Aura Minerals fund plans small BDR sale on B3

Kapitalo Master III Fundo de Investimento Multimercado proposes selling 2 Aura BDRs worth about 53.40 on B3 around Sept. 1, 2026.

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) is the issuer for which Kapitalo Master III Fundo de Investimento Multimercado filed a notice of proposed sale under Rule 144. The fund plans to sell 2 Brazilian depositary receipts (BDRs), with an aggregate market value of 53.40, on the B3 exchange around September 1, 2026. The notice states that 83,789,223 shares are outstanding. BDRs are certificates representing Aura Minerals common shares, and three BDRs represent one common share.

Over the past three months, an affiliated fund, KAPITALO MASTER III FIM IE, reported multiple BDR sales, including 61,433 BDRs on August 20, 2026 for 1,764,234.17 and 67,783 BDRs on August 28, 2026 for 1,883,242.84. The BDRs to be sold were acquired through open market purchases.

Key Figures

BDRs to be sold: 2 Brazilian depositary receipts Aggregate market value of BDRs to be sold: 53.40 Shares outstanding: 83,789,223 shares +5 more

8 metrics

BDRs to be sold 2 Brazilian depositary receipts Number of BDRs covered by the Rule 144 notice

Aggregate market value of BDRs to be sold 53.40 Aggregate market value for the 2 BDRs in the proposed sale

Shares outstanding 83,789,223 shares Shares of Aura Minerals Inc. reported as outstanding in the notice

BDRs sold on 06/09/2026 27,286 Brazilian depositary receipts Past 3‑month sale quantity for BDRs

Proceeds on 06/09/2026 BDR sale 521,354.58 Total consideration for 27,286 BDRs sold on 06/09/2026

BDRs sold on 08/20/2026 61,433 Brazilian depositary receipts Past 3‑month sale quantity for BDRs

Proceeds on 08/20/2026 BDR sale 1,764,234.17 Total consideration for 61,433 BDRs sold on 08/20/2026

BDR to common share ratio 3 BDRs per 1 common share Each common share of Aura Minerals is represented by three BDRs

Key Terms

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

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 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"

FAQ

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

What does the Form 144 filing for Aura Minerals Inc. (AUGO) disclose?

The filing discloses that Kapitalo Master III Fundo de Investimento Multimercado intends to sell 2 Brazilian depositary receipts (BDRs) of Aura Minerals Inc. on B3 around September 1, 2026, with an aggregate market value of 53.40, under Rule 144.

How many Aura Minerals (AUGO) shares are reported as outstanding in this filing?

The notice reports that 83,789,223 shares of Aura Minerals Inc. are outstanding as of the Form 144 disclosure; this figure provides a baseline for the issuer’s equity, not the amount being sold.

What are Brazilian depositary receipts in the context of Aura Minerals (AUGO)?

Brazilian depositary receipts mentioned for Aura Minerals are certificates representing its common shares. The remarks state that three BDRs represent one common share of Aura Minerals Inc.

What recent BDR sales related to Aura Minerals (AUGO) does the Form 144 list?

The filing lists several past 3‑month sales by KAPITALO MASTER III FIM IE, including 61,433 BDRs on August 20, 2026 for 1,764,234.17 and 67,783 BDRs on August 28, 2026 for 1,883,242.84, among other transactions.

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

The securities to be sold, described as Brazilian depositary receipts of Aura Minerals, were acquired in open market trades, according to the acquisition information in the filing.

On which exchange are the Aura Minerals (AUGO) BDRs proposed to be sold?

The proposed sale of Aura Minerals Brazilian depositary receipts is listed as occurring on B3, the Brazilian stock exchange, with the approximate date of sale given as 09/01/2026.

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

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Available on EDGAR 09/01/2026 - 07:16 PM EDT Accepted by SEC EDGAR 09/01/2026 - 07:15 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	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	Safra Corretora de Valores e Cambio Avenida Paulista 2100 Edificio Banco Safra SAO PAULO D5 1310200	2	53.40	83789223	09/01/2026	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			2	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
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/27/2026	9387	280318.51
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/28/2026	67783	1883242.84
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	08/31/2026	1	26.74

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	09/01/2026
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)