STOCK TITAN

Gerdau (NYSE: GGB) senior manager sells 25,000 preferred shares in open market

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 25,000 preferred shares on April 10, 2026 at a weighted average price of $4.21 per share.

After the sale, Wang directly holds 168,895 preferred shares and multiple restricted stock unit awards that vest between 2027 and 2029 over Gerdau American Depositary Receipts.

Positive

  • None.

Negative

  • None.

Insights

Routine open-market sale with sizable remaining equity stake.

Senior manager Wang Chia Yuan sold 25,000 preferred shares of GERDAU S.A. at a weighted average of $4.21. Following this open-market sale, Wang still directly owns 168,895 preferred shares, indicating a substantial ongoing position.

The filing also lists several Restricted Stock Unit awards over preferred-share ADRs, with exercise prices from $2.83 to $4.04 and vesting or expiration dates between March 1, 2027 and March 1, 2029. These awards show meaningful future equity exposure in addition to current share ownership.

No indication is given that the transaction occurred under a pre-arranged trading plan, so it appears discretionary. Given the remaining holdings and derivative awards, this looks like a moderate liquidity event rather than a transformational change in insider alignment, so the overall investment signal is neutral.

Insider Wang Chia Yuan
Role Insider
Sold 25,000 shs ($105K)
Type Security Shares Price Value
Sale Preferred shares 25,000 $4.21 $105K
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
Holdings After Transaction: Preferred shares — 168,895 shares (Direct); Restricted Stock Units — 76,817 shares (Direct)
Footnotes (1)
  1. American Depositary Receipts The price reported in Column 4 is a weighted average price. There shares were sold in multiple transactions at prices ranging from $4.22 to $4.21, 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 25,000 preferred shares Open-market sale on April 10, 2026
Sale price $4.21 per share Weighted average sale price, trades from $4.22 to $4.21
Direct holdings after sale 168,895 preferred shares Shares directly owned following transaction
RSU underlying shares (2027-03-01) 76,817 underlying preferred shares Restricted Stock Units at $3.58, vesting/expiring March 1, 2027
RSU underlying shares (2027-07-31) 184,494 underlying preferred shares Restricted Stock Units at $3.57, vesting/expiring July 31, 2027
RSU exercise price (2028 grant) $2.83 per share Restricted Stock Units expiring March 1, 2028
RSU exercise price (2029 grant) $4.04 per share Restricted Stock Units expiring March 1, 2029
Restricted Stock Units financial
"The filing also lists several Restricted Stock Unit awards over preferred-share ADRs"
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
"Restricted stock units vest on March 1, 2027 (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.
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.
open-market sale financial
"reported an open-market sale of 25,000 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.
Form 4 regulatory
"was reported on a Form 4 insider trading filing"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
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)
04/10/2026
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)04/10/2026S25,000D$4.21(2)168,895D
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. There shares were sold in multiple transactions at prices ranging from $4.22 to $4.21, 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 Wang04/14/2026
** 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 GERDAU S.A. (GGB) report for Wang Chia Yuan?

GERDAU S.A. reported that senior manager Wang Chia Yuan sold 25,000 preferred shares in an open-market transaction at a weighted average price of $4.21 per share. The sale occurred on April 10, 2026, and was reported on a Form 4 insider trading filing.

How many GERDAU S.A. preferred shares does Wang Chia Yuan hold after the sale?

After selling 25,000 preferred shares, Wang Chia Yuan directly holds 168,895 GERDAU S.A. preferred shares. This remaining stake indicates continued significant equity exposure to the company despite the recent open-market sale disclosed in the insider filing.

What price range did the GERDAU S.A. insider sale cover on April 10, 2026?

The insider sale by Wang Chia Yuan used a weighted average price of $4.21 per preferred share. Footnotes clarify the shares were sold in multiple trades, with prices ranging between $4.22 and $4.21, inclusive, during the April 10, 2026 transaction.

What Restricted Stock Units does Wang Chia Yuan hold in GERDAU S.A. (GGB)?

Wang Chia Yuan holds several Restricted Stock Unit awards over Gerdau preferred-share ADRs. These include grants with exercise prices from about $2.83 to $4.04 per share, with vesting or expiration dates on March 1, 2027, July 31, 2027, March 1, 2028, and March 1, 2029.

Does the GERDAU S.A. Form 4 show any option exercises or only a share sale?

The Form 4 shows only an open-market sale of 25,000 preferred shares by Wang Chia Yuan. It does not report any option or RSU exercises; instead, it lists existing Restricted Stock Unit positions that are scheduled to vest between 2027 and 2029 over American Depositary Receipts.

Is the GERDAU S.A. insider transaction part of a 10b5-1 trading plan?

The disclosed insider transaction for Wang Chia Yuan does not state that it was executed under a Rule 10b5-1 trading plan. The filing simply describes an open-market sale of preferred shares, without referencing any pre-arranged trading arrangement or automatic selling program.