Aura Minerals holder plans sale of 17 BDRs

Investment fund Kapitalo has filed a Rule 144 notice to sell a small lot of Aura Minerals Brazilian depositary receipts on Brazil’s B3 exchange.

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) is the underlying issuer for Brazilian depositary receipts (BDRs) that an investment fund, Kapitalo Master III Fundo de Investimento Multimercado, plans to sell under Rule 144. The notice covers a planned sale of 17 BDRs on the B3 exchange through broker Safra Corretora de Valores e Câmbio, with an aggregate market value of 490.68 and 83,789,223 BDRs outstanding as of the notice. The BDRs were acquired in open market purchases on June 12, 2025, and represent common shares of Aura Minerals, with three BDRs representing one common share. The filing also lists multiple recent BDR sales by a related Kapitalo fund during August and September 2026, including blocks such as 100,083 BDRs sold on September 3, 2026.

Key Figures

BDRs to be sold under Rule 144: 17 Brazilian depositary receipts Aggregate market value of BDRs to be sold: 490.68 Aura Minerals BDRs outstanding: 83,789,223 Brazilian depositary receipts +4 more

7 metrics

BDRs to be sold under Rule 144 17 Brazilian depositary receipts Number of securities to be sold through Safra Corretora on B3

Aggregate market value of BDRs to be sold 490.68 Value for the 17 BDRs covered in the notice

Aura Minerals BDRs outstanding 83,789,223 Brazilian depositary receipts Number of BDRs outstanding as referenced in the Form 144

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

Largest single recent BDR sale 100,083 Brazilian depositary receipts Sold on September 3, 2026, for 2,934,790.42

Example prior BDR sale 67,783 Brazilian depositary receipts Sold on August 28, 2026, for 1,883,242.84

Date of Rule 144 notice September 16, 2026 Date the Form 144 notice is dated

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

"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 financial

"May be deemed affiliate"

FAQ

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

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

The filing reports that Kapitalo Master III intends to sell 17 Brazilian depositary receipts (BDRs) of Aura Minerals on the B3 exchange under Rule 144. It is a resale notice by an existing holder and does not describe a new issuance by Aura Minerals.

How many Aura Minerals (AUGO) Brazilian depositary receipts are covered in this Form 144?

The Form 144 covers a planned sale of 17 Brazilian depositary receipts. The notice states an aggregate market value of 490.68 for these securities and lists 83,789,223 BDRs outstanding as of the planned sale date disclosure.

What relationship do Aura Minerals (AUGO) BDRs have to its common shares?

The filing explains 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 defines how many BDRs correspond economically to each underlying common share.

On which market will the Aura Minerals (AUGO) BDRs in this Form 144 be sold?

The notice states that the Brazilian depositary receipts are to be sold on B3, the Brazilian stock exchange, through Safra Corretora de Valores e Câmbio as broker. The planned date of sale referenced in the notice is September 16, 2026.

What prior Aura Minerals (AUGO) BDR sales by the filer are disclosed?

The Form 144 lists several recent BDR sales by a related Kapitalo fund, including 25,703 BDRs on August 19, 2026, 67,783 BDRs on August 28, 2026, and 100,083 BDRs on September 3, 2026, with corresponding gross sale amounts such as 2,934,790.42 for the September 3 transaction.

How were the Aura Minerals (AUGO) BDRs in this Form 144 originally acquired?

The securities to be sold are described as Brazilian depositary receipts that were acquired in open market trades. The acquisition date given is June 12, 2025, and the form labels the method of acquisition as Open Market Purchases paid in cash.

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

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Available on EDGAR 09/16/2026 - 07:50 PM Accepted by SEC EDGAR 09/16/2026 - 07:49 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	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	17	490.68	83789223	09/16/2026	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			17	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	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
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	09/01/2026	2	53.65
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	09/02/2026	21990	618076.73
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	09/03/2026	100083	2934790.42
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	09/08/2026	1354	39077.99
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	09/09/2026	5635	165886.53
KAPITALO MASTER III FIM IE Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	09/11/2026	37560	1098372.59

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	09/16/2026
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)