X0202 SCHEDULE 13D/A 0001750383 XXXXXXXX LIVE 6 Common Stock 03/17/2026 false 0001013488 09180C106 BJs RESTAURANTS INC

7755 CENTER AVENUE SUITE 300 HUNTINGTON BEACH CA 92647

Ronald M. Shaich 6452010601 777 Brickell Avenue, #500-96800 Miami FL 33131 Mark Katzoff 3124605000 233 South Wacker Drive Suite 8000 Chicago IL 60606-6448 Tess Rabin 3124605000 233 South Wacker Drive Suite 8000 Chicago IL 60606-6448 Seyfarth Shaw LLP 3124605000 233 South Wacker Drive Suite 8000 Chicago IL 60606-6448 Y BJ's Act III, LLC OO N DE 0.00 1708163.00 0.00 1708163.00 1708163.00 N 7.7 OO Boxes 8, 10 and 11 Consists of (a) 831,214 shares of Common Stock of the Issuer held by the Reporting Person, and (b) warrants to purchase 876,949 shares of Common Stock of the Issuer held by the Reporting Person. Box 13 Based on a total of 22,074,136 shares of Common Stock, which is calculated based upon the sum of (a) 21,197,187 shares of Common Stock issued and outstanding as of February 25, 2026 as disclosed by the Issuer in its Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 2, 2026 (the "10-K") and (b) 876,949 shares of Common Stock issuable upon the exercise of the warrants. 0001750383 N Act III Holdings LLC OO N DE 0.00 1708163.00 0.00 1708163.00 1708163.00 N 7.7 OO Boxes 8, 10 and 11 Consists of (a) 831,214 shares of Common Stock of the Issuer held by BJ's Act III, LLC, and (b) warrants to purchase 876,949 shares of Common Stock of the Issuer held by BJ's Act III, LLC. Box 13 Based on a total of 22,074,136 shares of Common Stock, which is calculated based upon the sum of (a) 21,197,187 shares of Common Stock issued and outstanding as of February 25, 2026 as disclosed by the Issuer in its Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 2, 2026 (the "10-K") and (b) 876,949 shares of Common Stock issuable upon the exercise of the warrants. Y Ronald M. Shaich OO N X1 0.00 1858443.00 0.00 1858443.00 1858443.00 N 8.4 IN Boxes 8, 10 and 11 Consists of (a) 831,214 shares of Common Stock of the Issuer held by BJ's Act III, LLC, (b) warrants to purchase 876,949 shares of Common Stock of the Issuer held by BJ's Act III, LLC, and (c) 150,280 shares of Common Stock of the Issuer held by a trust for which the Reporting Person has sole voting and dispositive power. Box 13 Based on a total of 22,074,136 shares of Common Stock, which is calculated based upon the sum of (a) 21,197,187 shares of Common Stock issued and outstanding as of February 25, 2026 as disclosed by the Issuer in its Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 2, 2026 (the "10-K") and (b) 876,949 shares of Common Stock issuable upon the exercise of the warrants. Common Stock BJs RESTAURANTS INC 7755 CENTER AVENUE SUITE 300 HUNTINGTON BEACH CA 92647 On March 12, 2026, the Reporting Persons purchased 77,268 shares of the Issuer's Common Stock for investment purposes. On March 13, 2026, the Reporting Persons purchased 73,000 shares of the Issuer's Common Stock for investment purposes. On March 16, 2026, the Reporting Persons purchased 60,000 shares of the Issuer's Common Stock for investment purposes. On March 17, 2026, the Reporting Persons purchased 40,167 shares of the Issuer's Common Stock for investment purposes. On March 18, 2026, the Reporting Persons purchased 75,000 shares of the Issuer's Common Stock for investment purposes. On March 19, 2026, the Reporting Persons purchased 62,889 shares of the Issuer's Common Stock for investment purposes. On March 12, 2026, the Reporting Persons purchased 77,268 shares of Common Stock in open market transactions at a weighted average price of $34.3160 per share. These purchases were effected at prices ranging from $34.99 to $33.79 per share, inclusive. On March 13, 2026, the Reporting Persons purchased 73,000 shares of Common Stock in open market transactions at a weighted average price of $33.9263 per share. These purchases were effected at prices ranging from $34.2500 to $33.5950 per share, inclusive. On March 16, 2026, the Reporting Persons purchased 60,000 shares of Common Stock in open market transactions at a weighted average price of $34.0593 per share. These purchases were effected at prices ranging from $34.25 to $33.79 per share, inclusive. On March 17, 2026, the Reporting Persons purchased 40,167 shares of Common Stock in open market transactions at a weighted average price of $34.9524 per share. These purchases were effected at prices ranging from $35.00 to $34.42 per share, inclusive. On March 18, 2026, the Reporting Persons purchased 75,000 shares of Common Stock in open market transactions at a weighted average price of $34.7125 per share. These purchases were effected at prices ranging from $35.00 to $34.36 per share, inclusive. On March 19, 2026, the Reporting Persons purchased 62,889 shares of Common Stock in open market transactions at a weighted average price of $34.8274 per share. These purchases were effected at prices ranging from $35.00 to $34.3250 per share, inclusive. The Reporting Persons undertake to provide to the staff of the U.S. Securities and Exchange Commission, the Issuer, or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above. As disclosed in the Schedule 13D, on November 14, 2025, the Issuer, Act III Holdings, LLC, a Delaware limited liability company ("Act III Holdings"), Act III Management, LLC, a Delaware limited liability company controlled and indirectly owned by Ronald Shaich ("Act III Management"), BJ's Act III, LLC, and SC 2018 Trust LLC, a Delaware limited liability company owned by an irrevocable trust established by Ronald Shaich (the "2018 Trust" and with Act III Holdings, LLC, Act III Management, LLC, BJ's Act III, LLC, collectively are referred to herein as the "Act III Parties" and individually as an "Act III Party") entered into that certain Amendment to Cooperation Agreement (the "Cooperation Agreement Amendment"), pursuant to which the (a) the expiration date of the agreement was extended to June 30, 2027 and (b) the standstill provisions were revised so that the Act III Parties and its Affiliates are restricted from acquiring or seeking to acquire additional shares of the Company's voting securities (other than the exercise of the Warrant or with the prior consent of the Issuer), or engaging in any other transactions, which would result in the Act III Parties and its Affiliates beneficially owning greater than 2,091,011 shares of Common Stock of the Issuer. The foregoing description of the Cooperation Agreement Amendment does not purport to be complete and is qualified in its entirety by reference to the agreement itself. BJ's Act III, LLC /s/ Ronald M. Shaich 03/19/2026 Act III Holdings LLC /s/ Ronald M. Shaich 03/19/2026 Ronald M. Shaich /s/ Ronald M. Shaich 03/19/2026