CRA International director updates final share holdings

CRA International, Inc. reported a Form 4 for director William F. Concannon showing a holding entry only, with 15,595 shares of Common Stock held directly following the reported position.

Rhea-AI Filing Summary

CRA International, Inc. reported a Form 4 for director William F. Concannon showing a holding entry only, with 15,595 shares of Common Stock held directly following the reported position. Concannon retired from the board effective July 16, 2026 and is no longer subject to Section 16 reporting requirements.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider CONCANNON WILLIAM F

Role Director

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 15,595 shares (Direct)

Key Figures

Shares held after reported position: 15,595 shares of Common Stock Board retirement effective date: July 16, 2026 Section 16 status: No longer subject after July 16, 2026

3 metrics

Shares held after reported position 15,595 shares of Common Stock Direct ownership following the Form 4 holding entry as of July 16, 2026

Board retirement effective date July 16, 2026 Effective date of William F. Concannon’s retirement from the CRA International board

Section 16 status No longer subject after July 16, 2026 Retirement ends Concannon’s Section 16 reporting obligations

Key Terms

Section 16, reporting person, Common Stock, direct or indirect

4 terms

Section 16 regulatory

"no longer subject to the filing requirements under Section 16 of the Securities Exchange Act"

Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

reporting person regulatory

"The reporting person retired from the Issuer's board of directors effective July 16, 2026"

Common Stock financial

"security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

direct or indirect financial

"direct_or_indirect": "D""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did CRAI director William F. Concannon report in this Form 4 filing?

William F. Concannon reported a holding entry only, with no buy or sell transactions. The filing shows he directly holds 15,595 shares of CRA International, Inc. Common Stock following the reported position as of July 16, 2026.

How many CRAI shares does William F. Concannon hold after this reported position?

After the reported position, William F. Concannon holds 15,595 shares of CRAI Common Stock directly. The Form 4 does not list any concurrent purchases, sales, or option exercises; it simply updates his reported ownership level as of July 16, 2026.

Did William F. Concannon buy or sell CRAI stock in this Form 4?

No buy or sell activity is reported. The Form 4 shows a holding entry with an "unknown" transaction code and no shares acquired or disposed, only the resulting direct ownership of 15,595 shares after the reported position.

What governance change involving CRAI and William F. Concannon is disclosed?

The filing notes that William F. Concannon retired from CRA International, Inc.’s board of directors effective July 16, 2026. As a result of this retirement, he is no longer subject to Section 16 reporting requirements under the Securities Exchange Act of 1934.

Is the CRAI Form 4 for William F. Concannon linked to a Rule 10b5-1 plan?

No. The filing’s Rule 10b5-1 checkbox is not marked as an affirmative plan, and there are no reported transactions such as purchases or sales. The form functions primarily as a final ownership and retirement-related update.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/11/2026 - 05:18 PM EDT 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

X

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^*

CONCANNON WILLIAM F

(Last) (First) (Middle)

200 CLARENDON STREET

(Street)

BOSTON MASSACHUSETTS 02116

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CRA INTERNATIONAL, INC. [ CRAI ]

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)
07/16/2026

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								15,595	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:

Remarks:

The reporting person retired from the Issuer's board of directors effective July 16, 2026, and is therefore no longer subject to the filing requirements under Section 16 of the Securities Exchange Act of 1934, as amended.

	Delia J. Makhlouta, by power of attorney	08/11/2026
	** 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)