STOCK TITAN

[Form 4] GERDAU S.A. Insider Trading Activity

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

GERDAU S.A. senior manager Wang Chia Yuan reported an open-market sale of 30,935 preferred share American Depositary Receipts at a reported price of $4.49 per share, with the footnote stating a weighted average price from $4.86 to $4.91. After this trade, no preferred shares are held directly.

The filing also shows continued direct holdings of restricted stock units over preferred shares, including 75,639 underlying shares vesting on March 1, 2029, 102,580 vesting on March 1, 2028, 184,494 vesting on July 31, 2027, and 76,817 vesting on March 1, 2027.

Positive

  • None.

Negative

  • None.
Insider Wang Chia Yuan
Role null
Sold 30,935 shs ($139K)
Type Security Shares Price Value
Sale Preferred shares 30,935 $4.49 $139K
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Preferred shares -- -- --
Holdings After Transaction: Preferred shares — 0 shares (Direct, null); Restricted Stock Units — 76,817 shares (Direct, null)
Footnotes (1)
  1. American Depositary Receipts. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.86 to $4.91, inclusive. Restricted stock units vest on March 1, 2027 (American Depositary Receipts). Restricted stock units vest on July 31, 2027 (American Depositary Receipts). Restricted stock units vest on March 1, 2028 (American Depositary Receipts). Restricted stock units vest on March 1, 2029 (American Depositary Receipts).
Shares sold 30,935 shares Preferred share ADRs sold in open market on 2026-06-02
Reported sale price $4.49 per share Column 4 price for preferred share ADR sale
Weighted price range $4.86–$4.91 per share Footnote weighted average price range for sold ADRs
RSUs underlying shares (vest 2029-03-01 75,639 shares Restricted stock units over preferred shares vesting March 1, 2029
RSUs underlying shares (vest 2028-03-01 102,580 shares Restricted stock units over preferred shares vesting March 1, 2028
RSUs underlying shares (vest 2027-07-31 184,494 shares Restricted stock units over preferred shares vesting July 31, 2027
RSUs underlying shares (vest 2027-03-01 76,817 shares Restricted stock units over preferred shares vesting March 1, 2027
Preferred shares before sale 882 shares Preferred shares holding entry showing 882 after earlier activity
Restricted Stock Units financial
"The filing also shows continued direct holdings of restricted stock units over preferred shares"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
American Depositary Receipts financial
"American Depositary Receipts."
A certificate traded on U.S. markets that represents ownership of shares in a foreign company, letting U.S. investors buy and sell that company as if it were listed domestically. Think of it as a local voucher for a foreign product: it makes price quotes in dollars, trades on familiar exchanges, and brings differences in liquidity, fees and legal protections that can affect returns and risk compared with buying the underlying foreign shares directly.
open-market sale financial
"reported an open-market sale of 30,935 preferred share American Depositary Receipts"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Wang Chia Yuan

(Last)(First)(Middle)
AVENUE DOUTORA RUTH DE CARDOSO, 8501
8TH FLOOR, PINHEIROS

(Street)
SAO PAULOSAO PAULO05425-070

(City)(State)(Zip)

BRAZIL

(Country)
2. Issuer Name and Ticker or Trading Symbol
GERDAU S.A. [ GGB ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
Officer (give title below)XOther (specify below)
Senior Management
2a. Foreign Trading Symbol
[GGBR]
3. Date of Earliest Transaction (Month/Day/Year)
06/02/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Preferred shares(1)06/02/2026S30,935D$4.49(2)0D
Preferred shares882D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units$3.5803/01/2027(3)03/01/2027Preferred shares76,81776,817D
Restricted Stock Units$3.5707/31/2027(4)07/31/2027Preferred shares184,494184,494D
Restricted Stock Units$2.8303/01/2028(5)03/01/2028Preferred shares102,580102,580D
Restricted Stock Units$4.0403/01/2029(6)03/01/2029Preferred shares75,63975,639D
Explanation of Responses:
1. American Depositary Receipts.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.86 to $4.91, inclusive.
3. Restricted stock units vest on March 1, 2027 (American Depositary Receipts).
4. Restricted stock units vest on July 31, 2027 (American Depositary Receipts).
5. Restricted stock units vest on March 1, 2028 (American Depositary Receipts).
6. Restricted stock units vest on March 1, 2029 (American Depositary Receipts).
/s/ Chia Yuan Wang06/03/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Wang Chia Yuan report at Gerdau (GGB)?

Wang Chia Yuan reported selling 30,935 preferred share American Depositary Receipts of Gerdau in an open-market transaction. The reported price was $4.49 per ADR, with a weighted average between $4.86 and $4.91 across multiple trades on the same date.

At what prices were the Gerdau (GGB) ADRs sold by the insider?

The Form 4 lists a sale price of $4.49 per preferred share ADR, with a footnote explaining a weighted average price. The individual trades occurred in a range from $4.86 to $4.91 per ADR, inclusive, across multiple transactions on the transaction date.

How many Gerdau preferred share ADRs does Wang Chia Yuan hold after the sale?

Following the reported sale, the Form 4 shows Wang Chia Yuan holding zero preferred share American Depositary Receipts directly. However, this does not include restricted stock units, which represent additional potential future holdings linked to preferred shares upon vesting.

What restricted stock units linked to Gerdau (GGB) does the insider still hold?

The filing shows restricted stock units over preferred shares covering 75,639 underlying shares, 102,580 underlying shares, 184,494 underlying shares, and 76,817 underlying shares. These awards vest on March 1, 2029, March 1, 2028, July 31, 2027, and March 1, 2027, respectively.

What are the exercise prices for the Gerdau restricted stock units reported?

The restricted stock units reference exercise prices of $4.04, $2.83, $3.57, and $3.58 per underlying preferred share. Each grouping of RSUs is tied to a specific price and vesting schedule, with expirations matching the vesting dates described in the accompanying footnotes.

Does the Form 4 indicate any derivative exercises by Wang Chia Yuan at Gerdau?

No derivative exercises are reported in this Form 4. The filing lists the restricted stock units as holdings, with future vesting and expiration dates, but the transaction summary shows zero derivative exercises and focuses on a single open-market sale of preferred share ADRs.