GGB

Gerdau S.A.

Company with tickers: GGB

Market Cap

$8.17B

Shares Outstanding

1,250,654,550

CIK

1073404

CUSIP

373737105

13F Activity (30d)

2 filings 1 filers

Website

Visit website

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

Net buyers

-6

Net shares bought

-0.06%

Net buy value

-$3,519,766

Date	Insider	Role	Type	Shares	Price	Value	After
2026-06-12	Da Cunha Gustavo Werneck	CEO and Board Member	Buy	165,224	$4.73	$781,510	165,224
2026-06-02	Wang Chia Yuan	Insider	Sell	30,935	$4.49	$138,898	0
2026-06-02	Metz Mauricio	Insider	Sell	7,000	$4.85	$33,950	22,536
2026-05-26	Metz Mauricio	Insider	Sell	5,000	$4.70	$23,500	29,536
2026-05-22	Japur Rafael Dorneles	Insider	Sell	5,000	$4.75	$23,750	96,967
2026-05-19	Peres Cesar Obino da Rosa	Officer	Sell	8,000	$4.60	$36,800	8
2026-05-13	Metz Mauricio	Insider	Sell	5,000	$4.85	$24,250	34,536
2026-05-08	Da Cunha Gustavo Werneck	CEO and Board Member	Sell	432,854	$4.87	$2,107,999	0
2026-05-08	Da Cunha Gustavo Werneck	CEO and Board Member	Award	432,774	—	—	432,854
2026-05-05	Wang Chia Yuan	Insider	Sell	40,000	$4.75	$190,000	32,195
2026-05-05	Metz Mauricio	Insider	Sell	2,000	$4.69	$9,380	39,536
2026-04-30	Wang Chia Yuan	Insider	Sell	20,000	$4.54	$90,800	72,195
2026-04-28	Metz Mauricio	Insider	Sell	1,000	$4.53	$4,530	41,536
2026-04-28	Wang Chia Yuan	Insider	Sell	76,700	$4.49	$344,383	92,195
2026-04-28	Da Cunha Gustavo Werneck	CEO and Board Member	Sell	88,000	$4.50	$396,000	80
2026-04-28	Uhlein Clemir	Insider	Sell	38,276	$4.51	$172,625	0
2026-04-10	Metz Mauricio	Insider	Sell	1,000	$4.24	$4,240	42,536
2026-04-10	Wang Chia Yuan	Insider	Sell	25,000	$4.21	$105,250	168,895
2026-04-09	Da Cunha Gustavo Werneck	CEO and Board Member	Sell	50,000	$4.16	$208,000	88,080
2026-04-09	Wahrhaftig Marcos Eduardo Faraco	Insider	Sell	12,419	$4.06	$50,421	0
2026-04-08	Da Cunha Gustavo Werneck	CEO and Board Member	Sell	50,000	$4.01	$200,500	138,080
2026-04-08	Wang Chia Yuan	Insider	Sell	34,000	$4.00	$136,000	193,895
2026-03-20	Johannpeter Guilherme Chagas Gerdau	Insider	Sell	85,607	$3.29	$281,647	0

Showing 1–23 of 23 transactions