Aura Minerals holder plans sale of 775 BDRs on B3

Aura Minerals Inc. (AUGO) is the issuer for which Kapitalo Mercante Master Fundo de Investimento Multimercado has filed a notice to sell Brazilian depositary receipts (BDRs) under Rule 144.

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) is the issuer for which Kapitalo Mercante Master Fundo de Investimento Multimercado has filed a notice to sell Brazilian depositary receipts (BDRs) under Rule 144. The notice covers 775 BDRs, listed on B3, with an aggregate market value of 23128.47 as of 08/26/2026. The BDRs were acquired through open market purchases on 04/10/2026 and are to be sold for cash. Each BDR represents an interest in Aura Minerals’ common shares, with three BDRs representing one common share.

Over the prior three months, the same fund reported additional BDR sales in several transactions, including 370 BDRs on 08/19/2026, 1,028 BDRs on 08/20/2026, 31 BDRs on 08/24/2026, and 383 BDRs on 08/25/2026, each with stated total sale values in Brazilian trading.

Key Figures

BDRs to be sold: 775 Brazilian depositary receipts Aggregate market value of BDRs: 23128.47 BDR-to-common share ratio: 3 BDRs per 1 common share +4 more

7 metrics

BDRs to be sold 775 Brazilian depositary receipts Securities covered by the Rule 144 notice for Aura Minerals Inc.

Aggregate market value of BDRs 23128.47 Value of 775 BDRs listed on B3 as of 08/26/2026

BDR-to-common share ratio 3 BDRs per 1 common share Three BDRs represent one Aura Minerals common share

BDRs sold on 08/19/2026 370 Brazilian depositary receipts Past 3 months sales by the same fund

Value of 08/19/2026 sale 10353.87 Total sale value for 370 BDRs on 08/19/2026

BDRs sold on 08/20/2026 1028 Brazilian depositary receipts Past 3 months sales by the same fund

Value of 08/20/2026 sale 29522.13 Total sale value for 1,028 BDRs on 08/20/2026

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 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 market

"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 | 08/26/2026 | 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 securities related to AUGO are being sold under this Form 144?

The notice covers 775 Brazilian depositary receipts (BDRs) of Aura Minerals Inc., listed on B3. These BDRs are certificates representing the issuer’s common shares, with three BDRs representing one common share of Aura Minerals.

Who is selling Aura Minerals (AUGO) BDRs in this Form 144 filing?

The selling holder is Kapitalo Mercante Master Fundo de Investimento Multimercado. The filing indicates the person may be deemed an affiliate, and the sales relate to Brazilian depositary receipts representing Aura Minerals’ common shares.

What is the aggregate market value of Aura Minerals (AUGO) BDRs covered by this notice?

The notice states an aggregate market value of 23128.47 for the 775 BDRs covered, with the BDRs traded on B3 as of 08/26/2026. This value applies to the securities planned for sale under Rule 144.

How and when were the Aura Minerals (AUGO) BDRs to be sold acquired?

The 775 BDRs covered by the Form 144 were acquired in open market purchases on 04/10/2026. The form characterizes the acquisition method as “Open Market Purchases” and notes that the planned disposition is for cash.

What recent sales of Aura Minerals (AUGO) BDRs has the seller reported in the last 3 months?

Over the past three months, the fund reported BDR sales including 370 BDRs (value 10353.87) on 08/19/2026, 1,028 BDRs (value 29522.13) on 08/20/2026, 31 BDRs (value 919.02) on 08/24/2026, and 383 BDRs (value 11473.86) on 08/25/2026.

What is the relationship between Aura Minerals (AUGO) common shares and its Brazilian depositary receipts?

The remarks explain that Brazilian Depositary Receipts are certificates representing Aura Minerals’ common shares, and that three BDRs represent one common share of the issuer. This ratio defines the linkage between the BDRs and the underlying equity.

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

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Available on EDGAR 08/26/2026 - 07:43 PM EDT Accepted by SEC EDGAR 08/26/2026 - 07:42 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	0002135154
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 Mercante 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	BofA Securities Inc 1209 Orange Street Corporation Trust Center Wilmington DE 19801	775	23128.47	83789223	08/26/2026	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	04/10/2026	Open Market Purchases	Shares were acquired in the open market trades			775	04/14/2026	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 MERCANTE MASTER FIM Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/19/2026	370	10353.87
KAPITALO MERCANTE MASTER FIM Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/20/2026	1028	29522.13
KAPITALO MERCANTE MASTER FIM Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/24/2026	31	919.02
KAPITALO MERCANTE MASTER FIM Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/25/2026	383	11473.86

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	08/26/2026
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)