Aura Minerals holder to sell 880 BDRs on B3

Aura Minerals Inc. (AUGO) is the issuer of Brazilian depositary receipts (BDRs) for which Kapitalo Sigma LLC has filed a notice of proposed sale under Rule 144.

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) is the issuer of Brazilian depositary receipts (BDRs) for which Kapitalo Sigma LLC has filed a notice of proposed sale under Rule 144. The notice covers 880 Brazilian depositary receipts to be sold through the B3 exchange in Brazil.

The filing states that these BDRs were acquired through open market purchases, and that three BDRs represent one common share of Aura Minerals Inc. It also lists several prior sales of BDRs by Kapitalo Sigma LLC during the last three months.

Key Figures

Brazilian depositary receipts to be sold: 880 Brazilian depositary receipts Aggregate market value of BDRs: 25,648.22 Shares outstanding (BDRs context): 83,789,223 shares +4 more

7 metrics

Brazilian depositary receipts to be sold 880 Brazilian depositary receipts Quantity covered by the Rule 144 notice for Aura Minerals Inc.

Aggregate market value of BDRs 25,648.22 Aggregate market value associated with the 880 Brazilian depositary receipts

Shares outstanding (BDRs context) 83,789,223 shares Figure listed alongside BDRs in the securities information section

Recent sale on September 2, 2026 284 Brazilian depositary receipts; 7,982.44 total One of the reported past 3-month transactions by Kapitalo Sigma LLC

Recent sale on August 28, 2026 54 Brazilian depositary receipts; 1,500.30 total Reported past 3-month transaction by Kapitalo Sigma LLC

BDR-to-common-share ratio 3 BDRs per 1 common share Stated relationship between BDRs and Aura Minerals Inc. common shares

Date of notice September 3, 2026 Date on which the Rule 144 notice was signed

Key Terms

Rule 144, Brazilian depositary receipts, Open Market Purchases, affiliate, +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.

affiliate regulatory

"May be deemed affiliate"

B3 market

"09/03/2026 | 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 Aura Minerals Inc. (AUGO) disclose in this Form 144 filing?

The filing reports that Kapitalo Sigma LLC plans to sell 880 Brazilian depositary receipts (BDRs) of Aura Minerals Inc. under Rule 144 on the B3 exchange, with the BDRs representing common shares of Aura Minerals Inc.

How many Aura Minerals (AUGO) Brazilian depositary receipts are covered by this Rule 144 notice?

The Rule 144 notice covers a proposed sale of 880 Brazilian depositary receipts of Aura Minerals Inc. These BDRs are to be sold on B3, the Brazilian stock exchange, according to the filing’s securities information section.

What is the relationship between Aura Minerals (AUGO) BDRs and its common shares?

The filing explains that Brazilian Depositary Receipts are certificates representing common shares of Aura Minerals Inc., and that three BDRs represent one common share of the issuer.

Who is selling Aura Minerals Inc. (AUGO) securities under this Form 144?

The person for whose account the securities are to be sold is Kapitalo Sigma LLC. The filing indicates that this holder may be deemed an affiliate of Aura Minerals Inc. for Rule 144 purposes.

What recent sales of Aura Minerals (AUGO) BDRs does Kapitalo Sigma LLC report?

Over the past three months, Kapitalo Sigma LLC reports multiple BDR sales, including 27 BDRs on August 20, 2026 and 284 BDRs on September 2, 2026, with each transaction showing the number of BDRs sold and the total proceeds in local currency.

Where will the Aura Minerals (AUGO) BDRs in this Form 144 filing be sold?

The BDRs are listed under securities information as tradable on B3, Brazil’s stock exchange. The proposed Rule 144 sale of 880 Brazilian depositary receipts is tied to B3 in the filing.

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

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Available on EDGAR 09/03/2026 - 07:54 PM EDT Accepted by SEC EDGAR 09/03/2026 - 07:53 PM EDT 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	0002126748
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 Sigma LLC
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	880	25648.22	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	06/07/2024	Open Market Purchases	Shares were acquired in the open market trades			880	06/11/2024	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 SIGMA LLC Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/20/2026	27	775.39
KAPITALO SIGMA LLC Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/24/2026	1	29.65
KAPITALO SIGMA LLC Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/25/2026	10	299.58
KAPITALO SIGMA LLC Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/26/2026	20	595.55
KAPITALO SIGMA LLC Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/28/2026	54	1500.30
KAPITALO SIGMA LLC Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	09/02/2026	284	7982.44

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)