Gerdau S.A. (GGB)
NYSE: GGB · Steel Works, Blast Furnaces & Rolling & Finishing Mills · filing with the SEC since 2000
Who owns Gerdau S.A.
As filed with the SECHolders of 5% or more
0
No Schedule 13D or 13G naming this company is on file.
Directors and officers
5
report now, of 5 people on the record since 2026. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 0 named at left.
Holders of 5% or moreshare of the class, as filed
Fmr LLC
SCHEDULE 13G/A · filed Mar 6, 2026 · PREFERRED SHARES · reported falling below 5%, from 7.9% in Feb 5, 2026
What GGB reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Comercial Gerdau Aos Planos Ltda
A company bought · acquisition · owns, named in the 20-F filed Mar 13, 2026
Gerdau Summit Acos Fundidos e Forjados S.A.
A company bought · acquisition · owns, named in the 20-F filed Mar 13, 2026
Insider tradesForm 4
5sales
1purchases
0sales on a scheduled plan
2people selling
$2.9Msold, in dollars
$800,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window12 of 19 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Da Cunha Gustavo Werneck | CEO and Board Member | 4 | $2.9M | 0 | 1 | $800,000 |
| Wang Chia Yuan | other | 6 | $1.0M | 0 | 0 | $0 |
| Johannpeter Guilherme Chagas Gerdau | other | 2 | $600,000 | 0 | 0 | $0 |
| Johannpeter Andre Bier Gerdau | other | 1 | $500,000 | 0 | 0 | $0 |
| Johannpeter Claudio | other | 1 | $400,000 | 0 | 0 | $0 |
| Lopes Rafael Gamboa | other | 1 | $300,000 | 0 | 0 | $0 |
| Uhlein Clemir | other | 1 | $200,000 | 0 | 0 | $0 |
| Wahrhaftig Marcos Eduardo Faraco | other | 1 | $100,000 | 0 | 0 | $0 |
| Mattiello Marcos Zilles | other | 1 | $100,000 | 0 | 0 | $0 |
| Japur Rafael Dorneles | other | 2 | $100,000 | 0 | 0 | $0 |
| Metz Mauricio | other | 6 | $100,000 | 0 | 0 | $0 |
| Peres Cesar Obino Da Rosa | Officer | 1 | $0 | 0 | 0 | $0 |