BR Metals & Mining

Gerdau SA (GGBR4)

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Track

Gerdau SA witnessed eight insider trading transactions over the past ninety days. While executives sold shares, the CEO executed a significant purchase in June. These activities occurred alongside a 7.5% stock price increase and a recent earnings report that missed expectations by 2.63%.
Ticker: GGBR4 Exchange: SAO
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Gerdau SA. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Japur Rafael Dorneles VP, CFO and IR Officer
Transaction date
Sale
Price
405.01
Quantity 60,468 +22.1%
Value US$1,700,676
Da Cunha Gustavo Werneck CEO and Board Member Officer
Transaction date
Purchase
Price
476.59
Quantity 51,284 -0.6%
Value US$3,795,140
Wang Chia Yuan Senior Management
Transaction date
Sale
Price
4.49
Quantity 30,935 -100.0%
Value US$138,898
Metz Mauricio Executive Vice President
Transaction date
Sale
Price
4.85
Quantity 7,000 -23.7%
Value US$33,950
Metz Mauricio Executive Vice President
Transaction date
Sale
Price
4.70
Quantity 5,000 -14.5%
Value US$23,500
Japur Rafael Dorneles VP, CFO and IR Officer
Transaction date
Sale
Price
4.75
Quantity 5,000 -4.9%
Value US$23,750
Metz Mauricio Executive Vice President
Transaction date
Sale
Price
4.85
Quantity 5,000 -12.6%
Value US$24,250
Da Cunha Gustavo Werneck CEO and Board Member Officer
Transaction date
Sale
Price
4.87
Quantity 432,854 -100.0%
Value US$2,107,999
Metz Mauricio Executive Vice President
Transaction date
Sale
Price
4.69
Quantity 2,000 -4.8%
Value US$9,380
Wang Chia Yuan Senior management
Transaction date
Sale
Price
4.75
Quantity 40,000 -55.4%
Value US$190,000
Wang Chia Yuan Senior management
Transaction date
Sale
Price
4.54
Quantity 20,000 -21.7%
Value US$90,800
Da Cunha Gustavo Werneck CEO and Board Member Officer
Transaction date
Sale
Price
4.50
Quantity 88,000 -99.9%
Value US$396,000
Wang Chia Yuan Senior Management
Transaction date
Sale
Price
4.49
Quantity 76,700 -45.4%
Value US$344,383
Uhlein Clemir Senior Management
Transaction date
Sale
Price
4.51
Quantity 38,276 -100.0%
Value US$172,625
Metz Mauricio Executive Vice President
Transaction date
Sale
Price
4.53
Quantity 1,000 -2.4%
Value US$4,530
Metz Mauricio Executive Vice President
Transaction date
Sale
Price
4.53
Quantity 1,000 -2.4%
Value US$4,530
Metz Mauricio Executive Vice President
Transaction date
Sale
Price
4.24
Quantity 1,000 -2.3%
Value US$4,240
Wang Chia Yuan Senior Management
Transaction date
Sale
Price
4.21
Quantity 25,000 -12.9%
Value US$105,250
Da Cunha Gustavo Werneck CEO and Board Member Officer
Transaction date
Sale
Price
4.16
Quantity 50,000 -36.2%
Value US$208,000
Da Cunha Gustavo Werneck CEO and Board Member Officer
Transaction date
Sale
Price
4.01
Quantity 50,000 -26.6%
Value US$200,500
Wang Chia Yuan Senior management
Transaction date
Sale
Price
4.00
Quantity 34,000 -14.9%
Value US$136,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-12 2026-08-10 S Sale
Johannpeter Andre Bier Gerdau

Chairman of Board of Directors
87,661 -38.7%
405.46
US$4,835,887 		87,661 -38.7% 405.46 US$4,835,887
2026-08-10 2026-08-06 S Sale
Japur Rafael Dorneles

VP, CFO and IR Officer
60,468 +22.1%
405.01
US$1,700,676 		60,468 +22.1% 405.01 US$1,700,676
2026-06-15 2026-06-12 B Purchase
Da Cunha Gustavo Werneck

CEO and Board Member

Officer
51,284 -0.6%
476.59
US$3,795,140 		51,284 -0.6% 476.59 US$3,795,140
2026-08-14 2026-06-08 S Sale
Mattiello Marcos Zilles

Senior Management
1,000 -100.0%
5.11
US$100,000 		1,000 -100.0% 5.11 US$100,000
2026-06-03 2026-06-02 S Sale
Wang Chia Yuan

Senior Management
30,935 -100.0%
4.49
US$138,898 		30,935 -100.0% 4.49 US$138,898
2026-06-03 2026-06-02 S Sale
Metz Mauricio

Executive Vice President
7,000 -23.7%
4.85
US$33,950 		7,000 -23.7% 4.85 US$33,950
2026-05-28 2026-05-26 S Sale
Metz Mauricio

Executive Vice President
5,000 -14.5%
4.70
US$23,500 		5,000 -14.5% 4.70 US$23,500
2026-05-26 2026-05-22 S Sale
Japur Rafael Dorneles

VP, CFO and IR Officer
5,000 -4.9%
4.75
US$23,750 		5,000 -4.9% 4.75 US$23,750
2026-05-22 2026-05-19 S Sale
Peres Cesar Obino da Rosa

Officer

Officer
8,000 -99.9%
4.60
US$36,800 		8,000 -99.9% 4.60 US$36,800
2026-05-15 2026-05-13 S Sale
Metz Mauricio

Executive Vice President
5,000 -12.6%
4.85
US$24,250 		5,000 -12.6% 4.85 US$24,250
2026-05-12 2026-05-08 S Sale
Da Cunha Gustavo Werneck

CEO and Board Member

Officer
432,854 -100.0%
4.87
US$2,107,999 		432,854 -100.0% 4.87 US$2,107,999
2026-05-08 2026-05-05 S Sale
Metz Mauricio

Executive Vice President
2,000 -4.8%
4.69
US$9,380 		2,000 -4.8% 4.69 US$9,380
2026-05-07 2026-05-05 S Sale
Wang Chia Yuan

Senior management
40,000 -55.4%
4.75
US$190,000 		40,000 -55.4% 4.75 US$190,000
2026-05-04 2026-04-30 S Sale
Wang Chia Yuan

Senior management
20,000 -21.7%
4.54
US$90,800 		20,000 -21.7% 4.54 US$90,800
2026-05-05 2026-04-28 S Sale
Da Cunha Gustavo Werneck

CEO and Board Member

Officer
88,000 -99.9%
4.50
US$396,000 		88,000 -99.9% 4.50 US$396,000
2026-04-30 2026-04-28 S Sale
Wang Chia Yuan

Senior Management
76,700 -45.4%
4.49
US$344,383 		76,700 -45.4% 4.49 US$344,383
2026-04-30 2026-04-28 S Sale
Uhlein Clemir

Senior Management
38,276 -100.0%
4.51
US$172,625 		38,276 -100.0% 4.51 US$172,625
2026-04-30 2026-04-28 S Sale
Metz Mauricio

Executive Vice President
1,000 -2.4%
4.53
US$4,530 		1,000 -2.4% 4.53 US$4,530
2026-04-30 2026-04-28 S Sale
Metz Mauricio

Executive Vice President
1,000 -2.4%
4.53
US$4,530 		1,000 -2.4% 4.53 US$4,530
2026-04-14 2026-04-10 S Sale
Metz Mauricio

Executive Vice President
1,000 -2.3%
4.24
US$4,240 		1,000 -2.3% 4.24 US$4,240
2026-04-14 2026-04-10 S Sale
Wang Chia Yuan

Senior Management
25,000 -12.9%
4.21
US$105,250 		25,000 -12.9% 4.21 US$105,250
2026-04-13 2026-04-09 S Sale
Wahrhaftig Marcos Eduardo Faraco

Executive Vice President
12,419 -100.0%
4.06
US$50,421 		12,419 -100.0% 4.06 US$50,421
2026-04-10 2026-04-09 S Sale
Da Cunha Gustavo Werneck

CEO and Board Member

Officer
50,000 -36.2%
4.16
US$208,000 		50,000 -36.2% 4.16 US$208,000
2026-04-10 2026-04-08 S Sale
Da Cunha Gustavo Werneck

CEO and Board Member

Officer
50,000 -26.6%
4.01
US$200,500 		50,000 -26.6% 4.01 US$200,500
2026-04-10 2026-04-08 S Sale
Wang Chia Yuan

Senior management
34,000 -14.9%
4.00
US$136,000 		34,000 -14.9% 4.00 US$136,000
2026-03-24 2026-03-20 S Sale
Johannpeter Guilherme Chagas Gerdau
85,607 -100.0%
3.29
US$281,647 		85,607 -100.0% 3.29 US$281,647
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