SEC Form 4 · accession 0002117905-26-000027

Aura Minerals Inc. · AUGO

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Mauad Bruno Sousa

Director

Period of report

Aug 18, 2026

Accepted (ET)

Sep 2, 2026 · 8:01 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0001468642

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Shares	Aug 31, 2026	P	10	$79.89	A	290,866	I	By Kapitalo Investimentos
Common Shares	Aug 31, 2026	S	127,500	$81.20	D	163,366	I	By Kapitalo Investimentos
Common Shares^F6	Aug 31, 2026	C	3,225	$80.4232	A	166,591	I	By Kapitalo Investimentos
Common Shares^F7	Aug 31, 2026	C	3,900	$81.5538	A	170,491	I	By Kapitalo Investimentos
Common Shares^F8	Aug 31, 2026	C	100	$82.05	A	170,591	I	By Kapitalo Investimentos

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Brazilian Depositary Receipts^F1	—	Aug 31, 2026	S	1	D	—	—	Common shares, no par value	0	13,619,368	I
Cash-Settled Total Return Swap^F2,F1	—	Aug 18, 2026	S	125	D	—	—	Common shares, no par value	42	70,153	I
Cash-Settled Total Return Swap^F2,F1	—	Aug 18, 2026	S	65	D	—	—	Common shares, no par value	22	405,273	I
Cash-Settled Total Return Swap^F3,F1	—	Aug 31, 2026	S	70,153	D	—	—	Common shares, no par value	23,384	0	I
Cash-Settled Total Return Swap^F4,F1	—	Aug 31, 2026	P	70,153	A	—	—	Common shares, no par value	23,384	70,153	I
Cash-Settled Total Return Swap^F3,F1	—	Aug 31, 2026	S	377,987	D	—	—	Common shares, no par value	125,996	27,286	I
Cash-Settled Total Return Swap^F3,F1	—	Aug 31, 2026	S	27,286	D	—	—	Common shares, no par value	9,095	0	I
Cash-Settled Total Return Swap^F5,F1	—	Aug 31, 2026	P	405,273	A	—	—	Common shares, no par value	135,091	405,273	I
Brazilian Depositary Receipts^F9,F1	—	Aug 31, 2026	C	21,675	D	—	—	Common shares, no par value	7,225	13,597,693	I
Call option (obligation to sell)	$95.00	Aug 28, 2026	S	1,500	D	Oct 16, 2026	Oct 16, 2026	Common shares, no par value	150,000	1,500	I
Put option (right to sell)	$85.00	Aug 28, 2026	P	1,500	A	Oct 16, 2026	Oct 16, 2026	Common shares, no par value	150,000	1,500	I
Call option (right to buy)^F11	$95.00	Aug 31, 2026	P	1,500	A	Oct 16, 2026	Oct 16, 2026	Common shares, no par value	150,000	0	I
Put option (obligation to buy)^F10	$85.00	Aug 31, 2026	S	1,500	D	Oct 16, 2026	Oct 16, 2026	Common shares, no par value	150,000	0	I

Explanation of responses

F1BDRs are certificates representing Common Shares of the Issuer. Three BDRs represent one Common Share of the Issuer.
F10The put option was voluntarily terminated unexercised on August 31, 2026.
F11The call option was voluntarily terminated unexercised on August 31, 2026.
F2Kapitalo 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.
F3Kapitalo 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.
F4Kapitalo 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.
F5Kapitalo 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.
F6The 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.
F7The 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.
F8The 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.
F9The 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.

Remarks

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.