Aura Minerals holder plans sale of 1 Brazilian receipt

Aura Minerals Inc. (AUGO) has a Rule 144 notice filed for a planned sale of Brazilian depositary receipts (BDRs) by Kapitalo Sigma LLC, which may be deemed an affiliate.

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) has a Rule 144 notice filed for a planned sale of Brazilian depositary receipts (BDRs) by Kapitalo Sigma LLC, which may be deemed an affiliate. The planned sale covers 1 BDR on or about August 24, 2026 through B3 via BofA Securities Inc. The BDRs were acquired through open market purchases. Over the prior three months, Kapitalo Sigma LLC reported selling 27 BDRs with an aggregate market value of 775.39. The filing notes that each Common Share of Aura Minerals is represented by three BDRs.

Key Figures

BDRs to be sold: 1 Brazilian depositary receipt Aggregate market value of planned sale: 29.58 Shares outstanding: 83,789,223 shares +3 more

6 metrics

BDRs to be sold 1 Brazilian depositary receipt Planned Rule 144 sale by Kapitalo Sigma LLC on or about August 24, 2026

Aggregate market value of planned sale 29.58 Value of 1 Brazilian depositary receipt covered by the notice

Shares outstanding 83,789,223 shares Shares outstanding of the class underlying the BDRs for Rule 144 calculations

BDRs sold in past 3 months 27 Brazilian depositary receipts Sales by Kapitalo Sigma LLC on August 20, 2026

Aggregate market value of past 3‑month sales 775.39 Aggregate market value of 27 Brazilian depositary receipts sold

BDR to Common Share ratio 3 BDRs per 1 Common Share Each Common Share of Aura Minerals Inc. is represented by three BDRs

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 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.

B3 market

"08/24/2026 | 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 the Form 144 filing for Aura Minerals Inc. (AUGO) disclose?

The filing discloses that Kapitalo Sigma LLC, which may be deemed an affiliate of Aura Minerals Inc., plans to sell 1 Brazilian depositary receipt (BDR) under Rule 144 on or about August 24, 2026 through B3 using BofA Securities Inc. as broker.

How many Aura Minerals (AUGO) securities are covered and what is their value?

The notice covers 1 Brazilian depositary receipt with an aggregate market value of 29.58. The filing also states there are 83,789,223 shares outstanding of the relevant class as context for the Rule 144 sale limits.

What recent sales has Kapitalo Sigma LLC reported for Aura Minerals (AUGO)?

Over the past three months, Kapitalo Sigma LLC reported selling 27 Brazilian depositary receipts of Aura Minerals Inc. on August 20, 2026 with an aggregate market value of 775.39, as required disclosure for Rule 144 aggregation calculations.

What are Aura Minerals (AUGO) Brazilian depositary receipts and their share ratio?

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.

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

The planned sale of 1 Brazilian depositary receipt is indicated for trading on B3, with BofA Securities Inc. identified as the broker handling the transaction.

How does the Form 144 filing relate to Aura Minerals (AUGO) share count?

For Rule 144 purposes, the filing states there are 83,789,223 shares outstanding of the class underlying the Brazilian depositary receipts, providing a reference point for volume limitations on affiliate sales.

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

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Available on EDGAR 08/24/2026 - 07:11 PM EDT Accepted by SEC EDGAR 08/24/2026 - 07:10 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	BofA Securities Inc 1209 Orange Street Corporation Trust Center Wilmington DE 19801	1	29.58	83789223	08/24/2026	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			1	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

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	08/24/2026
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)