Aura Minerals holder plans sale of 164 BDRs

Available on EDGAR 09/11/2026 - 09:33 PM EDT Accepted by SEC EDGAR 09/11/2026 - 09:32 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) is the issuer for which Kapitalo Sigma LLC filed a Form 144 notice covering the planned sale of 164 Brazilian depositary receipts (BDRs) through broker Morgan Stanley on the B3 exchange, with an aggregate market value of 4,774.22 as of September 11, 2026.

The notice states there are 83,789,223 shares outstanding of the relevant class, and explains that each BDR represents Aura Minerals common equity at a ratio of three BDRs per one Common Share. The filer is identified as a person that may be deemed an affiliate and has made multiple recent BDR sales.

Key Figures

Brazilian depositary receipts to be sold: 164 BDRs Aggregate market value of BDRs to be sold: 4,774.22 Shares outstanding: 83,789,223 shares +5 more

8 metrics

Brazilian depositary receipts to be sold 164 BDRs Planned sale reported by Kapitalo Sigma LLC under Rule 144

Aggregate market value of BDRs to be sold 4,774.22 Value associated with the 164 BDRs as of September 11, 2026

Shares outstanding 83,789,223 shares Outstanding shares of the relevant Aura Minerals class as of the notice

BDR-to-common share ratio 3 BDRs per 1 Common Share Each Brazilian Depositary Receipt represents a fraction of a common share

Recent sale on September 3, 2026 880 BDRs for 25,804.74 Largest single disclosed sale in the past 3 months table

Recent sale on September 2, 2026 284 BDRs for 7,982.44 Disclosed prior BDR sale by Kapitalo Sigma LLC

Acquisition date of BDRs June 27, 2024 Date BDRs to be sold were acquired in open market purchases

Date of notice September 11, 2026 Filing date of the Form 144 notice

Key Terms

Rule 144, Brazilian depositary receipts, open market purchases, Common Shares, +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 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.

Common Shares financial

"Three BDRs represent one Common Share of the Issuer"

Common shares are the basic units of ownership in a company that give holders a claim on profits and a right to vote on key matters, like electing the board. Think of them as membership cards in a club: they let you share in successes and losses, but in a bankruptcy or liquidation they are paid after creditors and preferred shareholders, so their value can swing more and matters for assessing risk and potential return.

affiliate regulatory

"May be deemed affiliate"

FAQ

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

What does Aura Minerals Inc. (AUGO) disclose in this Form 144 filing?

The filing reports that Kapitalo Sigma LLC, which may be deemed an affiliate, filed a notice under Rule 144 to sell 164 Brazilian depositary receipts (BDRs) of Aura Minerals through Morgan Stanley on the B3 exchange.

How many Aura Minerals (AUGO) Brazilian depositary receipts are planned to be sold?

The Form 144 states that 164 Brazilian depositary receipts are to be sold. These BDRs are to be sold through Morgan Stanley on the B3 exchange, with an aggregate market value of 4,774.22 as of September 11, 2026.

What is the relationship between Aura Minerals (AUGO) BDRs and common shares?

The remarks specify that Brazilian Depositary Receipts are certificates representing Common Shares of Aura Minerals and that three BDRs represent one Common Share of the issuer. This defines how the receipts correspond to the underlying equity.

How many Aura Minerals (AUGO) shares are outstanding according to the Form 144?

The securities information section lists 83,789,223 shares outstanding for the relevant class as of the notice date of September 11, 2026, providing context for the size of the planned and recent sales.

What recent sales of Aura Minerals (AUGO) BDRs by Kapitalo Sigma LLC are disclosed?

The filing lists several past 3‑month sales of Brazilian depositary receipts, including 880 BDRs sold on September 3, 2026 for 25,804.74 and 284 BDRs sold on September 2, 2026 for 7,982.44.

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

The Form 144 states that the Brazilian depositary receipts were acquired on June 27, 2024 through open market purchases, with a note that the shares were acquired in open market trades and that the consideration was cash.

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

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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	164	4774.22	83789223	09/11/2026	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	06/27/2024	Open Market Purchases	Shares were acquired in the open market trades			164	07/01/2024	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

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	09/11/2026
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)