Aura Minerals (AUGO) fund plans B3 sale of BDR stake

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) is the issuer for which Kapitalo Master III Fundo de Investimento Multimercado has filed a notice of proposed resale under Rule 144. The fund plans to sell 9,387 Brazilian depositary receipts (BDRs) of Aura Minerals, to be sold through B3, with an indicated market value of 280,524.94.

The BDRs were acquired through open market purchases, and three BDRs represent one common share of Aura Minerals. The filing also lists multiple BDR sales during the past three months by an affiliated Kapitalo fund, each with specified dates, quantities, and consideration amounts.

Key Figures

BDRs to be sold: 9,387 Brazilian depositary receipts Market value of securities to be sold: 280,524.94 BDR-to-share ratio: 3 BDRs per 1 common share +4 more

7 metrics

BDRs to be sold 9,387 Brazilian depositary receipts Quantity of Aura Minerals BDRs covered by the proposed Rule 144 sale

Market value of securities to be sold 280,524.94 Stated market value for the 9,387 Aura Minerals BDRs to be sold

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

Sale on 06/09/2026 27,286 Brazilian depositary receipts; 521,354.58 consideration Past three months sale of Aura Minerals BDRs by a related Kapitalo fund

Sale on 08/19/2026 25,703 Brazilian depositary receipts; 719,258.00 consideration Reported recent sale of Aura Minerals BDRs

Sale on 08/20/2026 61,433 Brazilian depositary receipts; 1,764,234.17 consideration Larger recent sale of Aura Minerals BDRs

Sale on 08/26/2026 43,133 Brazilian depositary receipts; 1,284,383.05 consideration Most recent reported Aura Minerals BDR sale in the filing

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"

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.

B3 market

"83789223 | 08/27/2026 | 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 Aura Minerals Inc. (AUGO) disclose in this Form 144?

Aura Minerals Inc. is identified as the issuer for a Rule 144 resale by Kapitalo Master III Fundo de Investimento Multimercado, which plans to sell 9,387 Brazilian depositary receipts (BDRs) of Aura Minerals on B3, representing common shares of the issuer.

How many Aura Minerals (AUGO) BDRs are proposed to be sold under this notice?

The notice covers a proposed sale of 9,387 Brazilian depositary receipts of Aura Minerals Inc. These BDRs are to be sold on B3, and the filing indicates a corresponding market value of 280,524.94 for the securities to be sold.

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

The filing states 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.

How were the Aura Minerals (AUGO) BDRs being sold under this Form 144 acquired?

The securities to be sold are Brazilian depositary receipts that were acquired in open market trades. The filing describes the acquisition method as Open Market Purchases with consideration listed as cash.

What recent Aura Minerals (AUGO) BDR sales by the filer are reported in the last three months?

The filing lists several recent BDR sales, including 27,286 BDRs on 06/09/2026 for 521,354.58 and 61,433 BDRs on 08/20/2026 for 1,764,234.17, along with other dated transactions showing quantities sold and total consideration.

On which market are Aura Minerals (AUGO) BDRs in this Form 144 expected to trade?

The Brazilian depositary receipts referenced in the notice are listed with the marketplace B3. The filing identifies the security as Brazilian depositary receipts of Aura Minerals Inc. to be traded on that exchange.

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Available on EDGAR 08/27/2026 - 07:34 PM Accepted by SEC EDGAR 08/27/2026 - 07:34 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	9387	280524.94	83789223	08/27/2026	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			9387	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	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
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/20/2026	61433	1764234.17
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/21/2026	22386	661761.69
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/24/2026	113	3349.99
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/25/2026	31106	931869.36
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/26/2026	43133	1284383.05

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	08/27/2026
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)