Aura Minerals (AUGO) director-linked funds buy shares and BDRs

Rhea-AI Filing Summary

Aura Minerals Inc. reported that entities managed by Kapitalo Investimentos Ltda., which may be deemed indirectly beneficially owned by director Bruno Sousa Mauad, made open-market purchases of the company’s securities. The entities bought 2,800 Common Shares at about $64.95 per share and 10,000 Brazilian Depositary Receipts (BDRs) at about $22.35 per BDR. Three BDRs represent one Common Share, so the BDR purchase corresponds to 3,333.33 underlying Common Shares. Following these transactions, the entities held 437,765 Common Shares and 15,969,222 BDRs indirectly linked to Mauad.

Insider Trade Summary

Net Buyer: 12,800 shares ($405,360)

Net Buy 2 txns

Insider Sousa Mauad Bruno

Role null

Bought 12,800 shs ($405K)

Type	Security	Shares	Price	Value
Purchase	Common Shares no par value	2,800	$64.95	$182K
Purchase	Brazilian Depository Receipts	10,000	$22.35	$224K

Holdings After Transaction: Common Shares no par value — 437,765 shares (Indirect, (3)); Brazilian Depository Receipts — 15,969,222 shares (Indirect, (3))

Footnotes (1)

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 shares were sold in multiple transactions, however all of then were sold for about 22.35 USD.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 sold at each separate price within the ranges set forth in footnote (2) to this Form 4; The securities are owned directly by entities managed by Kapitalo Investimentos Ltda. ("Kapitalo") and may be deemed to be indirectly beneficially owned by Bruno Sousa Mauad, a partner of Kapitalo The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64,20 to $65,44, 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 sold at each separate price within the ranges set forth in footnote (4) to this Form 4;

Key Figures

Common Shares purchased: 2,800 shares Common Share purchase price: $64.95 per share BDRs purchased: 10,000 BDRs +5 more

8 metrics

Common Shares purchased 2,800 shares Open-market purchase of Common Shares, no par value

Common Share purchase price $64.95 per share Weighted average price for 2,800 Common Shares

BDRs purchased 10,000 BDRs Open-market purchase of Brazilian Depositary Receipts

BDR purchase price $22.35 per BDR Weighted average price for 10,000 BDRs

Common Shares after transaction 437,765 shares Indirect Common Share holdings following purchase

BDRs after transaction 15,969,222 BDRs Indirect BDR holdings following purchase

BDR-to-share ratio 3 BDRs per 1 Common Share Stated relationship between BDRs and Common Shares

Underlying Common Shares for BDR trade 3,333.33 shares Underlying Common Shares for 10,000 BDRs as disclosed

Key Terms

Brazilian Depositary Receipts, weighted average price, indirectly beneficially owned, Common Shares, no par value, +1 more

5 terms

Brazilian Depositary Receipts financial

"Brazilian Depositary Receipts ("BDR") are certificates representing Common Shares, no par value"

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. These shares were sold in multiple transactions"

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.

indirectly beneficially owned financial

"may be deemed to be indirectly beneficially owned by Bruno Sousa Mauad, a partner of Kapitalo"

Common Shares, no par value financial

"Brazilian Depositary Receipts ("BDR") are certificates representing Common Shares, no par value ("Common Shares")"

open-market purchase financial

"transaction_action: "open-market purchase" with transaction code "P""

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

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Form 4 Insider Transactions: What Each Field Means →

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)
06/02/2026

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
Common Shares no par value	06/03/2026		P		2,800	A	$64.95(4)	437,765	I	(3)(3)

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)	06/02/2026		P		10,000		(1)	(1)	Common shares, no par value	3,333.33	$22.35(2)	15,969,222	I	(3)(3)

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 shares were sold in multiple transactions, however all of then were sold for about 22.35 USD.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 sold at each separate price within the ranges set forth in footnote (2) to this Form 4;

3. The securities are owned directly by entities managed by Kapitalo Investimentos Ltda. ("Kapitalo") and may be deemed to be indirectly beneficially owned by Bruno Sousa Mauad, a partner of Kapitalo

4. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64,20 to $65,44, 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 sold at each separate price within the ranges set forth in footnote (4) to this Form 4;

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	06/04/2026
	** 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)

FAQ

What insider transactions were reported for Aura Minerals (AUGO)?

Entities managed by Kapitalo Investimentos bought Aura Minerals securities. They purchased 2,800 Common Shares at about $64.95 each and 10,000 Brazilian Depositary Receipts at about $22.35 each in open-market transactions linked indirectly to director Bruno Sousa Mauad.

Who is associated with the recent Aura Minerals (AUGO) insider purchases?

The transactions are linked to director Bruno Sousa Mauad. The securities are owned directly by entities managed by Kapitalo Investimentos Ltda. and may be deemed to be indirectly beneficially owned by Mauad, who is identified as a partner of Kapitalo.

How many Aura Minerals (AUGO) shares and BDRs were bought in this Form 4?

The filing shows two purchases. Entities bought 2,800 Common Shares, no par value, and 10,000 Brazilian Depositary Receipts, each representing exposure to Aura Minerals through certificates backed by Common Shares under a defined ratio structure.

What prices were paid in the Aura Minerals (AUGO) insider transactions?

The reported prices are weighted averages. Common Shares were purchased at about $64.95 per share. Brazilian Depositary Receipts were purchased at about $22.35 each, based on multiple transactions aggregated into the disclosed weighted average prices.

How many Aura Minerals (AUGO) securities were held after these purchases?

The entities increased their indirect holdings. After the Common Share purchase, they held 437,765 Common Shares. Following the BDR transactions, they held 15,969,222 Brazilian Depositary Receipts, all indirectly associated with director Bruno Sousa Mauad through Kapitalo-managed entities.

What is the relationship between Aura Minerals (AUGO) BDRs and Common Shares?

Each BDR represents a fraction of a Common Share. The filing states that three Brazilian Depositary Receipts represent one Common Share of Aura Minerals, defining how BDR positions translate into underlying Common Share exposure for investors.