Aura Minerals (AUGO) fund to sell BDRs on Brazil's B3

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) has a notice from Kapitalo Master III Fundo de Investimento Multimercado to sell Brazilian depositary receipts representing its common shares under Rule 144. The selling holder plans to sell up to 61,433 Brazilian depositary receipts for cash, with sales to occur on B3, the Brazilian stock exchange.

The filing also lists recent sales by an affiliated fund, KAPITALO MASTER III FIM IE, which has sold Brazilian depositary receipts in several transactions over the past three months. Each Brazilian Depositary Receipt represents a fraction of Aura Minerals’ common shares, with three BDRs representing one common share.

Key Figures

Brazilian depositary receipts to be sold: 61,433 Brazilian depositary receipts Recent sale 1: 4,257 Brazilian depositary receipts for US$107,696.07 Recent sale 2: 27,286 Brazilian depositary receipts for US$521,354.58 +2 more

5 metrics

Brazilian depositary receipts to be sold 61,433 Brazilian depositary receipts Planned sale under Rule 144 for cash

Recent sale 1 4,257 Brazilian depositary receipts for US$107,696.07 Sale on 05/26/2026 by KAPITALO MASTER III FIM IE

Recent sale 2 27,286 Brazilian depositary receipts for US$521,354.58 Sale on 06/09/2026 by KAPITALO MASTER III FIM IE

Recent sale 3 25,703 Brazilian depositary receipts for US$719,258.00 Sale on 08/19/2026 by KAPITALO MASTER III FIM IE

BDR-to-share ratio 3 BDRs per 1 common share Three Brazilian Depositary Receipts represent one common share of Aura Minerals Inc.

Key Terms

Rule 144, Brazilian depositary receipts, Open Market Purchases, B3

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Brazilian depositary receipts financial

"Brazilian Depositary Receipts are certificates representing Common Shares of the Issuer."

Brazilian Depositary Receipts (BDRs) are certificates traded on Brazilian exchanges that represent ownership of shares in foreign companies, allowing local investors to buy and sell exposure to those overseas stocks without opening foreign brokerage accounts. They matter because they let investors diversify across global companies using local currency and trading hours, similar to buying a locally issued voucher for a foreign product, while still exposing portfolios to the performance and risks of the underlying foreign shares.

Open Market Purchases market

"Open Market Purchases | Shares were acquired in the open market trades"

Open market purchases are buys of a company’s shares (or other securities) made on public exchanges at prevailing market prices rather than through private deals. For investors this matters because when a company buys back its own stock it reduces the number of shares available, which can boost per-share earnings and often signals management’s confidence; it also affects supply, demand and short-term liquidity much like someone quietly buying up items from a crowded marketplace.

B3 market

"08/20/2026 | B3"

b3 is the main stock exchange and market operator in Brazil, running the marketplace where shares, bonds and derivatives are bought, sold and finalized. Think of it as the town square and the cashier combined: it provides the trading floor, sets basic rules, and makes sure trades are completed and records are kept. Investors care because its rules, technology and stability affect liquidity, transaction costs, market access and the reliability of settlements.

FAQ

What does the Form 144 filing disclose for Aura Minerals Inc. (AUGO)?

It discloses that Kapitalo Master III Fundo de Investimento Multimercado intends to sell up to 61,433 Brazilian depositary receipts of Aura Minerals Inc. under Rule 144, with sales for cash on the Brazilian stock exchange B3.

How many Aura Minerals (AUGO) Brazilian depositary receipts are planned to be sold?

The selling holder has noticed an intention to sell up to 61,433 Brazilian depositary receipts of Aura Minerals Inc. for cash, as indicated in the Rule 144 securities-to-be-sold section.

What recent sales of Aura Minerals (AUGO) Brazilian depositary receipts are reported?

KAPITALO MASTER III FIM IE reports sales of 4,257 BDRs on 05/26/2026 for US$107,696.07, 27,286 BDRs on 06/09/2026 for US$521,354.58, and 25,703 BDRs on 08/19/2026 for US$719,258.00.

What do Aura Minerals (AUGO) Brazilian depositary receipts represent?

The Brazilian Depositary Receipts are certificates representing common shares of Aura Minerals Inc. The filing states that three BDRs represent one common share of the issuer.

On which market will the Aura Minerals (AUGO) Brazilian depositary receipts be sold?

The filing identifies the market as B3, the Brazilian stock exchange, for trading the Brazilian depositary receipts of Aura Minerals Inc.

How were the Aura Minerals (AUGO) Brazilian depositary receipts being sold acquired?

The filing states that the Brazilian depositary receipts to be sold were acquired in open market trades, described as “Open Market Purchases” with the explanation that “Shares were acquired in the open market trades.”

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Available on EDGAR 08/20/2026 - 08:38 PM Accepted by SEC EDGAR 08/20/2026 - 08:38 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002126752
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Aura Minerals Inc.
SEC File Number	001-42744
Address of Issuer	3390 Mary St Suite 116 Coconut Grove FLORIDA 33133
Phone	1-305-239-9332
Name of Person for Whose Account the Securities are To Be Sold	Kapitalo Master III Fundo de Investimento Multimercado
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	May be deemed affiliate

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Brazilian depositary receipts	BofA Securities Inc 1209 Orange Street Corporation Trust Center Wilmington DE 19801	61433	1769283.22	83789223	08/20/2026	B3

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Brazilian depositary receipts	06/12/2025	Open Market Purchases	Shares were acquired in the open market trades			61433	06/16/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	05/26/2026	4257	107696.07
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	06/09/2026	27286	521354.58
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/19/2026	25703	719258.00

144: Remarks and Signature

Remarks	Brazilian Depositary Receipts are certificates representing Common Shares of the Issuer. Three BDRs represent one Common Share of the Issuer
Date of Notice	08/20/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Joao Carlos T Pinho
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)