Aura Minerals holder to sell 2,970 Brazil receipts

A fund shareholder plans a Rule 144 sale of Aura Minerals Brazilian depositary receipts on B3, with prior BDR sales reported over the past three months.

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) has been notified that Kapitalo K10 Master Fundo de Investimento Multimercado intends to sell 2,970 Brazilian depositary receipts (BDRs) of Aura Minerals under Rule 144. These BDRs have an aggregate market value of 82,997.54 and relate to Aura’s shares listed on B3.

The BDRs are held through Morgan Stanley’s institutional equity division in São Paulo, and the approximate date of the planned sale is September 2, 2026. The filing states that three BDRs represent one common share of Aura Minerals. Reported BDR sales by the same fund over the prior three months total multiple transactions on Brazilian markets.

Key Figures

BDRs to be sold: 2,970 Brazilian depositary receipts Aggregate market value of BDRs to be sold: 82,997.54 BDRs outstanding: 83,789,223 Brazilian depositary receipts +4 more

7 metrics

BDRs to be sold 2,970 Brazilian depositary receipts Planned Rule 144 sale by Kapitalo K10 Master Fundo de Investimento Multimercado

Aggregate market value of BDRs to be sold 82,997.54 Total market value for the 2,970 BDRs covered by the notice

BDRs outstanding 83,789,223 Brazilian depositary receipts Total Aura Minerals BDRs outstanding as shown in the notice

BDR-to-share ratio 3 BDRs per 1 common share Each three BDRs represent one Aura Minerals common share

Past sale on August 20, 2026 12,237 BDRs for 351,422.42 One of several BDR sale transactions in the prior three months

Past sale on August 28, 2026 24,749 BDRs for 687,611.60 Largest single BDR sale listed in the prior three months

Approximate sale date September 2, 2026 Approximate date for the planned Rule 144 BDR sale on B3

Key Terms

Rule 144, Brazilian depositary receipts, aggregate market value, common share, +1 more

5 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"

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.

aggregate market value financial

"2970 | 82997.54 | 83789223 | 09/02/2026 | B3"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

common share financial

"Three BDRs represent one Common Share of the Issuer"

A common share is a type of ownership in a company that gives the holder a claim to a portion of the company’s profits and assets. It often comes with voting rights, allowing shareholders to participate in decisions about the company’s direction. For investors, owning common shares can mean potential for growth and income, but also involves a higher level of risk compared to other types of investments.

affiliate regulatory

"May be deemed affiliate"

FAQ

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

It reports that Kapitalo K10 Master Fundo de Investimento Multimercado plans to sell 2,970 Brazilian depositary receipts (BDRs) of Aura Minerals under Rule 144, indicating an intended secondary-market sale by an existing holder rather than a new issue of securities.

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

The notice covers an intended sale of 2,970 Brazilian depositary receipts (BDRs). The filing lists their aggregate market value as 82,997.54 as of the filing details, with the BDRs to be sold on B3, the Brazilian stock exchange.

What is the relationship between Aura Minerals BDRs and common shares?

The remarks state that Brazilian Depositary Receipts are certificates representing common shares of Aura Minerals and that three BDRs represent one common share of the issuer. This ratio links the BDR quantity to the underlying Aura Minerals common equity.

When is the planned Rule 144 sale of Aura Minerals (AUGO) BDRs expected?

The notice lists an approximate sale date of September 2, 2026 for the 2,970 BDRs to be sold. The BDRs are to be sold through B3, Brazil’s stock exchange, via Morgan Stanley’s institutional equity division in São Paulo.

How many Aura Minerals BDRs are reported as outstanding in this filing?

The filing shows 83,789,223 Brazilian depositary receipts outstanding for Aura Minerals. This figure provides context for the planned sale of 2,970 BDRs, which represents a small portion of the total BDRs outstanding.

What Aura Minerals (AUGO) BDR sales occurred in the past three months?

The filing lists multiple BDR sales by KAPITALO K10 MASTER FIM, including 12,237 BDRs on August 20, 2026 for 351,422.42 and 24,749 BDRs on August 28, 2026 for 687,611.60, along with several smaller transactions on intervening dates.

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Available on EDGAR 09/02/2026 - 07:29 PM Accepted by SEC EDGAR 09/02/2026 - 07:29 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	0002126755
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 K10 Master 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	Morgan Stanley | Institutional EquityDivision Avenida Brigadeiro Faria Lima 3600 Faria Lima Square SAO PAULO D5 4538132	2970	82997.54	83789223	09/02/2026	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	05/26/2021	Open Market Purchases	Shares were acquired in the open market trades			2970	05/28/2021	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 K10 MASTER FIM Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/20/2026	12237	351422.42
KAPITALO K10 MASTER FIM Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/24/2026	368	10909.71
KAPITALO K10 MASTER FIM Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/25/2026	4506	134990.14
KAPITALO K10 MASTER FIM Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/26/2026	9118	271509.11
KAPITALO K10 MASTER FIM Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/27/2026	3745	111834.75
KAPITALO K10 MASTER FIM Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/28/2026	24749	687611.60

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	09/02/2026
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)