Aura Minerals (AUGO) insider adds to 448,765-share stake

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) insider Bruno Sousa Mauad, through an entity, reported an indirect purchase of 11,000 Common Shares on 2026-08-17. The shares were bought at a weighted average price of $78.93 per share in multiple trades between $78.26 and $79.32. Following this transaction, the reporting structure associated with him held 448,765 Common Shares indirectly, described as held "By Kapitalo Investimentos." The filing notes a general disclaimer of beneficial ownership except to the extent of any pecuniary interest.

Insider Trade Summary

Net Buyer: 11,000 shares

Net Buy 1 txn

Insider Sousa Mauad Bruno

Role Director

Bought 11,000 shs ($868K)

Type	Security	Shares	Price	Value
Purchase	Common Shares F1	11,000	$78.93	$868K

Holdings After Transaction: Common Shares — 448,765 shares (Indirect, By Kapitalo Investimentos)

Footnotes (1)

1. F1. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $78.26 to $79.32, 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 (1) to this Form 4;

Key Figures

Shares purchased: 11,000 shares Weighted average purchase price: $78.93 per share Purchase price range: $78.26 to $79.32 per share +1 more

4 metrics

Shares purchased 11,000 shares Common Shares purchased on 2026-08-17

Weighted average purchase price $78.93 per share Common Shares bought in multiple transactions

Purchase price range $78.26 to $79.32 per share Range of prices for the multiple purchase transactions

Shares held after transaction 448,765 shares Indirectly held Common Shares following the reported purchase

Key Terms

weighted average price, indirect, pecuniary interest, beneficial ownership

4 terms

weighted average price financial

"The price reported is a weighted average price."

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.

indirect financial

"total_shares_following_transaction ... ownership_type" : "indirect""

pecuniary interest financial

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

beneficial ownership financial

"disclaims beneficial ownership in the securities reported"

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.

FAQ

What insider transaction did AUGO report for Bruno Sousa Mauad on August 17, 2026?

Bruno Sousa Mauad reported an indirect purchase of 11,000 Aura Minerals (AUGO) Common Shares on 2026-08-17. The shares are held through an entity described as "By Kapitalo Investimentos", and are reported with indirect ownership status.

At what prices were the 11,000 Aura Minerals (AUGO) shares bought in this Form 4?

The 11,000 Aura Minerals (AUGO) shares were bought at a weighted average price of $78.93 per share. Individual trades occurred in multiple transactions at prices ranging from $78.26 to $79.32, according to the attached footnote.

How many Aura Minerals (AUGO) shares are reported as held after this insider transaction?

After the reported transaction, the filing shows 448,765 Aura Minerals (AUGO) Common Shares held indirectly. These shares are reported as held "By Kapitalo Investimentos", reflecting indirect ownership rather than direct personal holdings by the reporting person.

Is the Bruno Sousa Mauad Form 4 for Aura Minerals (AUGO) under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as affirmative, and there is no footnote stating the trade was made pursuant to a Rule 10b5-1 plan. The transaction is reported simply as an open-market or private purchase.

How is ownership characterized for the reported Aura Minerals (AUGO) shares in this Form 4?

The 11,000 purchased shares and the post-transaction total are reported as indirect ownership, with the nature of ownership noted as "By Kapitalo Investimentos". The reporting person also disclaims beneficial ownership except to the extent of any pecuniary interest.

What general ownership disclaimer is included in the Aura Minerals (AUGO) Form 4?

The Form 4 states each reporting person disclaims beneficial ownership of the reported securities, except to the extent of any pecuniary interest. It also notes that the filing should not be deemed an admission of beneficial ownership for Section 16 or any other purpose.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/18/2026 - 05:51 PM Accepted by SEC EDGAR 08/18/2026 - 05:51 PM Learn about SEC filing dates

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)
08/17/2026

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	08/17/2026		P		11,000	A	$78.93(1)	448,765	I	By Kapitalo Investimentos

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

Explanation of Responses:

1. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $78.26 to $79.32, 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 (1) 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	08/18/2026
	** 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)