CRA International director granted 989 shares

Detrick Christine Rose reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Detrick Christine Rose reported acquisition or exercise transactions in this Form 4 filing.

CRA International, Inc. director Christine Rose Detrick received a grant of 989 shares of Common Stock on July 16, 2026 as a compensation award. The shares vest in four equal annual installments beginning on the first anniversary of the grant date, bringing her direct holdings to 7,128 shares.

Insider Trade Summary

Grant/Award: 989 shares

Grant/Award 1 txn

Insider Detrick Christine Rose

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	989	$0.00	$0.00

Holdings After Transaction: Common Stock — 7,128 shares (Direct)

Footnotes (1)

1. F1. The shares vest in four equal annual installments beginning on the first anniversary of the date of grant.

Key Figures

Shares granted: 989 shares of Common Stock Total direct holdings after grant: 7,128 shares of Common Stock Vesting tranches: 4 equal annual installments +2 more

5 metrics

Shares granted 989 shares of Common Stock Equity award to director Christine Rose Detrick on July 16, 2026

Total direct holdings after grant 7,128 shares of Common Stock Director’s direct ownership following the reported transaction

Vesting tranches 4 equal annual installments Stock grant vesting schedule beginning on first anniversary of grant date

Transaction price per share $0.0000 Compensation-related stock grant, not an open-market purchase

Number of acquisition transactions 1 grant transaction Non-derivative grant, award, or other acquisition reported

Key Terms

Grant, award, or other acquisition, Common Stock, vest

3 terms

Grant, award, or other acquisition regulatory

"Transaction code A described as Grant, award, or other acquisition"

Common Stock financial

"Security title for the reported equity award is 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.

vest financial

"The shares vest in four equal annual installments"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

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

What insider transaction did CRAI director Christine Rose Detrick report?

Director Christine Rose Detrick reported an equity compensation grant of 989 CRAI common shares. The award was reported as a grant or other acquisition transaction and increased her direct ownership to 7,128 shares of CRA International common stock.

How many CRAI shares were granted to Christine Rose Detrick and at what price?

Christine Rose Detrick was granted 989 shares of CRAI Common Stock at a stated price of $0.0000 per share. This reflects a compensation-related award rather than an open-market purchase, with no cash consideration reported for the grant.

What is the vesting schedule for the CRAI stock grant to Christine Rose Detrick?

The 989 CRAI shares granted to Christine Rose Detrick vest in four equal annual installments. Vesting begins on the first anniversary of the grant date, resulting in equal portions becoming unrestricted each year over a four-year period.

What are Christine Rose Detrick’s total CRAI holdings after this equity award?

Following the reported grant, Christine Rose Detrick holds 7,128 shares of CRA International Common Stock directly. This total includes the newly granted 989 shares, which will vest over four years according to the award’s installment vesting schedule.

Was the reported CRAI insider transaction under a Rule 10b5-1 trading plan?

The report indicates the Rule 10b5-1 plan checkbox was not marked as applicable. This means the 989-share equity grant to director Christine Rose Detrick was not affirmed as being executed under a pre-arranged Rule 10b5-1 trading plan.

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

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Accepted by SEC EDGAR 07/20/2026 - 05:07 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).

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^*

Detrick Christine Rose

(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	07/16/2026		A		989(1)	A	$0	7,128	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. The shares vest in four equal annual installments beginning on the first anniversary of the date of grant.

	Delia J. Makhlouta, by power of attorney	07/20/2026
	** 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)