CRA International CFO granted restricted stock units

Nierenberg Eric reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Nierenberg Eric reported acquisition or exercise transactions in this Form 4 filing.

CRA International EVP, CFO and Treasurer Eric Nierenberg received a grant of 2.655 restricted stock units (RSUs) tied to the company’s common stock. This is a compensation-related award, not an open-market share purchase or sale.

Each RSU represents a contingent right to receive one share of common stock, which may be settled in cash, shares, or a combination. According to the disclosure, the RSUs, including accumulated dividend-equivalent units, vest in four equal annual installments beginning on August 4, 2026. After this grant, Nierenberg directly holds a total of 740.5654 RSUs.

Insider Trade Summary

Grant/Award: 2.655 shares

Grant/Award 1 txn

Insider Nierenberg Eric

Role EVP, CFO AND TREASURER

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	2.655	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 740.5654 contracts (Direct)

Footnotes (2)

1. F1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock; vested RSUs are payable in the form of cash, shares of the Issuer's common stock or a combination thereof, except as otherwise indicated below. To the extent vested RSUs are paid in shares of the Issuer's common stock, such shares will be delivered to the reporting person as soon as possible after vesting, but in no event later than two and one-half months after the end of the year in which vesting occurs, subject to the collection of withholding taxes. Dividend equivalent rights accrue with respect to unvested RSUs in the form of additional RSUs ("Dividend Units") when and as dividends are paid on the Issuer's common stock, and Dividend Units vest on the same dates and in the same relative proportions as the RSUs on which they accrue.
2. F2. The RSUs, which include an aggregate of 6.5654 Dividend Units, vest in four equal annual installments beginning on August 4, 2026.

FAQ

What did CRA International (CRAI) executive Eric Nierenberg report on this Form 4?

Eric Nierenberg reported receiving 2.655 restricted stock units (RSUs) as a compensation award. These RSUs are derivative securities tied to CRA International common stock and increase his directly held RSU balance to 740.5654 units after the transaction.

Is Eric Nierenberg buying or selling CRAI shares in this Form 4 filing?

The filing shows an acquisition through a grant of RSUs, not an open-market buy or sale. Code “A” indicates a grant or award, so this is part of equity compensation rather than a discretionary stock trade in CRA International shares.

How do the reported CRAI restricted stock units for Eric Nierenberg vest?

The RSUs, which include an aggregate of 6.5654 dividend-equivalent units, vest in four equal annual installments. Vesting begins on August 4, 2026, meaning portions of the award become payable each year over a four-year period.

What does each CRAI restricted stock unit represent for Eric Nierenberg?

Each RSU represents a contingent right to receive one share of CRA International common stock. Upon vesting, the company may settle the award in cash, shares, or a mix of both, subject to applicable withholding tax requirements described in the disclosure.

How many CRAI restricted stock units does Eric Nierenberg hold after this grant?

After the reported RSU grant, Eric Nierenberg directly holds a total of 740.5654 restricted stock units. This figure reflects his derivative position in CRA International, representing potential future share or cash payouts as the units vest over time.

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Accepted by SEC EDGAR 03/24/2026 - 06:07 PM 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
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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^*

Nierenberg Eric

(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, CFO AND TREASURER

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/20/2026

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

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
Restricted Stock Units	(1)	03/20/2026		A		2.655		(2)	(2)	Common Stock	2.655	$0	740.5654	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock; vested RSUs are payable in the form of cash, shares of the Issuer's common stock or a combination thereof, except as otherwise indicated below. To the extent vested RSUs are paid in shares of the Issuer's common stock, such shares will be delivered to the reporting person as soon as possible after vesting, but in no event later than two and one-half months after the end of the year in which vesting occurs, subject to the collection of withholding taxes. Dividend equivalent rights accrue with respect to unvested RSUs in the form of additional RSUs ("Dividend Units") when and as dividends are paid on the Issuer's common stock, and Dividend Units vest on the same dates and in the same relative proportions as the RSUs on which they accrue.

2. The RSUs, which include an aggregate of 6.5654 Dividend Units, vest in four equal annual installments beginning on August 4, 2026.

	Delia J. Makhlouta, by power of attorney	03/24/2026
	** 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)