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Aura Minerals director sells 68,856 shares, BDRs

A director of Aura Minerals Inc. reported indirect open-market sales of Brazilian Depositary Receipts and common shares, with all positions held through Kapitalo Investimentos.

(Very High)
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) reported that director Bruno Sousa Mauad, through indirect holdings "by Kapitalo Investimentos," sold Brazilian Depositary Receipts and common shares on September 9, 2026. The sales totaled 68,856 securities across both instruments, and no Rule 10b5-1 trading plan is reported.

The transactions included sales of Brazilian Depositary Receipts, which represent common shares at a ratio of three BDRs per one common share, and separate sales of common shares. All holdings are reported as indirect, and the reporting person disclaims beneficial ownership except to the extent of any pecuniary interest.

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Insider Sousa Mauad Bruno
Role Director
Sold 68,856 shs ($5.09M)
Type Security Shares Price Value
Sale Brazilian Depositary Receipts F2, F3 15,229 $29.4386 $448K
Sale Common Shares F1 53,627 $86.605 $4.64M
Holdings After Transaction: Brazilian Depositary Receipts — 13,292,128 contracts (Indirect, By Kapitalo Investimentos); Common Shares — 125,031 shares (Indirect, By Kapitalo Investimentos)
Footnotes (3)
  1. F1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.60 to $86.64, 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.
  2. F2. BDRs are certificates representing Common Shares of the Issuer. Three BDRs represent one Common Share of the Issuer.
  3. F3. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $29.23 to $29.61, 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 BDRs sold at each separate price within the ranges set forth in footnote (3) to this Form 4. The weighted average price, R$150.08 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of September 9, 2026.
Common shares sold 53,627 shares Indirect sale on September 9, 2026, by Kapitalo Investimentos
BDRs sold 15,229 BDRs Indirect sale on September 9, 2026, by Kapitalo Investimentos
Total securities sold 68,856 units Sum of common shares and BDRs sold on September 9, 2026
Weighted average price – common shares $86.605 per share Common shares sold in multiple trades between $86.60 and $86.64
Weighted average price – BDRs (USD) $29.4386 per BDR Based on BRL 150.08 per BDR converted using Banco Central do Brasil rate
Indirect holdings after sale – common shares 125,031 shares Common shares held indirectly after September 9, 2026 transaction
Indirect holdings after sale – BDRs 13,292,128 BDRs BDRs held indirectly after September 9, 2026 transaction
BDR-to-share ratio 3 BDRs per 1 common share Each three BDRs represent one Aura Minerals common share
Brazilian Depositary Receipts financial
"BDRs are certificates representing Common Shares of the Issuer."
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."
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.
pecuniary interest financial
"except to the extent of its pecuniary interest, if any, therein"
Section 16 regulatory
"for purposes of Section 16 or for any other purpose."
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.
Banco Central do Brasil financial
"using the Banco Central do Brasil's conversion rate as of September 9, 2026."

FAQ

What insider transactions did Aura Minerals (AUGO) report on September 9, 2026?

Aura Minerals reported that director Bruno Sousa Mauad, through Kapitalo Investimentos, sold 53,627 common shares and 15,229 Brazilian Depositary Receipts on September 9, 2026, all as open-market or private sale transactions.

How many Aura Minerals (AUGO) shares did the insider hold after these sales?

After the September 9, 2026 transactions, the indirect holdings reported include 125,031 common shares and 13,292,128 Brazilian Depositary Receipts, all held "by Kapitalo Investimentos" according to the filing.

What prices were received in the Aura Minerals (AUGO) insider sales?

The 53,627 common shares were sold at a weighted average price of $86.605 per share, with individual trades between $86.60 and $86.64. The 15,229 BDRs were sold at a weighted average of $29.4386, based on BRL 150.08 per BDR converted using the Banco Central do Brasil rate.

What are Brazilian Depositary Receipts (BDRs) in the context of Aura Minerals (AUGO)?

For Aura Minerals, the filing explains that Brazilian Depositary Receipts (BDRs) are certificates representing common shares of the issuer, with three BDRs equal to one common share of Aura Minerals.

Were the Aura Minerals (AUGO) insider sales made under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is not marked, and there is no footnote stating that the September 9, 2026 sales were made pursuant to a Rule 10b5-1 trading plan or other pre-arranged trading arrangement.

Does the Aura Minerals (AUGO) director claim full beneficial ownership of the sold securities?

No. The reporting person disclaims beneficial ownership of the securities except to the extent of any pecuniary interest. The positions are reported as held indirectly through Kapitalo Investimentos.

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/09/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Shares09/09/2026S53,627D$86.605(1)125,031IBy 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Brazilian Depositary Receipts(2)09/09/2026S15,229 (2) (2)Common shares, no par value5,076.33$29.4386(3)13,292,128IBy Kapitalo Investimentos
Explanation of Responses:
1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.60 to $86.64, 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.
2. BDRs are certificates representing Common Shares of the Issuer. Three BDRs represent one Common Share of the Issuer.
3. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $29.23 to $29.61, 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 BDRs sold at each separate price within the ranges set forth in footnote (3) to this Form 4. The weighted average price, R$150.08 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of September 9, 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 Mauad09/10/2026
** Signature of Reporting PersonDate
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)

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