY, RALEIGH | /s/ Leah Webb, Attorney-in-Fact for Lukas M. Roush | 02 Mar 2026 | 0001758209 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BAND | Class A Common Stock | Options Exercise | $0 | +3,333 | +5.7% | $0.000000 | 62,298 | 28 Feb 2026 | Direct | F1 |
| 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 | -3,333 | -25% | $0.000000 | 10,000 | 28 Feb 2026 | Class A Common Stock | 3,333 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | The aggregate amount of securities owned by the Reporting Person is decreased by 153.915 shares due to a scrivener's error. |
| F2 | Each Restricted Stock Unit represents a contingent right to receive one share of Bandwidth Inc. Class A Common Stock. |
| F3 | On November 28, 2025, the Reporting Person was granted 13,333 Restricted Stock Units, which vest in four equal quarterly installments beginning on February 28, 2026. |