Aura Minerals director sells 5,527 swap units

Aura Minerals Inc. (AUGO) director Bruno Sousa Mauad reported an indirect sale of a cash-settled total return swap referencing the company’s common shares on September 4, 2026.

Available on EDGAR 09/08/2026 - 02:42 PM EDT Accepted by SEC EDGAR 09/08/2026 - 02:41 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) director Bruno Sousa Mauad reported an indirect sale of a cash-settled total return swap referencing the company’s common shares on September 4, 2026. An affiliate, Kapitalo Investimentos, settled 5,527 swap units, reducing its position in this derivative instrument to 384,171 units tied to Aura Minerals stock.

Insider Trade Summary

Net Seller: 5,527 shares

Net Sell 1 txn

Insider Sousa Mauad Bruno

Role Director

Sold 5,527 shs ($154K)

Type	Security	Shares	Price	Value
Sale	Cash-Settled Total Return Swap F1, F2	5,527	$27.8228	$154K

Holdings After Transaction: Cash-Settled Total Return Swap — 384,171 contracts (Indirect, By Kapitalo Investimentos)

Holdings Before and After: Cash-Settled Total Return Swap, 389,698 to 384,171 contracts (Indirect, By Kapitalo Investimentos)

Footnotes (2)

1. F1. BDRs are certificates representing Common Shares of the Issuer. Three BDRs represent one Common Share of the Issuer.
2. F2. Kapitalo settled their position in a certain cash-settled total return swap agreement pursuant to its terms at a settlement price of $27.82 using the Banco Central do Brasil's conversion rate as of September 4, 2026.

Key Figures

Derivative units sold: 5,527 units Settlement price: $27.82 per reference share Underlying shares in transaction: 1,842.33 underlying common shares +1 more

4 metrics

Derivative units sold 5,527 units Cash-settled total return swap sale on September 4, 2026

Settlement price $27.82 per reference share Swap settled using Banco Central do Brasil conversion rate on September 4, 2026

Underlying shares in transaction 1,842.33 underlying common shares Common shares, no par value, referenced by the swap sold

Derivative units remaining 384,171 units Indirect position in cash-settled total return swap after the reported sale

Key Terms

Cash-Settled Total Return Swap, BDRs, pecuniary interest, Banco Central do Brasil

4 terms

Cash-Settled Total Return Swap financial

"indirect sale of a cash-settled total return swap referencing the company’s common shares"

BDRs financial

"BDRs are certificates representing Common Shares of the Issuer."

BDRs are securities traded in one country that represent shares of companies based elsewhere, allowing local investors to buy exposure to foreign stocks without directly purchasing them abroad. Think of them as a local storefront selling products made in another country: they broaden investment choices and diversification but can carry extra layers of risk from currency swings, different rules, and potential limits on shareholder rights, all of which matter for portfolio decisions.

pecuniary interest financial

"disclaims beneficial ownership ... except to the extent of its pecuniary interest"

Banco Central do Brasil financial

"using the Banco Central do Brasil's conversion rate as of September 4, 2026"

FAQ

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

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

The filing reports an indirect sale of 5,527 units of a cash-settled total return swap linked to Aura Minerals common shares on September 4, 2026.

Who is the reporting person in the Aura Minerals (AUGO) Form 4 and what is their role?

The reporting person is Bruno Sousa Mauad, identified as a director of Aura Minerals Inc. The reported position is held indirectly through an entity, Kapitalo Investimentos.

How many derivative units linked to Aura Minerals (AUGO) remained after the transaction?

After the September 4, 2026 transaction, the filing states that 384,171 units of the cash-settled total return swap remained indirectly held through Kapitalo Investimentos.

What price was used to settle the Aura Minerals (AUGO) total return swap position?

A footnote states that Kapitalo settled the swap position at a settlement price of $27.82 per reference share, using the Banco Central do Brasil’s conversion rate as of September 4, 2026.

How many Aura Minerals (AUGO) underlying shares does the reported swap trade reference?

The reported swap transaction references 1,842.33 underlying common shares of Aura Minerals, described as common shares, no par value.

Was the Aura Minerals (AUGO) Form 4 transaction executed under a Rule 10b5-1 plan?

The Form 4 indicates that no Rule 10b5-1 trading plan is affirmed for this transaction, as the related checkbox is not marked and no footnote describes a trading plan.

What does the Form 4 say about Bruno Sousa Mauad’s beneficial ownership of Aura Minerals (AUGO) securities?

The filing states that each reporting person disclaims beneficial ownership of the reported securities except to the extent of any pecuniary interest, and that the report is not an admission of beneficial ownership for any purpose.

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

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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)
09/04/2026

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
Cash-Settled Total Return Swap	(1)	09/04/2026		S/K			5,527	(1)	(1)	Common shares, no par value	1,842.33	$27.8228(2)	384,171	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. Kapitalo settled their position in a certain cash-settled total return swap agreement pursuant to its terms at a settlement price of $27.82 using the Banco Central do Brasil's conversion rate as of September 4, 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	09/08/2026
	** 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)