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Bandwidth Inc. (BAND) Chief Financial Officer Daryl Raiford reported sales of Class A common stock on September 2-4, 2025 totaling 8,861 shares. The transactions were executed under a Rule 10b5-1 instruction and included sales at weighted-average prices of $14.9592, $15.2315 and $15.4621, reflecting reported price ranges between $14.72 and $15.65. One sale on September 3, 2025 specifically reflects shares sold to cover tax withholding for Restricted Stock Units that vested August 30, 2025. Following these transactions the reporting person beneficially owned 128,538 Class A shares directly and 1,625 shares indirectly through an IRA.

Devin M. Krupka, Controller and PAO of Bandwidth Inc. (BAND), reported equity transactions tied to vested restricted stock units. On 08/28/2025 Mr. Krupka had 1,370 and 2,776 restricted stock units treated as acquired for reporting purposes upon vesting, increasing beneficial ownership to 27,547 shares before a subsequent sale. On 08/29/2025 he sold 1,189 shares at a weighted average price of $15.0851, with prices in the sale ranging from $14.87 to $15.1947. The filing shows 26,358 shares beneficially owned after the sale.

The report notes the sales were to cover taxes upon vesting and executed pursuant to a Rule 10b5-1 instruction adopted May 5, 2023. The filing includes grant vintages: 16,432 RSUs from 11/28/2022 and 33,303 RSUs from 11/28/2023 with scheduled vesting described in the explanations.

Ross Kade, Chief Information Officer of Bandwidth Inc. (BAND), reported vesting of Restricted Stock Units and a related tax-withholding sale under a Rule 10b5-1 plan. On 08/28/2025 he received 1,859, 446 and 3,392 Class A shares from vested RSUs, and on 08/29/2025 he sold 1,634 shares to cover taxes at a weighted average price of $15.0851 per share (sale prices ranged from $14.87 to $15.1947). After these transactions the filing shows the Reporting Person beneficially owned 71,250 Class A shares. The sale was executed solely to satisfy tax obligations tied to equity awards under a 10b5-1 instruction adopted March 3, 2023.

Rebecca Bottorff, Chief People Officer and Director of Bandwidth Inc. (BAND), reported restricted stock unit vesting and related tax-share sales. On August 28, 2025, multiple grants of Restricted Stock Units vested, producing issuances of Class A common stock recorded as acquisitions at $0 per share for accounting purposes. To cover tax withholding, 2,257 shares were sold on August 29, 2025, in multiple transactions at a weighted average price of $15.0851 per share, with sale prices ranging from $14.87 to $15.1947. Following these transactions, Bottorff beneficially owned 42,706 shares of Class A common stock. The Form 4 was executed by an attorney-in-fact on September 2, 2025.

BandWidth Inc. (BAND) Form 4 shows General Counsel R. Brandon Asbill received and had restricted stock units (RSUs) vest on 08/28/2025 and 08/28/2025 grants, then sold shares on 08/29/2025 to cover taxes. On 08/28/2025 the reporting person was credited with 2,286 and 4,169 Class A shares from vested RSUs; following those entries beneficial ownership rose to 53,469 shares. On 08/29/2025 a weighted-average 1,852 shares were sold at $15.0851 (range $14.87�$15.1947) to satisfy tax withholding tied to the vesting, leaving 51,617 shares reported owned. The sales were made pursuant to a Rule 10b5-1 instruction adopted 03/03/2023.

Devesh Agarwal, Chief Operating Officer of Bandwidth Inc. (BAND), reported equity activity related to vested Restricted Stock Units and a small open-market sale for tax withholding. On 08/28/2025 he had 2,153 and 3,928 Class A shares recorded as acquired (vested) from RSUs, bringing incremental holdings; those RSUs correspond to grants made on 11/28/2022 and 11/28/2023 with time-based vesting schedules. On 08/29/2025 he sold 1,745 shares at a weighted-average price of $15.0851 to cover taxes pursuant to a Rule 10b5-1 instruction adopted 03/03/2023. Following the reported transactions, the filing shows 67,263 Class A shares beneficially owned.

Bandwidth Inc. insider transactions: Chief Financial Officer Daryl Raiford reported multiple issuances and a small sale tied to vested equity awards. On August 28-30, 2025 the reporting person had Restricted Stock Units vest and converted to Class A common shares under the company equity programs, resulting in aggregate increases to direct holdings to 137,399 shares by August 30, 2025. On August 29, 2025, 3,488 shares were sold at a weighted average price of $15.0851 to cover taxes under a Rule 10b5-1 plan adopted March 3, 2023. The Form 4 discloses grant schedules and vesting histories for the RSUs tied to grants dated November 28, 2022, May 30, 2023 and November 28, 2023.

David A. Morken, Chairman & CEO and director of Bandwidth Inc. (BAND), reported transactions tied to vested restricted stock units. On August 28, 2025, a total of 11,964 restricted stock units vested (4,236 and 7,728) and were converted into Class A common shares. A portion of the resulting shares were sold on August 29, 2025 to cover tax withholding under a Rule 10b5-1 instruction, with 5,224 shares sold at a weighted average price of $15.0851 (sales ranged $14.87�$15.1947). After these transactions, the reporting person beneficially owns 13,704 shares of Class A common stock. The Form 4 reflects routine equity-compensation vesting and tax-related sales rather than discretionary open-market trading.

Douglas A. Suriano, a director of Bandwidth Inc. (BAND), reported on Form 4 that on 08/28/2025 he acquired 2,025 shares of Class A common stock through the vesting of restricted stock units at a price of $0. After the reported transaction his direct beneficial ownership of Class A common stock is 37,386 shares. The filing notes that these restricted stock units were part of an 8,098 RSU grant made on November 28, 2024, which vests in four equal quarterly installments beginning February 28, 2025. The Form 4 is signed by an attorney-in-fact on behalf of Mr. Suriano and bears a signature date of 09/02/2025.