BHRB · Burke & Herbert Financial Services Corp. · Insider Trading

Shares purchased pursuant to the Burke & Herbert Financial Services Corp. 2023 Employee Stock Purchase Plan ("ESPP"), for the ESPP purchase period of March 1, 2026, through August 31, 2026. In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the issuer's common stock on February 27, 2026, which was the lower of the closing price on the (i) start date or (ii) the end date of the applicable purchase period. Because the start date commenced on a non-trading date, the closing price on the immediately preceding trading date was used. These shares were acquired under the ESPP in transactions exempted by Rule 16b-3(c) and Rule 16b-3(d).

Shares purchased pursuant to the Burke & Herbert Financial Services Corp. 2023 Employee Stock Purchase Plan ("ESPP"), for the ESPP purchase period of March 1, 2026, through August 31, 2026. In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the issuer's common stock on February 27, 2026, which was the lower of the closing price on the (i) start date or (ii) the end date of the applicable purchase period. Because the start date commenced on a non-trading date, the closing price on the immediately preceding trading date was used. These shares were acquired under the ESPP in transactions exempted by Rule 16b-3(c) and Rule 16b-3(d).

Shares purchased pursuant to the Burke & Herbert Financial Services Corp. 2023 Employee Stock Purchase Plan ("ESPP"), for the ESPP purchase period of March 1, 2026, through August 31, 2026. In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the issuer's common stock on February 27, 2026, which was the lower of the closing price on the (i) start date or (ii) the end date of the applicable purchase period. Because the start date commenced on a non-trading date, the closing price on the immediately preceding trading date was used. These shares were acquired under the ESPP in transactions exempted by Rule 16b-3(c) and Rule 16b-3(d).

Shares purchased pursuant to the Burke & Herbert Financial Services Corp. 2023 Employee Stock Purchase Plan ("ESPP"), for the ESPP purchase period of March 1, 2026, through August 31, 2026. In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the issuer's common stock on February 27, 2026, which was the lower of the closing price on the (i) start date or (ii) the end date of the applicable purchase period. Because the start date commenced on a non-trading date, the closing price on the immediately preceding trading date was used. These shares were acquired under the ESPP in transactions exempted by Rule 16b-3(c) and Rule 16b-3(d).

Shares purchased pursuant to the Burke & Herbert Financial Services Corp. 2023 Employee Stock Purchase Plan ("ESPP"), for the ESPP purchase period of March 1, 2026, through August 31, 2026. In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the issuer's common stock on February 27, 2026, which was the lower of the closing price on the (i) start date or (ii) the end date of the applicable purchase period. Because the start date commenced on a non-trading date, the closing price on the immediately preceding trading date was used. These shares were acquired under the ESPP in transactions exempted by Rule 16b-3(c) and Rule 16b-3(d).

Shares purchased pursuant to the Burke & Herbert Financial Services Corp. 2023 Employee Stock Purchase Plan ("ESPP"), for the ESPP purchase period of March 1, 2026, through August 31, 2026. In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the issuer's common stock on February 27, 2026, which was the lower of the closing price on the (i) start date or (ii) the end date of the applicable purchase period. Because the start date commenced on a non-trading date, the closing price on the immediately preceding trading date was used. These shares were acquired under the ESPP in transactions exempted by Rule 16b-3(c) and Rule 16b-3(d).

On August 4, 2026, the Reporting Person transferred 91,361 shares of BHRB common stock from the Barnwell Charitable Lead Trust to the J F Barnwell, Jr. Revocable Trust for no consideration.

On August 4, 2026, the Reporting Person transferred 91,361 shares of BHRB common stock from the Barnwell Charitable Lead Trust to the J F Barnwell, Jr. Revocable Trust for no consideration.

The sale of 3,150 shares reported on the original Form 4 filed on August 5, 2026 did not settle and was cancelled in its entirety. Accordingly, no disposition of shares occurred pursuant to the reported transaction. This Form 4/A amends the original Form 4 solely to correct the reported disposition and the reporting person's post-transaction beneficial ownership.

Represents a bona fide gift of 100 shares of Common Stock to a non-family member on July 31, 2026. The reporting person disclaims beneficial ownership of the gifted shares.

This Form 4/A is being filed to amend the Form 4 filed on July 30, 2026 to correct the number of shares of Common Stock issued upon settlement of stock-settled SARs exercised on July 29, 2026. The original filing used an estimated tax withholding amount to calculate the number of shares deliverable upon settlement; following final calculation of taxes on the exercise date, the number of shares withheld was adjusted from 2,002 shares to 2,003 shares. This amendment restates the affected line item in Table I accordingly.

Represents a bona fide gift made by the Reporting Person to a charitable donor-advised fund

This Form 4/A is being filed to amend the Form 4 filed on June 30, 2026 to correct the number of shares of Common Stock issued upon settlement of stock-settled SARs exercised on June 29, 2026. The original filing used an estimated fair market value to calculate the number of shares deliverable upon settlement; following final calculation of the fair market value on the exercise date, the number of shares issued was adjusted from 4,370 shares to 4,203 shares. This amendment restates the affected line item in Table I accordingly.

This Form 4/A is being filed to amend the Form 4 filed on June 29, 2026 to correct the number of shares of Common Stock issued upon settlement of stock-settled SARs exercised on June 25, 2026. The original filing used an estimated fair market value to calculate the number of shares deliverable upon settlement; following final calculation of the fair market value on the exercise date, the number of shares issued was adjusted from 3,554 shares to 3,389 shares. This amendment restates the affected line item in Table I accordingly.

Restricted stock units awarded for service as a director. The units vest on the first anniversary of the grant date, subject to continued service and satisfaction of attendance requirements.

Restricted stock units awarded for service as a director. The units vest on the first anniversary of the grant date, subject to continued service and satisfaction of attendance requirements.

Restricted stock units awarded for service as a director. The units vest on the first anniversary of the grant date, subject to continued service and satisfaction of attendance requirements.

Restricted stock units awarded for service as a director. The units vest on the first anniversary of the grant date, subject to continued service and satisfaction of attendance requirements.

Restricted stock units awarded for service as a director. The units vest on the first anniversary of the grant date, subject to continued service and satisfaction of attendance requirements.

Restricted stock units awarded for service as a director. The units vest on the first anniversary of the grant date, subject to continued service and satisfaction of attendance requirements.

Restricted stock units awarded for service as a director. The units vest on the first anniversary of the grant date, subject to continued service and satisfaction of attendance requirements.

Restricted stock units awarded for service as a director. The units vest on the first anniversary of the grant date, subject to continued service and satisfaction of attendance requirements.

Restricted stock units awarded for service as a director. The units vest on the first anniversary of the grant date, subject to continued service and satisfaction of attendance requirements.