Aura Minerals holder to sell 800 BDRs on B3

A fund associated with Aura Minerals’ Brazilian depositary receipts has filed a Rule 144 notice to sell 800 BDRs on the B3 exchange, alongside disclosure of prior BDR sales.

Available on EDGAR 09/11/2026 - 09:22 PM EDT Accepted by SEC EDGAR 09/11/2026 - 09:21 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) is the underlying issuer for Brazilian depositary receipts (BDRs) that a fund investor plans to sell under Rule 144. Kapitalo SND Master Fundo de Investimento Multimercado has filed notice to sell 800 BDRs, acquired through open market purchases, with sales through the B3 exchange for cash.

The notice also lists BDR sales by an affiliated fund, KAPITALO SND MASTER FIM IE, over the past three months, totaling several thousand BDRs across multiple August 2026 transactions. Each BDR represents a fraction of Aura Minerals’ equity, with three BDRs representing one common share of Aura Minerals.

Key Figures

BDRs to be sold: 800 Brazilian depositary receipts Planned sale market value: 23,288.86 BDR to common share ratio: 3 BDRs per 1 common share +5 more

8 metrics

BDRs to be sold 800 Brazilian depositary receipts Planned Rule 144 sale by Kapitalo SND Master Fundo de Investimento Multimercado

Planned sale market value 23,288.86 Approximate aggregate market value of 800 BDRs as of September 11, 2026

BDR to common share ratio 3 BDRs per 1 common share Each three Brazilian Depositary Receipts represent one common share of Aura Minerals

BDRs sold on August 20, 2026 3,017 Brazilian depositary receipts Past 3-month sale by KAPITALO SND MASTER FIM IE for 86,642.27

BDRs sold on August 28, 2026 6,216 Brazilian depositary receipts Past 3-month sale by KAPITALO SND MASTER FIM IE for 172,701.67

Past 3-month sale August 24, 2026 93 Brazilian depositary receipts Sale by KAPITALO SND MASTER FIM IE for 2,757.07

Past 3-month sale August 25, 2026 1,132 Brazilian depositary receipts Sale by KAPITALO SND MASTER FIM IE for 33,912.30

Past 3-month sale August 26, 2026 2,290 Brazilian depositary receipts Sale by KAPITALO SND MASTER FIM IE for 68,189.94

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

"09/11/2026 | 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

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What is being sold under Rule 144 related to Aura Minerals Inc. (AUGO)?

The filing reports that 800 Brazilian depositary receipts (BDRs) of Aura Minerals Inc. are planned to be sold for cash, with the BDRs having been acquired in open market trades and to be sold on the B3 exchange.

Who is selling the Aura Minerals (AUGO) Brazilian depositary receipts?

The BDRs are to be sold for the account of Kapitalo SND Master Fundo de Investimento Multimercado, which may be deemed an affiliate, with prior sales disclosed for KAPITALO SND MASTER FIM IE.

How do Aura Minerals (AUGO) BDRs relate to its common shares?

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.

On which market will the Aura Minerals (AUGO) BDRs be sold?

The securities information section identifies the BDRs as being traded on B3, with Morgan Stanley’s Institutional Equity Division listed as the broker for the Brazilian depositary receipts.

What prior Aura Minerals (AUGO) BDR sales are disclosed in the last three months?

The notice lists past sales by KAPITALO SND MASTER FIM IE including 3,017 BDRs for 86,642.27 on August 20, 2026 and 6,216 BDRs for 172,701.67 on August 28, 2026, plus several smaller transactions in that period.

When is the Rule 144 notice for Aura Minerals (AUGO) BDRs dated?

The Rule 144 notice for the planned sale of Aura Minerals’ Brazilian depositary receipts is dated September 11, 2026, as indicated in the Date of Notice field and in the securities information section.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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	0002137613
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 SND 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	800	23288.86	83789223	09/11/2026	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	12/05/2024	Open Market Purchases	Shares were acquired in the open market trades			800	12/09/2024	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 SND MASTER FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/20/2026	3017	86642.27
KAPITALO SND MASTER FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/24/2026	93	2757.07
KAPITALO SND MASTER FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/25/2026	1132	33912.30
KAPITALO SND MASTER FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/26/2026	2290	68189.94
KAPITALO SND MASTER FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/28/2026	6216	172701.67

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	09/11/2026
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)