Bruno Sousa Mauad - 18 Aug 2026 Form 4 Insider Report for Aura Minerals Inc. (AUGO)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
02 Sep 2026, 20:01:15 UTC
Prior SEC filing
18 Aug 2026
Next SEC filing
20 Aug 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
Bruno Sousa Mauad

Key filing fact

Bruno Sousa Mauad filed Form 4 for Aura Minerals Inc. (AUGO) on 02 Sep 2026.

Key facts

  • This page summarizes Bruno Sousa Mauad's Form 4 filing for Aura Minerals Inc. (AUGO).
  • 18 reported transactions and 13 derivative rows are listed below.
  • Accepted by SEC: 02 Sep 2026, 20:01.

Change

  • Previous filing in this sequence was filed on 18 Aug 2026.
  • Current net transaction value: -$10,367,873.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002117905 Primary reporting owner

Sousa Mauad Bruno

Relationship
Director
Address
C/O AURA TECHNICAL SERVICES INC., 3390 MARY ST, SUITE 116, COCONUT GROVE
Signature
Bruno Sousa Mauad
Signature date
02 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AUGO transaction

Common Shares

Purchase

Transaction value
$799
Shares
+10
Change %
+0%
Price
$79.89
Shares after
290,866
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
AUGO transaction

Common Shares

Sale

Transaction value
$10,353,000
Shares
-127,500
Change %
-44%
Price
$81.20
Shares after
163,366
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
AUGO transaction

Common Shares

Conversion of derivative security

Transaction value
Shares
+3,225
Change %
+2%
Price
$80.42*
Shares after
166,591
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Footnotes
F6
AUGO transaction

Common Shares

Conversion of derivative security

Transaction value
Shares
+3,900
Change %
+2.3%
Price
$81.55*
Shares after
170,491
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Footnotes
F7
AUGO transaction

Common Shares

Conversion of derivative security

Transaction value
Shares
+100
Change %
+0.06%
Price
$82.05*
Shares after
170,591
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Footnotes
F8

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AUGO transaction Derivative

Brazilian Depositary Receipts

Sale

Transaction value
$26.74
Shares
-1
Change %
-0%
Price
$26.74
Shares after
13,619,368
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
0
Exercise price
Footnotes
F1
AUGO transaction Derivative

Cash-Settled Total Return Swap

Sale

Transaction value
Shares
-125
Change %
-0.18%
Price
Shares after
70,153
Date
18 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
42
Exercise price
Footnotes
F1, F2
AUGO transaction Derivative

Cash-Settled Total Return Swap

Sale

Transaction value
Shares
-65
Change %
-0.02%
Price
Shares after
405,273
Date
18 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
22
Exercise price
Footnotes
F1, F2
AUGO transaction Derivative

Cash-Settled Total Return Swap

Sale

Transaction value
Shares
-70,153
Change %
-100%
Price
Shares after
0
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
23,384
Exercise price
Footnotes
F1, F3
AUGO transaction Derivative

Cash-Settled Total Return Swap

Purchase

Transaction value
Shares
+70,153
Change %
Price
Shares after
70,153
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
23,384
Exercise price
Footnotes
F1, F4
AUGO transaction Derivative

Cash-Settled Total Return Swap

Sale

Transaction value
Shares
-377,987
Change %
-93%
Price
Shares after
27,286
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
125,996
Exercise price
Footnotes
F1, F3
AUGO transaction Derivative

Cash-Settled Total Return Swap

Sale

Transaction value
Shares
-27,286
Change %
-100%
Price
Shares after
0
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
9,095
Exercise price
Footnotes
F1, F3
AUGO transaction Derivative

Cash-Settled Total Return Swap

Purchase

Transaction value
Shares
+405,273
Change %
Price
Shares after
405,273
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
135,091
Exercise price
Footnotes
F1, F5
AUGO transaction Derivative

Brazilian Depositary Receipts

Conversion of derivative security

Transaction value
Shares
-21,675
Change %
-0.16%
Price
$26.74*
Shares after
13,597,693
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
7,225
Exercise price
Footnotes
F1, F9
AUGO transaction Derivative

Call option (obligation to sell)

Sale

Transaction value
$11,475
Shares
-1,500
Change %
-50%
Price
$7.65
Shares after
1,500
Date
28 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
150,000
Exercise price
$95.00
AUGO transaction Derivative

Put option (right to sell)

Purchase

Transaction value
$11,325
Shares
+1,500
Change %
Price
$7.55
Shares after
1,500
Date
28 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
150,000
Exercise price
$85.00
AUGO transaction Derivative

Call option (right to buy)

Purchase

Transaction value
Shares
+1,500
Change %
Price
$4.53*
Shares after
0
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
150,000
Exercise price
$95.00
Footnotes
F11
AUGO transaction Derivative

Put option (obligation to buy)

Sale

Transaction value
$15,495
Shares
-1,500
Change %
-100%
Price
$10.33
Shares after
0
Date
31 Aug 2026
Ownership
By Kapitalo Investimentos
Underlying class
Common shares, no par value
Underlying amount
150,000
Exercise price
$85.00
Footnotes
F10
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 11 footnotes

Footnote F1

BDRs are certificates representing Common Shares of the Issuer. Three BDRs represent one Common Share of the Issuer.

Footnote F2

Kapitalo settled their position in a certain cash-settled total return swap agreement pursuant to its terms at a settlement price of $17.74 using the Banco Central do Brasil's conversion rate as of August 18, 2026.

Footnote F3

Kapitalo settled their position in a certain cash-settled total return swap agreement pursuant to its terms at a settlement price of $17.82 using the Banco Central do Brasil's conversion rate as of August 31, 2026.

Footnote F4

Kapitalo Investimentos entered into a cash-settled total return swap pursuant to which it will pay any increase in, and receive any decrease in, the price of 70,153 Brazilian Depository Receipts, from an initial price per Brazilian Depository Receipt of BRL142.60. The final valuation date (subject to early termination by the parties) is September 30, 2026.

Footnote F5

Kapitalo Investimentos entered into a cash-settled total return swap pursuant to which it will pay any increase in, and receive any decrease in, the price of 405,273 Brazilian Depository Receipts, from an initial price per Brazilian Depository Receipt of BRL142.60. The final valuation date (subject to early termination by the parties) is September 30, 2026.

Footnote F6

The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $79.89 to $80.67, 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 (6) 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.

Footnote F7

The price reported is a weighted average price. These shares were bought in multiple transactions at prices ranging from $81.10 to $82.00, 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 (7) 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.

Footnote F8

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.

Footnote F9

The price reported is a weighted average price. These BDRs were sold in multiple transactions at prices ranging from $26.50 to $27.16, 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 (9) to this Form 4. The weighted average price, R$138.55 Brazilian reais ("BRL") per BDR, has been converted to U.S. dollars ("USD") using the Banco Central do Brasil's conversion rate as of August 31, 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.

Footnote F10

The put option was voluntarily terminated unexercised on August 31, 2026.

Footnote F11

The call option was voluntarily terminated unexercised on August 31, 2026.

SEC 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.

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