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GERDAU S.A.

GGB Net selling
CIK 0001073404 #1019 in the set updated 18 Sep 2026
Bought (120 mo)
$781.51K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$5.18M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$5.18M
24 of 24 sales
Net
−$4.40M
−$4.40M against sales at will

By person

10 insiders · 25 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Da Cunha Gustavo Werneck
CEO and Board Member
$781.51K (1)
$2.91M (4)
−$2.13M
Wang Chia Yuan
Senior Management
$1.01M (6)
−$1.01M
Johannpeter Andre Bier Gerdau
Chairman of Board of Directors
$490.05K (1)
−$490.05K
Johannpeter Guilherme Chagas Gerdau
Vice-Chairman of Board
$281.65K (1)
−$281.65K
Uhlein Clemir
Senior Management
$172.62K (1)
−$172.62K
Metz Mauricio
Executive Vice President
$99.85K (6)
−$99.85K
Japur Rafael Dorneles
VP, CFO and IR Officer
$74.75K (2)
−$74.75K
Mattiello Marcos Zilles
Senior Management
$53.08K (1)
−$53.08K
Wahrhaftig Marcos Eduardo Faraco
Executive Vice President
$50.42K (1)
−$50.42K
Peres Cesar Obino da Rosa
Officer
$36.80K (1)
−$36.80K

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Insider
Date
Role
Action
Shares
Price
Amount
Johannpeter Andre Bier Gerdau
10 Aug 2026
Chairman of Board of Directors
Sell
99,200
$4.94
$490.05K
Japur Rafael Dorneles
6 Aug 2026
VP, CFO and IR Officer
Sell
10,000
$5.10
$51.00K
Da Cunha Gustavo Werneck
12 Jun 2026
CEO and Board Member
Buy
165,224
$4.73
$781.51K
Mattiello Marcos Zilles
8 Jun 2026
Senior Management
Sell
10,387
$5.11
$53.08K
Metz Mauricio
2 Jun 2026
Executive Vice President
Sell
7,000
$4.85
$33.95K
Wang Chia Yuan
2 Jun 2026
Senior Management
Sell
30,935
$4.49
$138.90K
Metz Mauricio
26 May 2026
Executive Vice President
Sell
5,000
$4.70
$23.50K
Japur Rafael Dorneles
22 May 2026
VP, CFO and IR Officer
Sell
5,000
$4.75
$23.75K
Peres Cesar Obino da Rosa
19 May 2026
Officer
Sell
8,000
$4.60
$36.80K
Metz Mauricio
13 May 2026
Executive Vice President
Sell
5,000
$4.85
$24.25K
Da Cunha Gustavo Werneck
8 May 2026
CEO and Board Member
Sell
432,854
$4.87
$2.11M
Wang Chia Yuan
5 May 2026
Senior management
Sell
40,000
$4.75
$190.00K
Metz Mauricio
5 May 2026
Executive Vice President
Sell
2,000
$4.69
$9.38K
Wang Chia Yuan
30 Apr 2026
Senior management
Sell
20,000
$4.54
$90.80K
Metz Mauricio
28 Apr 2026
Executive Vice President
Sell
1,000
$4.53
$4.53K
Uhlein Clemir
28 Apr 2026
Senior Management
Sell
38,276
$4.51
$172.62K
Wang Chia Yuan
28 Apr 2026
Senior Management
Sell
76,700
$4.49
$344.38K
Da Cunha Gustavo Werneck
28 Apr 2026
CEO and Board Member
Sell
88,000
$4.50
$396.00K
Wang Chia Yuan
10 Apr 2026
Senior Management
Sell
25,000
$4.21
$105.25K
Metz Mauricio
10 Apr 2026
Executive Vice President
Sell
1,000
$4.24
$4.24K
Da Cunha Gustavo Werneck
9 Apr 2026
CEO and Board Member
Sell
50,000
$4.16
$208.00K
Wahrhaftig Marcos Eduardo Faraco
9 Apr 2026
Executive Vice President
Sell
12,419
$4.06
$50.42K
Wang Chia Yuan
8 Apr 2026
Senior management
Sell
34,000
$4.00
$136.00K
Da Cunha Gustavo Werneck
8 Apr 2026
CEO and Board Member
Sell
50,000
$4.01
$200.50K
Johannpeter Guilherme Chagas Gerdau
20 Mar 2026
Vice-Chairman of Board
Sell
85,607
$3.29
$281.65K

What was left out

Form 4 filings counted 25
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 24
Transactions with no price 0
Shares from compensation/vesting 432,774
History held since 24 Mar 2026