X0202 SCHEDULE 13G/A 0001930214 XXXXXXXX LIVE 1 Common Stock, no par value 03/31/2026 0001827401 Bright Minds Biosciences Inc. 10919W405 400 N Aberdeen St Suite 900 Chicago IL 60642 Rule 13d-1(c) Vivo Opportunity Fund Holdings, L.P. b DE 504645.00 0.00 504645.00 0.00 504645.00 N 5.2 PN The number represents shares of common stock, no par value (the "Common Stock") of Bright Minds Biosciences Inc. (the "Issuer") held of record by Vivo Opportunity Fund Holdings, L.P. Vivo Opportunity, LLC is the general partner of Vivo Opportunity Fund Holdings, L.P. The percentage of class is based on 9,787,161 shares of Common Stock outstanding as of February 12, 2026, as reported in the Issuer's Current Report on Form 6-K, filed with the Securities and Exchange Commission (the "SEC") on February 13, 2026. Vivo Opportunity, LLC b DE 504645.00 0.00 504645.00 0.00 504645.00 N 5.2 OO The number represents shares of Common Stock of the Issuer held of record by Vivo Opportunity Fund Holdings, L.P. Vivo Opportunity, LLC is the general partner of Vivo Opportunity Fund Holdings, L.P. The percentage of class is based on 9,787,161 shares of Common Stock outstanding as of February 12, 2026, as reported in the Issuer's Current Report on Form 6-K, filed with the SEC on February 13, 2026. Vivo Opportunity Cayman Fund, L.P. b E9 52527.00 0.00 52527.00 0.00 52527.00 N 0.5 PN The number represents shares of Common Stock of the Issuer held of record by Vivo Opportunity Cayman Fund, L.P. Vivo Opportunity Cayman, LLC is the general partner of Vivo Opportunity Cayman Fund, L.P. The percentage of class is based on 9,787,161 shares of Common Stock outstanding as of February 12, 2026, as reported in the Issuer's Current Report on Form 6-K, filed with the SEC on February 13, 2026. Vivo Opportunity Cayman, LLC b E9 52527.00 0.00 52527.00 0.00 52527.00 N 0.5 OO The number represents shares of Common Stock of the Issuer held of record by Vivo Opportunity Cayman Fund, L.P. Vivo Opportunity Cayman, LLC is the general partner of Vivo Opportunity Cayman Fund, L.P. The percentage of class is based on 9,787,161 shares of Common Stock outstanding as of February 12, 2026, as reported in the Issuer's Current Report on Form 6-K, filed with the SEC on February 13, 2026. Bright Minds Biosciences Inc. 400 N Aberdeen St Suite 900, Chicago, IL 60642 Vivo Opportunity Fund Holdings, L.P. and its General Partner Vivo Opportunity, LLC Vivo Opportunity Cayman Fund, L.P. and its General Partner Vivo Opportunity Cayman, LLC 192 Lytton Avenue, Palo Alto, CA 94301 Vivo Opportunity Fund Holdings, L.P. is a Delaware limited partnership. Vivo Opportunity, LLC is a Delaware limited liability company. Vivo Opportunity Cayman Fund, L.P. is a Cayman Islands limited partnership. Vivo Opportunity Cayman, LLC is a Cayman Islands limited liability company. Y Vivo Opportunity, LLC beneficially owns 504,645 shares of Common Stock. The securities are held of record by Vivo Opportunity Fund Holdings, L.P. Vivo Opportunity, LLC is the general partner of Vivo Opportunity Fund Holdings, L.P. Vivo Opportunity Cayman, LLC beneficially owns 52,527 shares of Common Stock. The securities are held of record by Vivo Opportunity Cayman Fund, L.P. Vivo Opportunity Cayman, LLC is the general partner of Vivo Opportunity Cayman Fund, L.P. Vivo Opportunity Fund Holdings, L.P.: 5.2% Vivo Opportunity, LLC: 5.2 % Vivo Opportunity Cayman Fund, L.P.: 0.5% Vivo Opportunity Cayman, LLC.: 0.5% Vivo Opportunity Fund Holdings, L.P.: 504,645 shares Vivo Opportunity, LLC: 504,645 shares Vivo Opportunity Cayman Fund, L.P.: 52,527 shares Vivo Opportunity Cayman, LLC: 52,527 shares 0 Vivo Opportunity Fund Holdings, L.P.: 504,645 shares Vivo Opportunity, LLC: 504,645 shares Vivo Opportunity Cayman Fund, L.P.: 52,527 shares Vivo Opportunity Cayman, LLC: 52,527 shares 0 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Vivo Opportunity Fund Holdings, L.P. /s/ Kevin Dai 05/12/2026 Vivo Opportunity, LLC /s/ Kevin Dai 05/12/2026 Vivo Opportunity Cayman Fund, L.P. /s/ Kevin Dai 05/12/2026 Vivo Opportunity Cayman, LLC /s/ Kevin Dai 05/12/2026