SEC Form 4 · accession 0000950103-26-009412

Aura Minerals Inc. · AUGO

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

Reporting owner

Mauad Bruno Sousa

Director

Period of report

Jun 18, 2026

Accepted (ET)

Jun 23, 2026 · 9:50 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0001468642

Table I — non-derivative securities

No Table I lines on this filing.

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,F2	—	Jun 18, 2026	J	29,700	D	—	—	Common Shares, no par value	9,900	15,280,340	I
Securities Lending Agreement^F3,F2	—	Jun 18, 2026	J	29,700	A	—	—	Common Shares, no par value	9,900	419,506	I
Brazilian Depositary Receipts^F1,F2	—	Jun 19, 2026	J	10,120	D	—	—	Common Shares, no par value	3,373	15,270,220	I
Securities Lending Agreement^F3,F2	—	Jun 19, 2026	J	10,120	A	—	—	Common Shares, no par value	3,373	429,626	I
Brazilian Depositary Receipts^F4,F2,F1	—	Jun 19, 2026	P	200	A	—	—	Common Shares, no par value	67	15,270,420	I
Cash-Settled Total Return Swap^F6,F2,F5	—	Jun 19, 2026	S	9,623	D	—	—	Common Shares, no par value	3,208	378,052	I
Cash-Settled Total Return Swap^F8,F2,F7,F5	—	Jun 19, 2026	S	57,988	D	—	—	Common Shares, no par value	19,329	70,278	I

Explanation of responses

F1Brazilian Depositary Receipts ("BDR") are certificates representing Common Shares, no par value ("Common Shares") of the Issuer. Three BDRs represent one Common Share of the Issuer.
F2The securities are owned directly by entities managed by Kapitalo Investimentos Ltda. ("Kapitalo") and may be deemed to be indirectly beneficially owned by Bruno Sousa Mauad, a partner of Kapitalo.
F3Certain clients managed by Kapitalo entered into securities lending agreements whereby title to the securities of the Issuer transferred to a counterparty for the duration of the arrangement. Notwithstanding the foregoing transactions, such clients may be deemed to continue to have beneficial ownership over the securities reported herein as the arrangements may be discontinued at any time by the clients.
F4The purchase was executed in a sole transaction and the price has been converted to U.S. dollars ("USD") using the Brazilian Central Bank's conversion rate as of June 19, 2026.
F5As previously disclosed, Kapitalo 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 certain Brazilian Depository Receipts, from an initial price per Brazilian Depository Receipt of BRL107.334. The final valuation date (subject to early termination by the parties) is May 25, 2027.
F6Kapitalo settled their position in a certain cash-settled total return swap agreement pursuant to its terms at a settlement price of $20.86 using the Banco Central do Brasil's conversion rate as of June 19, 2026.
F7As previously disclosed, Kapitalo 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 certain Brazilian Depository Receipts, from an initial price per Brazilian Depository Receipt of BRL106.404374. The final valuation date (subject to early termination by the parties) is July 31, 2026.
F8Kapitalo settled their position in a certain cash-settled total return swap agreement pursuant to its terms at a settlement price of $20.68 using the Banco Central do Brasil's conversion rate as of June 19, 2026.