How many Aura Minerals-related securities were affected in this Form 4?

The transaction summary shows restructuring activity involving 716,752 securities across four derivative transactions. Individual entries list 228,469 and 129,907 units tied to Brazilian Depositary Receipts and securities lending agreements on June 12 and June 15, 2026, respectively, all at a stated price of zero.

Aura Minerals (AUGO) director reports BDR and lending agreement restructuring

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Aura Minerals Inc. director Bruno Sousa Mauad reported a series of indirect restructuring transactions involving Brazilian Depositary Receipts (BDRs) and related securities lending agreements managed by Kapitalo Investimentos Ltda.

On June 12 and June 15, 2026, entities managed by Kapitalo entered into or adjusted securities lending arrangements covering BDRs and securities lending agreements totaling 716,752 units across four derivative transactions coded "J" (other acquisition or disposition). Each BDR represents exposure to Aura Minerals’ common shares, with three BDRs corresponding to one common share.

Following these transactions, indirect holdings reported in the filing show up to 16,243,073 Aura Minerals common shares (or equivalent) associated with these entities. The footnotes state that certain clients managed by Kapitalo remain the beneficial owners and can discontinue the lending arrangements at any time.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Sousa Mauad Bruno

Role null

Type	Security	Shares	Price	Value
Other	Brazilian Depository Receipts	129,907	$0.00	--
Other	Securities Lending Agreement	129,907	$0.00	--
Other	Brazilian Depository Receipts	228,469	$0.00	--
Other	Securities Lending Agreement	228,469	$0.00	--

Holdings After Transaction: Brazilian Depository Receipts — 16,113,166 shares (Indirect, (2)); Securities Lending Agreement — 16,243,073 shares (Indirect, (2))

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 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

Restructuring securities total: 716,752 units June 12 securities per leg: 228,469 units June 15 securities per leg: 129,907 units +3 more

6 metrics

Restructuring securities total 716,752 units RestructuringShares across four J-code derivative transactions

June 12 securities per leg 228,469 units Securities Lending Agreement and BDR entries on June 12, 2026

June 15 securities per leg 129,907 units Securities Lending Agreement and BDR entries on June 15, 2026

Post-transaction indirect holdings 16,243,073 shares Total shares following transaction in one entry

BDR to common share ratio 3 BDRs = 1 common share Relationship between Brazilian Depositary Receipts and common shares

Other transaction count 4 transactions All coded J as other acquisition or disposition

Key Terms

Brazilian Depositary Receipts, Securities lending agreements, beneficial ownership, derivative transactions

4 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.

Securities lending agreements financial

"clients managed by Kapitalo entered into securities lending agreements whereby title to the securities"

beneficial ownership financial

"such clients may be deemed to continues to have beneficial ownership over the securities reported herein"

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.

derivative transactions financial

"derivativeTransactionCount": 4"

Derivative transactions are contracts whose value depends on the price or performance of something else—like stocks, bonds, currencies, interest rates or commodities. Think of them as insurance or bets about a future price: investors use them to protect against losses, lock in prices, or try to amplify returns, but they can also magnify losses, create cash demands and expose a firm to the risk that the other party won’t meet its obligation, so they can materially affect a company’s financial stability and volatility.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/16/2026 - 08:35 AM Accepted by SEC EDGAR 06/16/2026 - 08:34 AM

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)
06/12/2026

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⁾	06/12/2026		J			228,469	⁽¹⁾	⁽¹⁾	Common shares, no par value	76,156.33	$0⁽¹⁾	16,014,604	I	(2)⁽²⁾
Securities Lending Agreement	⁽³⁾	06/12/2026		J		228,469		⁽³⁾	⁽³⁾	Common shares, no par value	76,156.33	$0⁽³⁾	16,243,073	I	(2)⁽²⁾
Brazilian Depository Receipts	⁽¹⁾	06/15/2026		J			129,907	⁽¹⁾	⁽¹⁾	Common shares, no par value	43,302.33	$0⁽¹⁾	16,113,166	I	(2)⁽²⁾
Securities Lending Agreement	⁽³⁾	06/15/2026		J		129,907		⁽³⁾	⁽³⁾	Common shares, no par value	43,302.33	$0⁽³⁾	16,243,073	I	(2)⁽²⁾

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 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.

3. 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	06/16/2026
	** 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 did Aura Minerals (AUGO) disclose in this Form 4 filing?

Aura Minerals reported indirect restructuring transactions involving Brazilian Depositary Receipts and securities lending agreements managed by Kapitalo Investimentos. Four derivative transactions coded "J" (other acquisition or disposition) adjusted positions linked to Aura’s common shares without reflecting open-market purchases or sales.

Who is involved in the Aura Minerals (AUGO) Form 4 transactions?

The filing is reported by director Bruno Sousa Mauad, but the securities are owned directly by entities managed by Kapitalo Investimentos. Footnotes state these securities may be deemed indirectly beneficially owned by him through his role as a partner at Kapitalo.

What are Brazilian Depositary Receipts (BDRs) for Aura Minerals (AUGO)?

Brazilian Depositary Receipts are certificates representing Aura Minerals’ common shares with no par value. According to the footnotes, three BDRs represent one Aura Minerals common share, giving Brazilian investors indirect exposure to the company’s equity through local instruments.

Were the Aura Minerals (AUGO) Form 4 transactions open-market buys or sells?

No open-market buys or sells are reported. All four transactions carry code "J" and are described as "other acquisition or disposition" related to securities lending agreements, with a transaction price of zero, indicating structural or custodial changes rather than market trades.

What is the resulting indirect position after these Aura Minerals transactions?

After the June 2026 restructuring transactions, the filing shows up to 16,243,073 Aura Minerals common shares, or equivalents, indirectly held through entities managed by Kapitalo. These figures reflect positions associated with securities lending agreements and BDRs reported in the Form 4 tables.