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  4. [Form 4] Aura Minerals Inc. Insider Trading Activity

Aura Minerals director shifts BDR exposure to stock

Filing Impact
(High)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Aura Minerals Inc. (AUGO) director Bruno Sousa Mauad, through Kapitalo Investimentos, reported a series of indirect derivative and equity transactions on September 1, 2026 involving Brazilian Depositary Receipts (BDRs), a cash-settled total return swap, and common shares. Kapitalo bought 4,075 BDRs and sold 4,077 BDRs, including settling 24,198 BDRs in a derivative conversion, while simultaneously converting BDR exposure into Aura common shares via multiple transactions that acquired 3,067 and 4,999 common shares and a small open-market purchase of 1 share. Kapitalo also disposed of 4,075 units of a cash-settled total return swap referencing Aura common shares, leaving 401,198 units of that swap outstanding. Footnotes state that three BDRs represent one common share and that several trades used BDR sale proceeds to buy an equivalent number of common shares, effectively shifting exposure from BDRs and swap instruments into common equity. Each reporting person disclaims beneficial ownership except to the extent of any pecuniary interest, and no Rule 10b5-1 trading plan is indicated.

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Insider Sousa Mauad Bruno
Role Director
Bought 4,076 shs ($108K)
Sold 4,077 shs ($113K)
Type Security Shares Price Value
Purchase Brazilian Depositary Receipts F1 4,075 $26.5018 $108K
Sale Brazilian Depositary Receipts F1 2 $27.0099 $54.02
Sale Cash-Settled Total Return Swap F1, F2 4,075 $27.6517 $113K
Conversion Brazilian Depositary Receipts F1, F5 24,198 $26.8259 $649K
Purchase Common Shares 1 $81.10 $81.10
Conversion Common Shares F3 3,067 $80.0079 $245K
Conversion Common Shares F4 4,999 $81.2313 $406K
Holdings After Transaction: Cash-Settled Total Return Swap — 401,198 contracts (Indirect, By Kapitalo Investimentos); Brazilian Depositary Receipts — 13,577,568 contracts (Indirect, By Kapitalo Investimentos); Common Shares — 178,658 shares (Indirect, By Kapitalo Investimentos)
Footnotes (5)
  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 $27.65 using the Banco Central do Brasil's conversion rate as of September 1, 2026.
  3. F3. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $79.55 to $80.40, 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 bought at each separate price within the ranges set forth in footnote (3) to this Form 4. The source of funds for the purchase was the sale of an equivalent number of BDRs, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table II below.
  4. F4. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $81.00 to $81.45, 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 bought at each separate price within the ranges set forth in footnote (4) to this Form 4. The source of funds for the purchase was the sale of an equivalent number of BDRs, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table II below.
  5. F5. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $26.46 to $27.11, 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 (5) to this Form 4. The weighted average price, R$138.34 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 1, 2026. The proceeds of the sale were used to purchase an equivalent number of common shares, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table I above.
BDRs purchased 4,075 BDRs at $26.5018 per BDR Indirect purchase by Kapitalo Investimentos on September 1, 2026
BDRs sold in small trade 2 BDRs at $27.0099 per BDR Indirect sale by Kapitalo Investimentos on September 1, 2026
BDRs disposed in conversion 24,198 BDRs at $26.8259 weighted average Derivative conversion of BDRs on September 1, 2026
Common shares acquired (conversion 1) 3,067 shares at about $80.01 weighted average Acquired via derivative conversion; funded by BDR sales
Common shares acquired (conversion 2) 4,999 shares at about $81.23 weighted average Acquired via derivative conversion; funded by BDR sales
Open-market common share purchase 1 share at $81.10 Indirect purchase by Kapitalo Investimentos on September 1, 2026
Cash-settled swap units sold 4,075 units at about $27.65 per unit Settlement of total return swap on September 1, 2026
Remaining cash-settled swap position 401,198 units Indirectly held by Kapitalo Investimentos after reported transactions
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.
cash-settled total return swap financial
"Kapitalo settled their position in a certain cash-settled total return swap"
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
"disclaims beneficial ownership ... except to the extent of its pecuniary interest"
beneficial ownership financial
"shall not be deemed to be an admission that such Reporting Person is the beneficial owner"
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 did Aura Minerals Inc. (AUGO) report in this Form 4 for Bruno Sousa Mauad?
The Form 4 reports indirect transactions by Kapitalo Investimentos for Bruno Sousa Mauad on September 1, 2026, involving purchases and sales of BDRs, settlement of a cash-settled total return swap, and acquisitions of Aura common shares through derivative conversions and a small open-market buy.

How many Aura Minerals BDRs were bought and sold in this filing for AUGO?
Kapitalo Investimentos bought 4,075 BDRs at a reported price of $26.5018 per BDR and sold 4,077 BDRs across transactions, including 24,198 BDRs disposed in a derivative conversion and a small 2-BDR sale around $27.0099 per BDR.

How many Aura Minerals (AUGO) common shares were acquired through these transactions?
The filing shows indirect acquisitions of Aura common shares by Kapitalo Investimentos: 3,067 shares at a weighted average price of about $80.01, 4,999 shares at a weighted average of about $81.23, and a separate open-market purchase of 1 share at $81.10.

What does the cash-settled total return swap in the Aura Minerals (AUGO) Form 4 represent?
Kapitalo disposed of 4,075 units of a cash-settled total return swap referencing Aura common shares at a reported settlement price of about $27.65 per unit, and after this transaction, 401,198 swap units remained indirectly held.

Were the Aura Minerals (AUGO) Form 4 transactions made under a Rule 10b5-1 trading plan?
No. The Form 4 indicates that the Rule 10b5-1 checkbox is not selected, and the footnotes do not describe any Rule 10b5-1 or other pre-arranged trading plan for these transactions.

Does Bruno Sousa Mauad claim full beneficial ownership of the Aura Minerals securities reported?
No. The Form 4 states that each reporting person disclaims beneficial ownership of the reported securities except to the extent of any pecuniary interest. The transactions are attributed to Kapitalo Investimentos as indirect ownership.

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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)
09/01/2026		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 Shares09/01/2026P1A$81.1170,592IBy Kapitalo Investimentos
Common Shares09/01/2026C3,067A$80.0079(3)173,659IBy Kapitalo Investimentos
Common Shares09/01/2026C4,999A$81.2313(4)178,658IBy 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(1)09/01/2026P4,075 (1) (1)Common shares, no par value1,358.33$26.501813,601,768IBy Kapitalo Investimentos
Brazilian Depositary Receipts(1)09/01/2026S2 (1) (1)Common shares, no par value0.67$27.009913,601,766IBy Kapitalo Investimentos
Cash-Settled Total Return Swap(1)09/01/2026S/K4,075 (1) (1)Common shares, no par value1,358.33$27.6517(2)401,198IBy Kapitalo Investimentos
Brazilian Depositary Receipts(1)09/01/2026C24,198 (1) (1)Common shares, no par value8,066$26.8259(5)13,577,568IBy 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 $27.65 using the Banco Central do Brasil's conversion rate as of September 1, 2026.
3. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $79.55 to $80.40, 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 bought at each separate price within the ranges set forth in footnote (3) to this Form 4. The source of funds for the purchase was the sale of an equivalent number of BDRs, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table II below.
4. The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $81.00 to $81.45, 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 bought at each separate price within the ranges set forth in footnote (4) to this Form 4. The source of funds for the purchase was the sale of an equivalent number of BDRs, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table II below.
5. The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $26.46 to $27.11, 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 (5) to this Form 4. The weighted average price, R$138.34 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 1, 2026. The proceeds of the sale were used to purchase an equivalent number of common shares, therefore effectively converting the interest in BDRs to an equivalent interest in common shares. See corresponding transaction in table I above.
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 Mauad09/03/2026
** 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)

Source: View Original Filing on SEC EDGAR