Aura Minerals holder plans sale of 53,370 BDRs

A fund associated with Aura Minerals’ securities has filed to sell up to 53,370 Brazilian depositary receipts on Brazil’s B3 exchange under Rule 144.

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) is the issuer of Brazilian depositary receipts (BDRs) that a fund, Kapitalo Tarkus Master Fundo de Investimento em Acoes, has notified an intention to sell under Rule 144. The notice covers 53,370 BDRs, with an aggregate market value of 1,615,454.50, to be sold through Morgan Stanley on the B3 exchange on or after September 22, 2026.

The filing states that BDRs are certificates representing common shares of Aura Minerals, with three BDRs representing one common share. As context, there were 83,789,223 BDRs outstanding, and the same fund sold 17,929 BDRs on June 30, 2026 and 7,940 BDRs on September 14, 2026.

Key Figures

Brazilian depositary receipts to be sold: 53,370 BDRs Aggregate market value of planned BDR sale: 1,615,454.50 Brazilian depositary receipts outstanding: 83,789,223 BDRs +5 more

8 metrics

Brazilian depositary receipts to be sold 53,370 BDRs Planned sale under Rule 144 on or after September 22, 2026

Aggregate market value of planned BDR sale 1,615,454.50 Value of 53,370 BDRs noticed for sale

Brazilian depositary receipts outstanding 83,789,223 BDRs BDRs outstanding for Aura Minerals when notice was filed

BDRs sold June 30, 2026 17,929 BDRs Sold for 372,746.72 by the same fund

Proceeds from June 30, 2026 BDR sale 372,746.72 For 17,929 Brazilian depositary receipts

BDRs sold September 14, 2026 7,940 BDRs Sold for 227,520.72 by the same fund

Proceeds from September 14, 2026 BDR sale 227,520.72 For 7,940 Brazilian depositary receipts

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

Key Terms

Rule 144, Brazilian depositary receipts, aggregate market value, 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"

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

"53370 | 1615454.50 | 83789223 | 09/22/2026 | 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 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.

B3 market

"83789223 | 09/22/2026 | 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 does the Form 144 filing disclose for Aura Minerals Inc. (AUGO)?

It discloses that Kapitalo Tarkus Master Fundo de Investimento em Acoes plans to sell 53,370 Brazilian depositary receipts of Aura Minerals on or after September 22, 2026 through Morgan Stanley on the B3 exchange under Rule 144.

How many Aura Minerals (AUGO) Brazilian depositary receipts are outstanding?

The notice states that there are 83,789,223 Brazilian depositary receipts outstanding for Aura Minerals Inc. This figure serves as context for the 53,370 BDRs the selling fund has noticed for potential sale under Rule 144.

What is the aggregate market value of BDRs to be sold for Aura Minerals (AUGO)?

The Form 144 reports that the 53,370 Brazilian depositary receipts to be sold have an aggregate market value of 1,615,454.50. The filing does not specify the currency but presents this figure as the total market value for the BDRs covered by the notice.

What recent sales of Aura Minerals (AUGO) BDRs has the selling fund made?

The filing lists two prior sales by the fund: 17,929 BDRs sold on June 30, 2026 for 372,746.72, and 7,940 BDRs sold on September 14, 2026 for 227,520.72. These are sales during the three months preceding the notice.

How do Aura Minerals (AUGO) Brazilian depositary receipts relate to 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 BDRs traded on B3 to the underlying Aura Minerals common equity.

Who is the broker and where will Aura Minerals (AUGO) BDRs be sold?

The proposed sales will be executed through Morgan Stanley, Institutional Equity Division, with the BDRs traded on B3, the Brazilian stock exchange. The planned sale date stated in the notice is September 22, 2026.

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

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Available on EDGAR 09/22/2026 - 08:12 PM Accepted by SEC EDGAR 09/22/2026 - 08:12 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	0002126746
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 Tarkus Master Fundo de Investimento em Acoes
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	53370	1615454.50	83789223	09/22/2026	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	08/26/2020	Open Market Purchases	Shares were acquired in the open market trades			53370	08/28/2020	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 TARKUS MASTER FIA Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	06/30/2026	17929	372746.72
KAPITALO TARKUS MASTER FIA Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	09/14/2026	7940	227520.72

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	09/22/2026
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)