Kapitalo-managed entities tied to Aura Minerals (AUGO) director add 280,160 BDRs

Q: What insider transaction did Aura Minerals (AUGO) disclose in this Form 4?

Aura Minerals reported that entities managed by Kapitalo Investimentos Ltda. indirectly associated with director Bruno Sousa Mauad bought 280,160 Brazilian Depositary Receipts on June 11, 2026 , representing additional exposure to Aura Minerals’ common shares.

Q: How many Aura Minerals (AUGO) BDRs were acquired and at what price?

Entities managed by Kapitalo acquired 280,160 Brazilian Depositary Receipts at a weighted average price of 19.22 per BDR . A footnote notes multiple trades between 19.10 and 19.41, with the reported figure reflecting the overall weighted average price.

Q: What do Aura Minerals (AUGO) Brazilian Depositary Receipts represent?

Aura Minerals’ Brazilian Depositary Receipts (BDRs) are certificates representing its Common Shares, no par value . According to the filing, three BDRs represent one common share , so BDR holdings effectively track ownership in the underlying Aura Minerals equity.

Q: Who effectively owns the Aura Minerals (AUGO) securities in this Form 4?

The securities are held by entities managed by Kapitalo Investimentos Ltda. . They may be deemed indirectly beneficially owned by director Bruno Sousa Mauad , who is identified as a partner of Kapitalo, reflecting indirect rather than direct personal ownership.

Q: Why are there ‘other’ transactions and securities lending in the Aura Minerals (AUGO) filing?

Certain Kapitalo-managed clients entered securities lending agreements , temporarily transferring title of Aura Minerals securities to a counterparty. These arrangements can end at any time, so clients may still be deemed to have beneficial ownership , leading to Form 4 entries coded as other acquisitions or dispositions.

Filing Impact

(Very High)

Filing Sentiment

(Very Positive)

Form Type

Rhea-AI Filing Summary

Aura Minerals Inc. director Bruno Sousa Mauad reported indirect purchases of Brazilian Depositary Receipts (BDRs) linked to the company. Entities managed by Kapitalo Investimentos Ltda. acquired 280,160 BDRs on June 11, 2026 at a weighted average price of 19.22 per BDR. Each BDR represents one-third of a common share, so these BDRs correspond to about 93,386.67 common shares. Following these trades and related restructuring transactions, indirect holdings reported in this filing total 16,243,073 BDRs. Some clients managed by Kapitalo also entered securities lending agreements transferring title temporarily to counterparties while retaining beneficial ownership, which is why several transactions are coded as other acquisitions or dispositions.

Insider Trade Summary

Net Buyer: 280,160 shares ($5,384,675)

Net Buy 5 txns

Insider Sousa Mauad Bruno

Role null

Bought 280,160 shs ($5.38M)

Type	Security	Shares	Price	Value
Purchase	Brazilian Depositary Receipts	280,160	$19.22	$5.38M
Other	Brazilian Depositary Receipts	3,000	$0.00	--
Other	Securities Lending Agreement	3,000	$0.00	--
Other	Brazilian Depositary Receipts	29,573	$0.00	--
Other	Securities Lending Agreement	29,573	$0.00	--

Holdings After Transaction: Brazilian Depositary Receipts — 16,243,073 shares (Indirect, (3)); Securities Lending Agreement — 16,243,073 shares (Indirect, (3))

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 shares were acquired in multiple transactions, at prices ranging from 19.10 USD to 19.41 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 acquired at each separate price within the ranges set forth in footnote (2) to this Form 4. The price was converted to USD based on Brazil's Central Bank exchange rate. 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. Certain clients managed by Kapitalo entered into securities lending agreements whereby title to the securities of the Issuer transferred to a counterparty for the duration of the arrangement. Notwithstanding the foregoing transactions, such clients may be deemed to continues to have beneficial ownership over the securities reported herein as the arragngement may be discontinued at any time by the clients.

Key Figures

BDRs purchased: 280,160 BDRs Purchase price per BDR: $19.22 per BDR Underlying common shares: 93,386.67 shares +3 more

6 metrics

BDRs purchased 280,160 BDRs Open-market purchase on June 11, 2026

Purchase price per BDR $19.22 per BDR Weighted average price for June 11, 2026 trades

Underlying common shares 93,386.67 shares Three BDRs represent one common share

Indirect BDR holdings after trades 16,243,073 BDRs Total shares following transaction in Form 4

Restructuring BDRs 65,146 BDRs Transactions coded as other acquisitions or dispositions

BDR to share ratio 3 BDRs = 1 common share Defined in footnote on Brazilian Depositary Receipts

Key Terms

Brazilian Depositary Receipts, weighted average price, securities lending agreements, beneficial ownership, +1 more

5 terms

Brazilian Depositary Receipts financial

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

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 acquired"

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.

securities lending agreements financial

"Certain clients managed by Kapitalo entered into securities lending agreements"

beneficial ownership financial

"such clients may be deemed to continues to have beneficial ownership"

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.

open-market purchase financial

"transaction_action": "open-market purchase""

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 →

06/12/2026 - 04:16 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)
06/10/2026

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 Depositary Receipts	⁽¹⁾	06/11/2026		P		280,160		⁽¹⁾	⁽¹⁾	Common Shares, no par value	93,386.67	$19.22⁽²⁾	16,243,073	I	(3)⁽³⁾
Brazilian Depositary Receipts	⁽¹⁾	06/10/2026		J			29,573	⁽¹⁾	⁽¹⁾	Common Shares, no par value	9,857.67	$0⁽¹⁾	16,213,500	I	(3)⁽³⁾
Securities Lending Agreement	⁽⁴⁾	06/10/2026		J		29,573		⁽⁴⁾	⁽⁴⁾	Common Shares, no par value	9,857.67	$0⁽⁴⁾	16,243,073	I	(3)⁽³⁾
Brazilian Depositary Receipts	⁽¹⁾	06/11/2026		J			3,000	⁽¹⁾	⁽¹⁾	Common Shares, no par value	1,000	$0⁽¹⁾	16,240,073	I	(3)⁽³⁾
Securities Lending Agreement	⁽⁴⁾	06/11/2026		J		3,000		⁽⁴⁾	⁽⁴⁾	Common Shares, no par value	1,000	$0⁽⁴⁾	16,243,073	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 acquired in multiple transactions, at prices ranging from 19.10 USD to 19.41 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 acquired at each separate price within the ranges set forth in footnote (2) to this Form 4. The price was converted to USD based on Brazil's Central Bank exchange rate.

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. Certain clients managed by Kapitalo entered into securities lending agreements whereby title to the securities of the Issuer transferred to a counterparty for the duration of the arrangement. Notwithstanding the foregoing transactions, such clients may be deemed to continues to have beneficial ownership over the securities reported herein as the arragngement may be discontinued at any time by the clients.

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	06/12/2026
	** 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) disclose in this Form 4?

Aura Minerals reported that entities managed by Kapitalo Investimentos Ltda. indirectly associated with director Bruno Sousa Mauad bought 280,160 Brazilian Depositary Receipts on June 11, 2026, representing additional exposure to Aura Minerals’ common shares.

How many Aura Minerals (AUGO) BDRs were acquired and at what price?

Entities managed by Kapitalo acquired 280,160 Brazilian Depositary Receipts at a weighted average price of 19.22 per BDR. A footnote notes multiple trades between 19.10 and 19.41, with the reported figure reflecting the overall weighted average price.

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

Aura Minerals’ Brazilian Depositary Receipts (BDRs) are certificates representing its Common Shares, no par value. According to the filing, three BDRs represent one common share, so BDR holdings effectively track ownership in the underlying Aura Minerals equity.

Who effectively owns the Aura Minerals (AUGO) securities in this Form 4?

The securities are held by entities managed by Kapitalo Investimentos Ltda.. They may be deemed indirectly beneficially owned by director Bruno Sousa Mauad, who is identified as a partner of Kapitalo, reflecting indirect rather than direct personal ownership.

Why are there ‘other’ transactions and securities lending in the Aura Minerals (AUGO) filing?

Certain Kapitalo-managed clients entered securities lending agreements, temporarily transferring title of Aura Minerals securities to a counterparty. These arrangements can end at any time, so clients may still be deemed to have beneficial ownership, leading to Form 4 entries coded as other acquisitions or dispositions.

What is the total Aura Minerals (AUGO) BDR position after these transactions?

After the reported transactions, indirect holdings in Aura Minerals Brazilian Depositary Receipts shown in the Form 4 are 16,243,073 BDRs. This figure reflects the position associated with the reporting structure following the June 2026 trades and restructuring movements.