CRA INTERNATIONAL, INC. 10-Q

ITEM 5. Other Information During the period ended September 30, 2023, no director or officer of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” (in each case, as defined in Item 408 of Regulation S-K). 26 Table of Contents ITEM 6. Exhibits Item No. Filed with this Form 10-Q Description 3.1 Amended and Restated Articles of Organization, as amended by the Articles of Amendment to our Articles of Organization filed on May 6, 2005 (incorporated by reference to Exhibit 3.1 to our annual report on Form 10-K filed on February 27, 2020). 3.2 Amended and Restated By-Laws, as amended (incorporated by reference to Exhibit 3.2 to our current report on Form 8-K filed on January 31, 2011). 10.1 Amended and Restated 2006 Equity Incentive Plan, as amended (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed on July 17, 2023) 31.1 X Certification of Principal Executive Officer, pursuant to Rule 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 . 31.2 X Certification of Principal Financial Officer, pursuant to Rule 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 . 32.1 X Certification of Principal Executive Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 . 32.2 X Certification of Principal Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 . 101 X The following financial statements from CRA International, Inc.’s Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2023, formatted in Inline XBRL (eXtensible Business Reporting Language), as follows: (i) Condensed Consolidated Statements of Operations (unaudited) for the fiscal quarters and fiscal year-to-date periods ended September 30, 2023 and October 1, 2022, (ii) Condensed Consolidated Statements of Comprehensive Income (unaudited) for the fiscal quarters and fiscal year-to-date periods ended September 30, 2023 and October 1, 2022, (iii) Condensed Consolidated Balance Sheets (unaudited) at September 30, 2023 and December 31, 2022, (iv) Condensed Consolidated Statements of Cash Flows (unaudited) for the fiscal year-to-date periods ended September 30, 2023 and October 1, 2022, (v) Condensed Consolidated Statement of Shareholders’ Equity (unaudited) for the fiscal year-to-date periods ended September 30, 2023 and October 1, 2022, and (vi) Notes to Condensed Consolidated Financial Statements (Unaudited). 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101). 27 Table of Contents SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. CRA INTERNATIONAL, INC. Date: November 2, 2023 By: /s/ PAUL A. MALEH Paul A. Maleh President and Chief Executive Officer Date: November 2, 2023 By: /s/ DANIEL K. MAHONEY Daniel K. Mahoney Chief Financial Officer, Executive Vice President and Treasurer 28