Sell4

Aura Minerals Inc.

AUGO

Total Value

$32.4M

Net $10.8M sold

Filing Date

Aug 24, 2026

1 transaction

Sales

$10.8M

1 transaction

Trade Summary

On Aug 20, 2026, Sousa Mauad Bruno, Director, sold $32.4M of Aura Minerals Inc. (AUGO) across 1 transaction. The filing covers Common Shares and reflects net selling of $10.8M. Reported prices ranged from $86.00 to $86.57. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Price at the Time of the Trade

AUGO daily price with the insider's sale marked at $86.00.

Sold in the upper half of the 6-month range · the stock trades 3% higher today.

Price data is delayed and provided for context only — not investment advice.

Insider Information

Name: Sousa Mauad Bruno
Role: Director
Location: COCONUT GROVE, FL

Filing Details

Filing Date: Aug 24, 2026
Transaction Date: Aug 20, 2026
Accession Number: 0002117905-26-000020
Form Type: 4
Net Trading Amount: -$10.8M

Non-Derivative Transactions

Date	Security	Shares	Price	Type	Value
Aug 20, 2026	Common Shares	125,000	$86.00	Sale	$10.8M
Aug 20, 2026	Common Shares	250,000	$86.57	C	$21.6M

Derivative Transactions

Date	Security	Shares	Exercise Price	Type	Value
Aug 20, 2026	AUGO derivative	39,533	—	Sale	—
Aug 20, 2026	AUGO derivative	75,084	—	Sale	—
Aug 20, 2026	AUGO derivative	750,000	—	C	—

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Footnotes

(F1)The shares were acquired through the exchange of Brazilian Depositary Receipts ("BDRs") into Common Shares, no par value ("Common Shares"), of the Issuer.
(F2)BDRs are certificates representing Common Shares of the Issuer. Three BDRs represent one Common Share of the Issuer.
(F3)The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $27.88 to $28.83, 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 (3) to this Form 4. The weighted average price, R$146,43 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of August 20, 2026.
(F4)The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $28.84 to $29.30, 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$150.25 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of August 20, 2026.
(F5)These BDRs were disposed through the exchange of BDRs into Common Shares of the Issuer.
(F6)The stated price in USD of $28.93 has been converted from Brazilian Reais to USD using the Banco Central do Brasil's conversion rate as of August 20, 2026.

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

33133

(City)

(State)

(Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
08/20/2026

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

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

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

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	08/20/2026		S		125,000	D	$86	43,765	I	By Kapitalo Investimentos
Common Shares	08/20/2026		C		250,000⁽¹⁾	A	$86.57	293,765	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 Depository Receipts	⁽²⁾	08/20/2026		S			39,533	⁽²⁾	⁽²⁾	Common shares, no par value	13,177.67	$28.32⁽³⁾	15,595,256	I	By Kapitalo Investimentos
Brazilian Depository Receipts	⁽²⁾	08/20/2026		S			75,084	⁽²⁾	⁽²⁾	Common shares, no par value	25,028	$29.06⁽⁴⁾	15,520,172	I	By Kapitalo Investimentos
Brazilian Depository Receipts	⁽²⁾	08/20/2026		C		750,000⁽⁵⁾		⁽²⁾	⁽²⁾	Common shares, no par value	250,000	$28.93⁽⁶⁾	14,770,172	I	By Kapitalo Investimentos

Explanation of Responses:

1. The shares were acquired through the exchange of Brazilian Depositary Receipts ("BDRs") into Common Shares, no par value ("Common Shares"), of the Issuer.

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

3. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $27.88 to $28.83, 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 (3) to this Form 4. The weighted average price, R$146,43 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of August 20, 2026.

4. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $28.84 to $29.30, 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$150.25 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of August 20, 2026.

5. These BDRs were disposed through the exchange of BDRs into Common Shares of the Issuer.

6. The stated price in USD of $28.93 has been converted from Brazilian Reais to USD using the Banco Central do Brasil's conversion rate as of August 20, 2026.

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	08/24/2026
	** 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 as rendered by the SEC from accession 0002117905-26-000020.

Aura Minerals Inc.

Trade Summary

Price at the Time of the Trade

Company Information

Insider Information

Filing Details

Non-Derivative Transactions

Derivative Transactions

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Footnotes

SEC Form 4

SEC Filing

SEC Form 4

Price at the Time of the Trade