CRA International counsel sells 2,250 shares

CRA INTERNATIONAL, INC.

Rhea-AI Filing Summary

CRA INTERNATIONAL, INC. (CRAI) EVP and General Counsel Jonathan D. Yellin reported open-market sales of company common stock. On 2026-08-25, he sold 2,250 shares in three transactions at weighted average prices between roughly $171.88 and $174.71 per share. The filing states these sales were effected under a Rule 10b5-1 trading plan adopted on 2025-11-10.

Insider Trade Summary 10b5-1

Net Seller: 2,250 shares

Net Sell 3 txns

Insider Yellin Jonathan D

Role EVP AND GENERAL COUNSEL

Sold 2,250 shs ($390K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	543	$172.3039	$94K
Sale	Common Stock F3, F2	1,307	$173.3354	$227K
Sale	Common Stock F4, F2	400	$174.2592	$70K

Holdings After Transaction: Common Stock — 11,153 shares (Direct)

Footnotes (4)

1. F1. The price in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $171.88 to $172.85, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
2. F2. These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 10, 2025.
3. F3. The price in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $172.995 to $173.72, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
4. F4. The price in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $174.0925 to $174.71, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Key Figures

Shares sold (first transaction): 543 shares Price per share (first transaction): $172.3039 per share Shares sold (second transaction): 1,307 shares +5 more

8 metrics

Shares sold (first transaction) 543 shares Common Stock sale on 2026-08-25 at weighted average price

Price per share (first transaction) $172.3039 per share Weighted average sale price; trades ranged from $171.88 to $172.85

Shares sold (second transaction) 1,307 shares Common Stock sale on 2026-08-25 at weighted average price

Price per share (second transaction) $173.3354 per share Weighted average sale price; trades ranged from $172.995 to $173.72

Shares sold (third transaction) 400 shares Common Stock sale on 2026-08-25 at weighted average price

Price per share (third transaction) $174.2592 per share Weighted average sale price; trades ranged from $174.0925 to $174.71

Total shares sold 2,250 shares Aggregate of three Common Stock sales on 2026-08-25

Rule 10b5-1 plan adoption date November 10, 2025 Reported adoption date of the trading plan governing these sales

Key Terms

Rule 10b5-1 trading plan, weighted average price, Common Stock, open market or private transaction

4 terms

Rule 10b5-1 trading plan regulatory

"These transactions were effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average price financial

"The price in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

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.

open market or private transaction regulatory

"transaction_code_description: "Sale in open market or private transaction""

FAQ

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

What insider transactions did CRAI executive Jonathan D. Yellin report in this Form 4?

Jonathan D. Yellin reported three open-market sales of CRAI common stock on 2026-08-25, totaling 2,250 shares sold at weighted average prices in the low-to-mid $170s per share.

How many CRAI shares did Jonathan D. Yellin sell and at what prices?

He sold 543 shares at $172.3039, 1,307 shares at $173.3354, and 400 shares at $174.2592. Footnotes state each reported price is a weighted average for trades within price ranges from $171.88 up to $174.71 per share.

Were Jonathan D. Yellin’s CRAI stock sales made under a Rule 10b5-1 plan?

Yes. The filing states the transactions "were effected pursuant to a Rule 10b5-1 trading plan" adopted by Jonathan D. Yellin on November 10, 2025, indicating the sales were pre-arranged under that plan.

What is Jonathan D. Yellin’s role at CRA INTERNATIONAL, INC. (CRAI)?

Jonathan D. Yellin is reported as an officer of CRA INTERNATIONAL, INC., holding the title EVP AND GENERAL COUNSEL in the Form 4 insider filing.

Does the Form 4 state Jonathan D. Yellin’s CRAI share holdings after these sales?

No. For each of the three transactions, the field for total shares following the transaction is left blank, so the filing does not state his remaining CRAI common stock holdings.

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

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Available on EDGAR 08/27/2026 - 07:36 PM EDT Accepted by SEC EDGAR 08/27/2026 - 07:36 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

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

X

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^*

Yellin Jonathan D

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP AND GENERAL COUNSEL

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/25/2026

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	08/25/2026		S		543	D	$172.3039(1)	12,860	D(2)
Common Stock	08/25/2026		S		1,307	D	$173.3354(3)	11,553	D(2)
Common Stock	08/25/2026		S		400	D	$174.2592(4)	11,153	D(2)

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. The price in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $171.88 to $172.85, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

2. These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 10, 2025.

3. The price in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $172.995 to $173.72, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

4. The price in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $174.0925 to $174.71, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

	Delia J. Makhlouta, by power of attorney	08/27/2026
	** 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)