Aura Minerals director trades BDRs, adds 3K shares

Q: How many Aura Minerals (AUGO) common shares were acquired in this Form 4?

The filing reports indirect acquisitions of 3,000 common shares of Aura Minerals Inc., in two blocks of 2,000 and 1,000 shares, funded by sales of an equivalent interest in Brazilian Depositary Receipts.

Q: What prices were paid for Aura Minerals (AUGO) shares and BDRs in these transactions?

The entity bought 3,000 BDRs at $28.2501 each, sold 9,000 BDRs at a weighted average of $28.0447, and acquired 2,000 common shares at a weighted average of $84.0227 and 1,000 shares at $85.4394 per share.

Q: Were these Aura Minerals (AUGO) insider transactions under a Rule 10b5-1 plan?

No. The Form 4 indicates that no Rule 10b5-1 trading plan is reported for these transactions, and the footnotes describe weighted average prices and funding via related BDR sales but do not reference any trading plan.

Q: Does the Aura Minerals (AUGO) director report direct or indirect ownership in this Form 4?

All reported positions are indirect, held "By Kapitalo Investimentos." The reporting person disclaims beneficial ownership except to the extent of any pecuniary interest, consistent with the disclaimer language included in the remarks.

An investment entity linked to an Aura Minerals director rebalanced between BDRs and common shares, adding 3,000 common shares on September 15, 2026.

Available on EDGAR 09/16/2026 - 05:29 PM EDT Accepted by SEC EDGAR 09/16/2026 - 05:29 PM EDT

Filing Impact

(Moderate)

Filing Sentiment

(Positive)How Sentiment works

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Form Type

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) director Sousa Mauad Bruno, through Kapitalo Investimentos, reported several indirect transactions on September 15, 2026. An entity associated with him sold 9,000 Brazilian Depositary Receipts and used the proceeds to buy 3,000 common shares, while also purchasing 3,000 additional BDRs, shifting part of its exposure from BDRs into common shares.

Insider Trade Summary

Net Buyer: 3,000 shares

Net Buy 4 txns

Insider Sousa Mauad Bruno

Role Director

Bought 3,000 shs ($85K)

Type	Security	Shares	Price	Value
Purchase	Brazilian Depositary Receipts ^F1	3,000	$28.2501	$85K
Conversion	Brazilian Depositary Receipts ^{F1, F4}	9,000	$28.0447	$252K
Conversion	Common Shares ^F2	2,000	$84.0227	$168K
Conversion	Common Shares ^F3	1,000	$85.4394	$85K

Holdings After Transaction: Brazilian Depositary Receipts — 13,174,941 contracts (Indirect, By Kapitalo Investimentos); Common Shares — 80,040 shares (Indirect, By Kapitalo Investimentos)

Holdings Before and After: Brazilian Depositary Receipts, 13,180,941 to 13,174,941 contracts (Indirect, By Kapitalo Investimentos); Common Shares, 77,040 to 80,040 shares (Indirect, By Kapitalo Investimentos)

Footnotes (4)

F1. BDRs are certificates representing Common Shares of the Issuer. Three BDRs represent one Common Share of the Issuer.
F2. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $83.60 to $84.29, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the ranges set forth in footnote (2) to this Form 4. The source of funds for the purchase was the sale of an equivalent number of BDRs, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table II below.
F3. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $85.38 to $85.50, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the ranges set forth in footnote (3) to this Form 4. The source of funds for the purchase was the sale of an equivalent number of BDRs, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table II below.
F4. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $27.87 to $28.32, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of BDRs sold at each separate price within the ranges set forth in footnote (4) to this Form 4. The weighted average price, R$144.40 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of September 15, 2026. The proceeds of the sale were used to purchase an equivalent number of common shares, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table I above.

Key Figures

BDRs purchased: 3,000 Brazilian Depositary Receipts BDRs sold for conversion: 9,000 Brazilian Depositary Receipts Common shares acquired: 2,000 common shares +2 more

5 metrics

BDRs purchased 3,000 Brazilian Depositary Receipts Indirect purchase on September 15, 2026 at $28.2501 per BDR

BDRs sold for conversion 9,000 Brazilian Depositary Receipts Indirect sale on September 15, 2026 at weighted average $28.0447 per BDR

Common shares acquired 2,000 common shares Indirectly bought at weighted average $84.0227 per share, funded by BDR sales

Additional common shares acquired 1,000 common shares Indirectly bought at weighted average $85.4394 per share, funded by BDR sales

BDR-to-share ratio 3 BDRs per 1 common share Each Brazilian Depositary Receipt represents one-third of a common share

Key Terms

Brazilian Depositary Receipts, weighted average price, pecuniary interest, Banco Central do Brasil, +1 more

5 terms

Brazilian Depositary Receipts financial

"BDRs 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.

weighted average price financial

"The price reported is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

pecuniary interest financial

"except to the extent of its pecuniary interest, if any, therein"

Banco Central do Brasil financial

"using the Banco Central do Brasil's conversion rate as of September 15, 2026"

Brazilian reais financial

"The weighted average price, R$144.40 Brazilian reais ("BRL") per BDR"

FAQ

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

What insider transactions did Aura Minerals (AUGO) report on September 15, 2026?

On September 15, 2026, an entity associated with director Sousa Mauad Bruno sold 9,000 BDRs, bought 3,000 BDRs, and purchased 3,000 common shares of Aura Minerals Inc., all held indirectly through Kapitalo Investimentos.

How many Aura Minerals (AUGO) common shares were acquired in this Form 4?

The filing reports indirect acquisitions of 3,000 common shares of Aura Minerals Inc., in two blocks of 2,000 and 1,000 shares, funded by sales of an equivalent interest in Brazilian Depositary Receipts.

What prices were paid for Aura Minerals (AUGO) shares and BDRs in these transactions?

The entity bought 3,000 BDRs at $28.2501 each, sold 9,000 BDRs at a weighted average of $28.0447, and acquired 2,000 common shares at a weighted average of $84.0227 and 1,000 shares at $85.4394 per share.

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

The filing states that Brazilian Depositary Receipts represent Aura Minerals’ common shares and that three BDRs represent one common share, linking the reported BDR transactions to equivalent interests in the company’s underlying common equity.

Were these Aura Minerals (AUGO) insider transactions under a Rule 10b5-1 plan?

No. The Form 4 indicates that no Rule 10b5-1 trading plan is reported for these transactions, and the footnotes describe weighted average prices and funding via related BDR sales but do not reference any trading plan.

Does the Aura Minerals (AUGO) director report direct or indirect ownership in this Form 4?

All reported positions are indirect, held "By Kapitalo Investimentos." The reporting person disclaims beneficial ownership except to the extent of any pecuniary interest, consistent with the disclaimer language included in the remarks.

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Sousa Mauad Bruno

(Last)

(First)

(Middle)

C/O AURA TECHNICAL SERVICES INC.

3390 MARY ST, SUITE 116

(Street)

COCONUT GROVE

FLORIDA

33133

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Aura Minerals Inc. [ AUGO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Shares	09/15/2026		C		2,000	A	$84.0227⁽²⁾	79,040	I	By Kapitalo Investimentos
Common Shares	09/15/2026		C		1,000	A	$85.4394⁽³⁾	80,040	I	By Kapitalo Investimentos

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Brazilian Depositary Receipts	⁽¹⁾	09/15/2026		P		3,000		⁽¹⁾	⁽¹⁾	Common shares, no par value	1,000	$28.2501	13,183,941	I	By Kapitalo Investimentos
Brazilian Depositary Receipts	⁽¹⁾	09/15/2026		C			9,000	⁽¹⁾	⁽¹⁾	Common shares, no par value	3,000	$28.0447⁽⁴⁾	13,174,941	I	By Kapitalo Investimentos

Explanation of Responses:

1. BDRs are certificates representing Common Shares of the Issuer. Three BDRs represent one Common Share of the Issuer.

2. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $83.60 to $84.29, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the ranges set forth in footnote (2) to this Form 4. The source of funds for the purchase was the sale of an equivalent number of BDRs, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table II below.

3. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $85.38 to $85.50, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the ranges set forth in footnote (3) to this Form 4. The source of funds for the purchase was the sale of an equivalent number of BDRs, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table II below.

4. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $27.87 to $28.32, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of BDRs sold at each separate price within the ranges set forth in footnote (4) to this Form 4. The weighted average price, R$144.40 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of September 15, 2026. The proceeds of the sale were used to purchase an equivalent number of common shares, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table I above.

Remarks:

Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of its pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

	Bruno Sousa Mauad	09/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR