Aura Minerals holder plans sale of 1,259 BDRs

Aura Minerals Inc. (AUGO) has a notice of proposed resale under Rule 144 filed for Brazilian depositary receipts (BDRs) held for the account of Kapitalo Sigma LLC, which may be deemed an affiliate.

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) has a notice of proposed resale under Rule 144 filed for Brazilian depositary receipts (BDRs) held for the account of Kapitalo Sigma LLC, which may be deemed an affiliate. The filing covers 1,259 BDRs, with an indicated aggregate market value of 38,108.62 and a referenced outstanding amount of 83,789,223 BDRs as of September 22, 2026. The BDRs are to be sold through Morgan Stanley’s institutional equity division on the B3 exchange. The BDRs represent Aura Minerals common shares, with three BDRs equal to one common share. The notice also lists multiple prior BDR sales by Kapitalo Sigma LLC over the past three months, each with its own date, quantity, and value.

Key Figures

BDRs to be sold: 1,259 Brazilian depositary receipts Aggregate market value of BDRs: 38,108.62 BDRs outstanding: 83,789,223 Brazilian depositary receipts +3 more

6 metrics

BDRs to be sold 1,259 Brazilian depositary receipts Proposed sale under Rule 144 for Kapitalo Sigma LLC

Aggregate market value of BDRs 38,108.62 Value associated with the 1,259 BDRs in the securities information section

BDRs outstanding 83,789,223 Brazilian depositary receipts Outstanding amount referenced as of September 22, 2026

BDR-to-share ratio 3 BDRs per 1 common share Relationship between Aura Minerals BDRs and common shares

Sale on August 20, 2026 27 BDRs for 775.39 One of the BDR sales in the past three months

Sale on September 3, 2026 880 BDRs for 25,804.74 Largest single BDR sale disclosed in the past three months section

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"

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"

aggregate market value financial

"4538132 | 1259 | 38108.62 | 83789223"

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.

FAQ

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

What securities of Aura Minerals Inc. (AUGO) are covered by this Rule 144 notice?

The notice covers Brazilian depositary receipts (BDRs) representing Aura Minerals common shares. The filing specifies that three BDRs represent one common share of Aura Minerals.

How many Aura Minerals BDRs are proposed to be sold under this Form 144?

The filing lists 1,259 Brazilian depositary receipts to be sold. It also states an aggregate market value of 38,108.62 for these BDRs in the securities information section.

Who is selling Aura Minerals (AUGO) BDRs under this Rule 144 filing?

The securities are to be sold for the account of Kapitalo Sigma LLC, which the filing notes may be deemed an affiliate. Prior BDR sales over the past three months are also reported under Kapitalo Sigma LLC.

On which market will the Aura Minerals BDRs be sold?

The proposed sale is through Morgan Stanley’s Institutional Equity Division on the B3 exchange in Brazil, as stated in the securities information section.

What past three-month sales of Aura Minerals BDRs are disclosed in this Form 144?

The filing lists multiple BDR sales by Kapitalo Sigma LLC, including 27 BDRs for 775.39 on August 20, 2026 and 880 BDRs for 25,804.74 on September 3, 2026, along with several other dated transactions and amounts.

How do Aura Minerals BDRs relate to common shares (AUGO)?

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.

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

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Available on EDGAR 09/22/2026 - 08:10 PM Accepted by SEC EDGAR 09/22/2026 - 08:09 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	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	1259	38108.62	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	07/11/2024	Open Market Purchases	Shares were acquired in the open market trades			1259	07/15/2024	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
KAPITALO SIGMA LLC Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	09/03/2026	880	25804.74
KAPITALO SIGMA LLC Avenida Brigadeiro Faria Lima 3144 11 floor Sao Paulo D5 01451-000	Brazilian depositary receipts	09/11/2026	164	4795.88

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)