X0202 SCHEDULE 13G/A 0001535264 XXXXXXXX LIVE 1 Common Stock, No Par Value 06/30/2026 0001472326 Brazil Potash Corp. 10586A108 198 DAVENPORT ROAD TORONTO A6 M2R 1J2 Rule 13d-1(b) AWM Investment Company, Inc. DE 5876232.00 0.00 5876232.00 0.00 5876232.00 9.9 IA AWM Investment Company, Inc., a Delaware Corporation (AWM), is the investment adviser to Special Situations Cayman Fund, L.P. (CAYMAN)and Special Situations Fund III QP, L.P. (SSFQP). As the investment adviser to the Funds, AWM holds sole voting and investment power over 3,882,327 Common Shares and 1,559,427 Warrants held by SSFQP, 1,117,673 Common Shares and 440,573 Warrants held by CAYMAN. The Warrants described herein may only be exercised to the extent that the total number of Common Shares then beneficially owned does not exceed 9.99% of the outstanding shares. Beneficial ownership is based upon the sum of (i) the number of shares of the Issuer's outstanding common stock, as most recently reported by the Issuer in its filings with the Securities and Exchange Commission, and (ii) the number of shares of common stock issuable upon the exercise of the warrants that are deemed beneficially owned pursuant to Rule 13d-3 under the Securities Exchange Act of 1934, as amended, after giving effect to the Beneficial Ownership Blocker. Due to field limitations, the percentage reported may be rounded to the applicable Beneficial Ownership Blocker percentage Brazil Potash Corp. 198 DAVENPORT ROAD, TORONTO, ONTARIO, CANADA, M2R 1J2 The person filing this report is AWM Investment Company, Inc., a Delaware corporation (AWM), which is the investment adviser to Special Situations Cayman Fund, L.P., a Cayman Islands Limited Partnership (CAYMAN) and Special Situations Fund III QP, L.P., a Delaware limited partnership (SSFQP). The principal business of each Fund is to invest in equity and equity-related securities and other securities of any kind or nature. David M. Greenhouse (Greenhouse) and Adam C. Stettner (Stettner) are members of: SSCayman, L.L.C., a Delaware limited liability company (SSCAY), the general partner of CAYMAN and MGP Advisers Limited Partnership, a Delaware limited partnership (MGP), the general partner of SSFQP. Greenhouse and Stettner are also controlling principals of AWM. The principal business address for AWM is c/o Special Situations Funds, 527 Madison Avenue, Suite 2600, New York, NY 10022 AWM is a Delaware Corporation Y 5,876,232 9.9 AWM is the investment adviser to each of the Funds. As the investment adviser to the Funds, AWM holds sole voting power over 3,882,327 Common Shares and 1,559,427 Warrants held by SSFQP, 1,117,673 Common Shares and 440,573 Warrants held by CAYMAN. Greenhouse and Stettner are members of: SSCAY, the general partner of CAYMAN and MGP, the general partner of SSFQP. Greenhouse and Stettner are also controlling principals of AWM 0 AWM is the investment adviser to each of the Funds. As the investment adviser to the Funds, AWM holds sole investment power over 3,882,327 Common Shares and 1,559,427 Warrants held by SSFQP, 1,117,673 Common Shares and 440,573 Warrants held by CAYMAN. Greenhouse and Stettner are members of: SSCAY, the general partner of CAYMAN and MGP, the general partner of SSFQP. Greenhouse and Stettner are also controlling principals of AWM 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 acquired and are held in the ordinary course of business and 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. AWM Investment Company, Inc. Adam Stettner 08/14/2026