Yellin Jonathan D 4

4 · CRA INTERNATIONAL, INC. · Filed Mar 4, 2026

Insider Transaction Report

Form 4

Period: 2026-03-02

CRA INTERNATIONAL, INC.CRAI

Yellin Jonathan D

EVP AND GENERAL COUNSEL

Transactions

Award
Common Stock
[F1]
2026-03-02+1,067→ 16,640 total
Tax Payment
Common Stock
2026-03-02$180.26/sh−344$62,009→ 16,296 total
Award
Common Stock
[F1]
2026-03-02+19.742→ 16,315.742 total
Disposition to Issuer
Common Stock
2026-03-02$180.26/sh−19.742$3,559→ 16,296 total
Award
Restricted Stock Units
[F2][F3][F4]
2026-03-02+1,085.741→ 1,085.741 total
→ Common Stock (1,085.741 underlying)

Holdings

Restricted Stock Units
[F2][F5]
→ Common Stock (398.984 underlying)
398.984
Restricted Stock Units
[F2][F6]
→ Common Stock (573.871 underlying)
573.871
Restricted Stock Units
[F2][F7]
→ Common Stock (631.178 underlying)
631.178
Restricted Stock Units
[F2][F8]
→ Common Stock (1,108.433 underlying)
1,108.433
Restricted Stock Units
[F2][F9]
→ Common Stock (875.921 underlying)
875.921
Restricted Stock Units
[F2][F10]
→ Common Stock (896.16 underlying)
896.16
Nonqualified Stock Option (right to buy)
[F11]
Exercise: $44.87From: 2017-12-18Exp: 2027-12-18→ Common Stock (2,377 underlying)
2,377
Nonqualified Stock Option (right to buy)
[F11]
Exercise: $47.45From: 2018-12-06Exp: 2028-12-06→ Common Stock (2,845 underlying)
2,845

Footnotes (11)

[F1]Shares issued in settlement of the vesting of performance restricted stock units ("PRSUs") granted on April 29, 2024.
[F10]The RSUs, which include an aggregate of 7.1597 Dividend Units, vest in four equal annual installments beginning on May 20, 2026.
[F11]Date indicated is date of grant. Option vests in four equal annual installments beginning on the first anniversary of the date of grant.
[F2]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.
[F3]Unvested RSUs resulting from the determination of the outcome of performance conditions of PRSUs granted on April 29, 2024.
[F4]The RSUs, which include an aggregate of 19.7412 Dividend Units, vest in two equal annual installments beginning on April 29, 2027.
[F5]The RSUs, which include an aggregate of 17.9839 Dividend Units, vest on March 10, 2026.
[F6]The RSUs, which include an aggregate of 25.8705 Dividend Units, vest on March 10, 2026.
[F7]The RSUs, which include an aggregate of 20.1779 Dividend Units, vest in two equal annual installments beginning on April 11, 2026.
[F8]The RSUs, which include an aggregate of 35.4327 Dividend Units, vest in two equal annual installments beginning on April 11, 2026.
[F9]The RSUs, which include an aggregate of 15.9206 Dividend Units, vest in three equal annual installments beginning on April 29, 2026.

Signature

Delia J. Makhlouta, by power of attorney|2026-03-04

Documents

1 file

4
form4-03042026_100357.xmlPrimary