[Form 4] Barrett Business Services Insider Trading Activity

Rhea-AI Filing Summary

Barrett Business Services director Thomas B. Cusick reported the sale of 3,064 shares of common stock on 08/13/2025. The transaction was a sale executed in multiple trades at prices ranging from $47.51 to $47.84, with a reported weighted-average price of $47.6447. After the sale the reporting person beneficially owned 27,776 shares. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person and includes an offer to provide detailed trade-level information upon request.

Positive

• None.

Negative

• Director sale: Reporting person sold 3,064 shares, which may be viewed as a reduction in insider holdings
• Limited context: Form does not state if sale was pursuant to a trading plan, leaving motive unspecified

Insights

Securities Analyst

TL;DR: A director executed a routine disposition of shares; sale size appears modest and was disclosed per Section 16 filing rules.

The Form 4 documents a director sale of 3,064 shares on 08/13/2025 at a weighted-average price of $47.6447, leaving 27,776 shares beneficially owned. The filing follows standard Section 16 requirements and includes an explanation that trades occurred across a price range with an offered willingness to supply trade-level detail. There is no derivative activity reported and no indication of amendment or other flagging events.

Corporate Governance Expert

TL;DR: Disclosure is complete for the reported sale; signature by attorney-in-fact and price-range note are standard and transparent.

The submission shows compliance with disclosure norms: transaction date, aggregate shares sold, weighted-average price, and post-transaction holdings are provided. The explanatory note about multiple trades and price range increases transparency. No related-party, option exercise, or 10b5-1 plan checkbox is indicated on the form text provided.

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^*

Cusick Thomas B.

(Last) (First) (Middle)

8100 NE PARKWAY DRIVE, SUITE 200

(Street)

VANCOUVER WA 98662

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BARRETT BUSINESS SERVICES INC [ BBSI ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2025

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

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

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

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	08/13/2025		S		3,064	D	$47.6447(1)	27,776	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. This transaction was executed in multiple trades at prices ranging from $47.51 to $47.84. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

	/s/ Anthony Harris, as attorney-in-fact	08/15/2025
	** 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.

FAQ

What did BBSI director Thomas B. Cusick report on Form 4?

He reported a sale of 3,064 shares of Barrett Business Services common stock on 08/13/2025 at a weighted-average price of $47.6447.

How many BBSI shares did the reporting person own after the transaction?

The reporting person beneficially owned 27,776 shares following the reported sale.

What price range were the shares sold at according to the Form 4?

The trades occurred at prices ranging from $47.51 to $47.84, with a reported weighted-average of $47.6447.

Does the Form 4 indicate the sale was made under a 10b5-1 trading plan?

The provided form text does not indicate that the transaction was made pursuant to a 10b5-1 plan.

Who signed the Form 4 for the reporting person?

The form was signed by Anthony Harris, as attorney-in-fact, on 08/15/2025.