Aura Minerals holder to sell 32K BDRs on B3

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) has a planned secondary sale by Kapitalo K10 Master Fundo de Investimento Multimercado under Rule 144 involving 32,000 Brazilian depositary receipts (BDRs) of Aura Minerals, with an aggregate market value of R$932,662.45 as referenced in the notice. The BDRs are listed on B3, and the table cites 83,789,223 BDRs outstanding as of September 3, 2026. The notice also reports several BDR sales by the same fund over the prior three months.

The remarks clarify that these Brazilian depositary receipts are certificates representing Aura Minerals common shares, with three BDRs representing one common share.

Key Figures

Brazilian depositary receipts to be sold: 32,000 BDRs Aggregate market value of BDRs in notice: R$932,662.45 BDRs outstanding: 83,789,223 BDRs +4 more

7 metrics

Brazilian depositary receipts to be sold 32,000 BDRs Planned sale by Kapitalo K10 Master Fundo de Investimento Multimercado under Rule 144

Aggregate market value of BDRs in notice R$932,662.45 Referenced in the securities information section for the 32,000 BDRs

BDRs outstanding 83,789,223 BDRs Outstanding Brazilian depositary receipts as of September 3, 2026

Recent BDR sale on August 20, 2026 12,237 BDRs for R$351,422.42 Securities sold during the past 3 months by Kapitalo K10 Master FIM

Recent BDR sale on August 28, 2026 24,749 BDRs for R$687,611.60 Securities sold during the past 3 months by Kapitalo K10 Master FIM

BDR-to-common-share ratio 3 BDRs per 1 common share Stated in the remarks section for Aura Minerals BDRs

Issuer phone number 1-305-239-9332 Contact phone for Aura Minerals Inc.

Key Terms

Rule 144, Brazilian depositary receipts, Open Market Purchases, Common Shares, +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 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 financial

"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.

Common Shares financial

"certificates representing Common Shares of the Issuer"

Common shares are the basic units of ownership in a company that give holders a claim on profits and a right to vote on key matters, like electing the board. Think of them as membership cards in a club: they let you share in successes and losses, but in a bankruptcy or liquidation they are paid after creditors and preferred shareholders, so their value can swing more and matters for assessing risk and potential return.

aggregate market value financial

"32000 | 932662.45 | 83789223 | 09/03/2026"

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.

FAQ

What does Aura Minerals Inc. (AUGO) disclose in this Form 144 filing?

The filing states that Kapitalo K10 Master Fundo de Investimento Multimercado intends to sell 32,000 Brazilian depositary receipts (BDRs) of Aura Minerals Inc. under Rule 144, with the BDRs listed on B3.

How many Aura Minerals (AUGO) Brazilian depositary receipts are covered by this notice?

The notice covers a proposed sale of 32,000 Brazilian depositary receipts of Aura Minerals. The same table also lists 83,789,223 BDRs outstanding as of September 3, 2026, as context for the issuer’s capital structure.

What is the aggregate market value of Aura Minerals (AUGO) BDRs referenced in the Form 144?

The securities information section references an aggregate market value of R$932,662.45 for the 32,000 Brazilian depositary receipts subject to the Rule 144 notice for Aura Minerals Inc.

On which exchange are Aura Minerals (AUGO) Brazilian depositary receipts traded?

The filing states that the Brazilian depositary receipts of Aura Minerals Inc. are traded on B3, with Morgan Stanley’s Institutional Equity Division listed as the broker in the securities information section.

What prior sales of Aura Minerals (AUGO) BDRs does Kapitalo report in the last three months?

Kapitalo K10 Master FIM reports selling Brazilian depositary receipts on several dates, including 12,237 BDRs on August 20, 2026 for R$351,422.42 and 24,749 BDRs on August 28, 2026 for R$687,611.60, among other transactions.

How do Aura Minerals (AUGO) Brazilian depositary receipts relate to common shares?

The remarks specify that the Brazilian depositary receipts are certificates representing common shares of Aura Minerals Inc., and that three BDRs represent one common share of the issuer.

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Available on EDGAR 09/03/2026 - 07:40 PM Accepted by SEC EDGAR 09/03/2026 - 07:40 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	32000	932662.45	83789223	09/03/2026	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			32000	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
KAPITALO K10 MASTER FIM Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	09/02/2026	2970	83478.30

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	09/03/2026
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)