STOCK TITAN

Gerdau (NYSE: GGB) executive sells 40,000 preferred ADRs and keeps RSUs

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

Rhea-AI Filing Summary

GERDAU S.A. senior manager Wang Chia Yuan sold 40,000 preferred share American Depositary Receipts on May 5, 2026 in an open-market sale at a weighted average price of $4.75 per ADR, with trades between $4.71 and $4.80.

After the sale, he directly holds 32,195 preferred share ADRs and maintains several restricted stock unit awards over preferred shares, with exercise prices between $2.83 and $4.04 and vesting dates from 2027 to 2029.

Positive

  • None.

Negative

  • None.
Insider Wang Chia Yuan
Role null
Sold 40,000 shs ($190K)
Type Security Shares Price Value
Sale Preferred shares 40,000 $4.75 $190K
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Preferred shares -- -- --
Holdings After Transaction: Preferred shares — 32,195 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 $4.71 to $4.80, 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 40,000 shares Preferred share ADRs sold in open-market transaction on May 5, 2026
Weighted average sale price $4.75/share Open-market sale, with trades from $4.71 to $4.80
Price range of sales $4.71–$4.80/share Multiple sale executions for the 40,000 preferred ADRs
Direct holdings after sale 32,195 shares Preferred share ADRs directly held post-transaction
RSU underlying shares (2029 vesting) 75,639 shares at $4.04 Restricted stock units over preferred shares, vesting March 1, 2029
RSU underlying shares (2028 vesting) 102,580 shares at $2.83 Restricted stock units over preferred shares, vesting March 1, 2028
RSU underlying shares (July 2027 vesting) 184,494 shares at $3.57 Restricted stock units over preferred shares, vesting July 31, 2027
RSU underlying shares (March 2027 vesting) 76,817 shares at $3.58 Restricted stock units over preferred shares, vesting March 1, 2027
Restricted Stock Units financial
"security_title: "Restricted Stock Units" and underlying preferred share awards"
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
"Footnotes describe the securities as 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
"transaction_action: "open-market sale" for the 40,000 preferred shares"
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.
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)
05/05/2026
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)05/05/2026S40,000D$4.75(2)32,195D
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 $4.71 to $4.80, 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 Wang05/07/2026
** 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

How many GERDAU S.A. (GGB) preferred shares did Wang Chia Yuan sell?

He sold 40,000 preferred share American Depositary Receipts in a single open-market transaction. This disposition reduced his direct preferred share holdings but was accompanied by continued ownership of multiple restricted stock unit awards tied to preferred shares.

At what price were the 40,000 GERDAU S.A. (GGB) preferred ADRs sold?

The 40,000 preferred ADRs were sold at a weighted average price of $4.75 per share. According to the filing, individual trade prices ranged from $4.71 to $4.80, indicating the shares were sold across multiple executions within that price band.

How many GERDAU S.A. (GGB) preferred ADRs does Wang Chia Yuan hold after the sale?

Following the 40,000-share sale, he directly holds 32,195 preferred share American Depositary Receipts. This figure reflects his remaining direct non-derivative position in the company’s preferred shares as reported in the Form 4 filing.

When do Wang Chia Yuan’s GERDAU S.A. (GGB) restricted stock units vest?

The restricted stock units are scheduled to vest on March 1, 2027, July 31, 2027, March 1, 2028 and March 1, 2029. These vesting dates apply to American Depositary Receipt-based RSU grants tied to the company’s preferred shares.

What type of insider transaction does this GERDAU S.A. (GGB) Form 4 report?

The Form 4 reports an open-market sale of preferred share American Depositary Receipts by senior manager Wang Chia Yuan. It also lists his remaining direct preferred share holdings and several outstanding restricted stock unit awards linked to preferred shares.