Aura Minerals director sells 114,417 BDRs

Aura Minerals Inc. (AUGO) director Sousa Mauad Bruno, through indirect holdings "By Kapitalo Investimentos," reported two sales of Brazilian Depository Receipts (BDRs), which each represent one-third of a common share.

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) director Sousa Mauad Bruno, through indirect holdings "By Kapitalo Investimentos," reported two sales of Brazilian Depository Receipts (BDRs), which each represent one-third of a common share. On August 25, 2026, 56,539 BDRs were sold at a weighted average of about $29.89 per BDR, corresponding to 18,846.33 underlying common shares. On August 26, 2026, 114,417 BDRs were sold at a weighted average of about $29.84 per BDR, corresponding to 38,139 underlying common shares. The reporting person disclaims beneficial ownership except to the extent of any pecuniary interest.

Insider Trade Summary

Net Seller: 170,956 shares

Net Sell 2 txns

Insider Sousa Mauad Bruno

Role Director

Sold 170,956 shs ($5.10M)

Type	Security	Shares	Price	Value
Sale	Brazilian Depository Receipts F1, F3	114,417	$29.84	$3.41M
Sale	Brazilian Depository Receipts F1, F2	56,539	$29.89	$1.69M

Holdings After Transaction: Brazilian Depository Receipts — 13,927,243 contracts (Indirect, By Kapitalo Investimentos)

Footnotes (3)

1. F1. BDRs are certificates representing Common Shares of the Issuer. Three BDRs represent one Common Share of the Issuer.
2. F2. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $29.46 to $30.08, 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 (2) to this Form 4. The weighted average price, R$154.25 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 25, 2026.
3. F3. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $29.71 to $29.99, 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$153.66 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 24, 2026.

Key Figures

BDRs sold: 56,539 Brazilian Depository Receipts Weighted average price per BDR: $29.89 per BDR Underlying common shares: 18,846.33 common shares +4 more

7 metrics

BDRs sold 56,539 Brazilian Depository Receipts Indirect sale on August 25, 2026

Weighted average price per BDR $29.89 per BDR Indirect sale on August 25, 2026

Underlying common shares 18,846.33 common shares Represented by 56,539 BDRs sold on August 25, 2026

BDRs sold 114,417 Brazilian Depository Receipts Indirect sale on August 26, 2026

Weighted average price per BDR $29.84 per BDR Indirect sale on August 26, 2026

Underlying common shares 38,139 common shares Represented by 114,417 BDRs sold on August 26, 2026

BDR-to-common-share ratio 3 BDRs = 1 common share Stated relationship between Brazilian Depository Receipts and common shares

Key Terms

Brazilian Depository Receipts, weighted average price, beneficial ownership, pecuniary interest

4 terms

Brazilian Depository Receipts financial

"The security title is listed as "Brazilian Depository Receipts""

Brazilian Depositary Receipts are financial certificates issued in Brazil that represent ownership of shares in companies listed outside Brazil, allowing local investors to buy and sell foreign stocks without using a foreign exchange. They matter because they let investors easily access international companies while trading in local currency and under domestic rules, exposing portfolios to foreign business performance and currency moves much like buying a locally labeled version of a foreign product.

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.

beneficial ownership regulatory

"disclaims beneficial ownership in the securities reported"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pecuniary interest financial

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

FAQ

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

What insider transactions were reported for AUGO in this Form 4?

The filing reports two indirect sales of Brazilian Depository Receipts by director Sousa Mauad Bruno, executed through an entity described as "By Kapitalo Investimentos" on August 25 and 26, 2026.

How many Aura Minerals (AUGO) BDRs were sold on August 25, 2026?

On August 25, 2026, the reporting structure associated with Aura Minerals sold 56,539 Brazilian Depository Receipts at a weighted average price of about $29.89 per BDR, representing 18,846.33 underlying common shares.

How many Aura Minerals (AUGO) BDRs were sold on August 26, 2026?

On August 26, 2026, the reporting structure associated with Aura Minerals sold 114,417 Brazilian Depository Receipts at a weighted average price of about $29.84 per BDR, representing 38,139 underlying common shares.

What do Aura Minerals (AUGO) BDRs represent in common shares?

Each Aura Minerals Brazilian Depository Receipt represents one-third of a common share. The filing states that three BDRs represent one common share of Aura Minerals Inc.

Were the Aura Minerals (AUGO) insider sales direct or indirect holdings?

The BDR sales were reported as indirectly owned, with the nature of ownership described as "By Kapitalo Investimentos". The reporting person also disclaims beneficial ownership except to the extent of any pecuniary interest.

Were the Aura Minerals (AUGO) BDR prices from single trades or averages?

The reported prices are weighted average prices. The BDRs on each date were sold in multiple transactions within specified price ranges, and the weighted average prices were calculated and also referenced in Brazilian reais and converted to U.S. dollars.

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

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Available on EDGAR 08/27/2026 - 05:18 PM EDT Accepted by SEC EDGAR 08/27/2026 - 05:18 PM EDT Learn about SEC filing dates

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)
08/25/2026

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)
			Code	V	Amount	(A) or (D)	Price

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Brazilian Depository Receipts	(1)	08/25/2026		S			56,539	(1)	(1)	Common shares, no par value	18,846.33	$29.89(2)	14,041,660	I	By Kapitalo Investimentos
Brazilian Depository Receipts	(1)	08/26/2026		S			114,417	(1)	(1)	Common shares, no par value	38,139	$29.84(3)	13,927,243	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 BDRs were sold in multiple transactions at prices ranging from $29.46 to $30.08, 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 (2) to this Form 4. The weighted average price, R$154.25 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 25, 2026.

3. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $29.71 to $29.99, 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$153.66 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 24, 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	08/27/2026
	** 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)