X0609 4 2026-08-18 0 0001468642 Aura Minerals Inc. AUGO 0002117905 Sousa Mauad Bruno false C/O AURA TECHNICAL SERVICES INC. 3390 MARY ST, SUITE 116 COCONUT GROVE FL 33133 1 0 0 0 0 Common Shares 2026-08-31 4 P 0 10 79.89 A 290866 I By Kapitalo Investimentos Common Shares 2026-08-31 4 S 0 127500 81.2 D 163366 I By Kapitalo Investimentos Common Shares 2026-08-31 4 C 0 3225 80.4232 A 166591 I By Kapitalo Investimentos Common Shares 2026-08-31 4 C 0 3900 81.5538 A 170491 I By Kapitalo Investimentos Common Shares 2026-08-31 4 C 0 100 82.05 A 170591 I By Kapitalo Investimentos Brazilian Depositary Receipts 2026-08-31 4 S 0 1 26.7369 D Common shares, no par value 0.33 13619368 I By Kapitalo Investimentos Cash-Settled Total Return Swap 2026-08-18 4 S 1 125 D Common shares, no par value 41.67 70153 I By Kapitalo Investimentos Cash-Settled Total Return Swap 2026-08-18 4 S 1 65 D Common shares, no par value 21.67 405273 I By Kapitalo Investimentos Cash-Settled Total Return Swap 2026-08-31 4 S 1 70153 D Common shares, no par value 23384.33 0 I By Kapitalo Investimentos Cash-Settled Total Return Swap 2026-08-31 4 P 1 70153 A Common shares, no par value 23384.33 70153 I By Kapitalo Investimentos Cash-Settled Total Return Swap 2026-08-31 4 S 1 377987 D Common shares, no par value 125995.67 27286 I By Kapitalo Investimentos Cash-Settled Total Return Swap 2026-08-31 4 S 1 27286 D Common shares, no par value 9095.33 0 I By Kapitalo Investimentos Cash-Settled Total Return Swap 2026-08-31 4 P 1 405273 A Common shares, no par value 135091 405273 I By Kapitalo Investimentos Brazilian Depositary Receipts 2026-08-31 4 C 0 21675 26.7386 D Common shares, no par value 7225 13597693 I By Kapitalo Investimentos Call option (obligation to sell) 95 2026-08-28 4 S 0 1500 7.65 D 2026-10-16 2026-10-16 Common shares, no par value 150000 1500 I By Kapitalo Investimentos Put option (right to sell) 85 2026-08-28 4 P 0 1500 7.55 A 2026-10-16 2026-10-16 Common shares, no par value 150000 1500 I By Kapitalo Investimentos Call option (right to buy) 95 2026-08-31 4 P 0 1500 4.53 A 2026-10-16 2026-10-16 Common shares, no par value 150000 0 I By Kapitalo Investimentos Put option (obligation to buy) 85 2026-08-31 4 S 0 1500 10.33 D 2026-10-16 2026-10-16 Common shares, no par value 150000 0 I By Kapitalo Investimentos BDRs are certificates representing Common Shares of the Issuer. Three BDRs represent one Common Share of the Issuer. Kapitalo settled their position in a certain cash-settled total return swap agreement pursuant to its terms at a settlement price of $17.74 using the Banco Central do Brasil's conversion rate as of August 18, 2026. Kapitalo settled their position in a certain cash-settled total return swap agreement pursuant to its terms at a settlement price of $17.82 using the Banco Central do Brasil's conversion rate as of August 31, 2026. Kapitalo Investimentos entered into a cash-settled total return swap pursuant to which it will pay any increase in, and receive any decrease in, the price of 70,153 Brazilian Depository Receipts, from an initial price per Brazilian Depository Receipt of BRL142.60. The final valuation date (subject to early termination by the parties) is September 30, 2026. Kapitalo Investimentos entered into a cash-settled total return swap pursuant to which it will pay any increase in, and receive any decrease in, the price of 405,273 Brazilian Depository Receipts, from an initial price per Brazilian Depository Receipt of BRL142.60. The final valuation date (subject to early termination by the parties) is September 30, 2026. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $79.89 to $80.67, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the ranges set forth in footnote (6) to this Form 4. The source of funds for the purchase was the sale of an equivalent number of BDRs, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table II below. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $81.10 to $82.00, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the ranges set forth in footnote (7) to this Form 4. The source of funds for the purchase was the sale of an equivalent number of BDRs, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table II below. The source of funds for the purchase was the sale of an equivalent number of BDRs, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table II below. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $26.50 to $27.16, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of BDRs sold at each separate price within the ranges set forth in footnote (9) to this Form 4. The weighted average price, R$138.55 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of August 31, 2026. The proceeds of the sale were used to purchase an equivalent number of common shares, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table I above. The put option was voluntarily terminated unexercised on August 31, 2026. The call option was voluntarily terminated unexercised on August 31, 2026. Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of its pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. Bruno Sousa Mauad 2026-09-02