[Form 4] Burke & Herbert Financial Services Corp. Insider Trading Activity

Rhea-AI Filing Summary

Bonnafe Katherine Diane reported acquisition or exercise transactions in this Form 4 filing.

Burke & Herbert Financial Services Corp. director Katherine Diane Bonnafe received an award of 1,000 shares of common stock on June 19, 2026. The award is structured as restricted stock units granted for her service as a director.

The units vest on the first anniversary of the grant date, conditioned on her continued service and meeting board attendance requirements. After this grant, she directly holds 9,200 shares of common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Bonnafe Katherine Diane

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,000	$0.00	--

Holdings After Transaction: Common Stock — 9,200 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSU grant size: 1,000 shares Price per share: $0.0000 per share Post-transaction holdings: 9,200 shares +1 more

4 metrics

RSU grant size 1,000 shares Restricted stock units granted on June 19, 2026

Price per share $0.0000 per share Equity award, no cash paid by director

Post-transaction holdings 9,200 shares Common stock directly held after the award

Transaction code A (grant, award, or other acquisition) Non-derivative common stock transaction classification

Key Terms

Restricted stock units, vest on the first anniversary, grant, award, or other acquisition

3 terms

Restricted stock units financial

"Restricted stock units awarded for service as a director."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vest on the first anniversary financial

"The units vest on the first anniversary of the grant date, subject to continued service"

grant, award, or other acquisition regulatory

"transaction code description indicates a grant, award, or other acquisition"

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/22/2026 - 11:24 AM Accepted by SEC EDGAR 06/22/2026 - 11:23 AM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Bonnafe Katherine Diane

(Last) (First) (Middle)

100 SOUTH FAIRFAX STREET

(Street)

ALEXANDRIA VIRGINIA 22314

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Burke & Herbert Financial Services Corp. [ BHRB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/19/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/19/2026		A		1,000(1)	A	$0	9,200	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

Remarks:

	/s/ Matthew Rucker, as Attorney-in-Fact for Katherine D. Bonnafe	06/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)