Aura Minerals (AUGO) director-linked entity sells 26,573 BDRs on June 30

Filing Impact

(High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Aura Minerals Inc. director Sousa Mauad Bruno, through indirect holdings "by Kapitalo Investimentos," reported an open-market sale of 26,573 Brazilian Depository Receipts (BDRs) on June 30, 2026 at a weighted average price of $20.79 per BDR. Each BDR represents one-third of a common share, so the transaction corresponds to 8,857.67 underlying common shares. Following the sale, the indirect position shown in this filing is 15,673,473 BDRs, indicating this was a small reduction relative to the overall disclosed holdings.

Insider Trade Summary

Net Seller: 26,573 shares ($552,453)

Net Sell 1 txn

Insider Sousa Mauad Bruno

Role null

Sold 26,573 shs ($552K)

Type	Security	Shares	Price	Value
Sale	Brazilian Depository Receipts	26,573	$20.79	$552K

Holdings After Transaction: Brazilian Depository Receipts — 15,673,473 shares (Indirect, By Kapitalo Investimentos)

Footnotes (1)

Brazilian Depositary Receipts ("BDR") are certificates representing Common Shares, no par value ("Common Shares") of the Issuer. Three BDRs represent one Common Share of the Issuer. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $20,58 to $20,95, 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$107,62 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of June 30, 2026.

Key Figures

BDRs sold: 26,573 BDRs Weighted average sale price: $20.79 per BDR Price range: $20.58–$20.95 per BDR +3 more

6 metrics

BDRs sold 26,573 BDRs Open-market sale on June 30, 2026

Weighted average sale price $20.79 per BDR Open-market sale on June 30, 2026

Price range $20.58–$20.95 per BDR Multiple transactions within this range

Underlying common shares 8,857.67 shares Three BDRs represent one common share

Remaining BDR holdings 15,673,473 BDRs Indirect holdings after transaction

BRL weighted price R$107.62 per BDR Converted using Banco Central do Brasil rate on June 30, 2026

Key Terms

Brazilian Depository Receipts, weighted average price, underlying security, Banco Central do Brasil

4 terms

Brazilian Depository Receipts financial

"Brazilian Depositary Receipts ("BDR") are certificates representing Common Shares"

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. These BDRs were sold"

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.

underlying security financial

"underlying_security_title": "Common shares, no par value"

Banco Central do Brasil financial

"converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate"

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/01/2026 - 04:59 PM Accepted by SEC EDGAR 07/01/2026 - 04:59 PM

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)
06/30/2026

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)

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	⁽¹⁾	06/30/2026		S			26,573	⁽¹⁾	⁽¹⁾	Common shares, no par value	8,857.67	$20.79⁽²⁾	15,673,473	I	By Kapitalo Investimentos

Explanation of Responses:

1. Brazilian Depositary Receipts ("BDR") are certificates representing Common Shares, no par value ("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 $20,58 to $20,95, 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$107,62 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of June 30, 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	07/01/2026
	** 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

FAQ

What insider transaction did Aura Minerals (AUGO) report in this Form 4?

Aura Minerals reported that director Sousa Mauad Bruno, via Kapitalo Investimentos, sold 26,573 Brazilian Depository Receipts in an open-market transaction. These receipts represent 8,857.67 underlying common shares based on a three-to-one BDR-to-share ratio disclosed in the filing.

At what price were the Aura Minerals (AUGO) BDRs sold in this transaction?

The BDRs were sold at a weighted average price of $20.79 per receipt. The filing notes multiple trades occurred within a price range of $20.58 to $20.95, with the average price converted from 107.62 Brazilian reais using the Banco Central do Brasil’s rate.

How large is the remaining BDR position after this Aura Minerals (AUGO) sale?

After the reported sale, the filing shows 15,673,473 Brazilian Depository Receipts held indirectly. This remaining balance indicates the 26,573 BDRs sold represent a small portion of the total disclosed indirect holdings associated with the reporting person.

Who actually holds the Aura Minerals (AUGO) BDRs involved in the Form 4 transaction?

The BDRs are held indirectly "by Kapitalo Investimentos," as stated in the ownership description. Sousa Mauad Bruno is the reporting person, but the filing attributes ownership to this entity, meaning the trades are executed at the entity level rather than personally.

What do Aura Minerals (AUGO) Brazilian Depository Receipts represent?

The Brazilian Depository Receipts represent common shares of Aura Minerals with no par value. The filing specifies that three BDRs equal one common share, so holders can translate BDR quantities into underlying share exposure using this three-to-one ratio.