Gerdau (GGB) EVP sells 2,000 shares, holds RSU awards

Rhea-AI Filing Summary

GERDAU S.A. Executive Vice President Mauricio Metz reported an open-market sale of 2,000 preferred shares on May 5, 2026 at $4.69 per share, with the price translated from Brazilian reais into U.S. dollars.

After this sale, Metz directly holds 39,536 preferred shares. He also holds restricted stock units over preferred shares, including 6,683 underlying shares at $4.14 expiring on February 12, 2029, 6,332 at $3.64 expiring on February 12, 2028, and blocks of 32,280 and 4,060 underlying shares at $3.88 expiring on February 22, 2027 and February 12, 2027.

Insider Trade Summary

Net Seller: 2,000 shares ($9,380)

Net Sell 5 txns

Insider Metz Mauricio

Role null

Sold 2,000 shs ($9K)

Type	Security	Shares	Price	Value
Sale	Preferred shares	2,000	$4.69	$9K
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--

Holdings After Transaction: Preferred shares — 39,536 shares (Direct, null); Restricted Stock Units — 4,060 shares (Direct, null)

Footnotes (1)

1. The price is denominated in Brazilian reais and has been translated into U.S. dollars at the May 05, 2026 selling rate of R$4.9242 per US$1.00, as reported by the Central Bank of Brazil. The price is denominated in Brazilian reais and has been translated into U.S. dollars at the April 10, 2026 selling rate of R$5.0229 per US$1.00, as reported by the Central Bank of Brazil.

Key Figures

Shares sold: 2,000 shares Sale price: $4.69 per share Shares held after sale: 39,536 shares +4 more

7 metrics

Shares sold 2,000 shares Open-market sale of preferred shares on May 5, 2026

Sale price $4.69 per share Preferred share sale on May 5, 2026

Shares held after sale 39,536 shares Direct preferred share holdings following transaction

RSU underlying shares (2029) 6,683 shares at $4.14 Restricted stock units expiring February 12, 2029

RSU underlying shares (2028) 6,332 shares at $3.64 Restricted stock units expiring February 12, 2028

RSU underlying shares (2027 grant 1) 32,280 shares at $3.88 Restricted stock units expiring February 22, 2027

RSU underlying shares (2027 grant 2) 4,060 shares at $3.88 Restricted stock units expiring February 12, 2027

Key Terms

Restricted Stock Units, Preferred shares, open-market sale, exercise price, +1 more

5 terms

Restricted Stock Units financial

"security_title: Restricted Stock Units; underlying_security_title: 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.

Preferred shares financial

"security_title: Preferred shares; underlying_security_title: Preferred shares"

Preferred shares are a type of investment that gives investors priority over common shareholders when it comes to receiving dividends and getting their money back if a company is sold or liquidated. Think of them as a safer, more predictable way to earn income from a company's profits, similar to a fixed-return investment, but without voting rights. This makes preferred shares appealing to those seeking stable income with a higher claim on assets than regular stockholders.

open-market sale financial

"transaction_action: open-market sale; transaction_code_description: Sale in open market or private transaction"

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.

exercise price financial

"conversion_or_exercise_price: 4.1400; 3.6400; 3.8800"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

expiration date financial

"expiration_date: 2029-02-12T00:00:00.000Z; 2028-02-12T00:00:00.000Z"

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED 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^*

Metz Mauricio

(Last) (First) (Middle)

AVENUE DOUTORA RUTH DE CARDOSO, 8501

8TH FLOOR, PINHEIROS

(Street)

SAO PAULO SAO PAULO 05425-070

(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)

	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			Executive Vice President

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)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Preferred shares	05/05/2026		S		2,000	D	$4.69(1)	39,536	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	$3.88(2)							02/12/2027	02/12/2027	Preferred shares	4,060		4,060	D
Restricted Stock Units	$3.88(2)							02/22/2027	02/22/2027	Preferred shares	32,280		32,280	D
Restricted Stock Units	$3.64(2)							02/12/2028	02/12/2028	Preferred shares	6,332		6,332	D
Restricted Stock Units	$4.14(2)							02/12/2029	02/12/2029	Preferred shares	6,683		6,683	D

Explanation of Responses:

1. The price is denominated in Brazilian reais and has been translated into U.S. dollars at the May 05, 2026 selling rate of R$4.9242 per US$1.00, as reported by the Central Bank of Brazil.

2. The price is denominated in Brazilian reais and has been translated into U.S. dollars at the April 10, 2026 selling rate of R$5.0229 per US$1.00, as reported by the Central Bank of Brazil.

	/s/ Mauricio Metz	05/08/2026
	** Signature of Reporting Person	Date
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 Mauricio Metz report at GERDAU S.A. (GGB)?

Mauricio Metz reported an open-market sale of 2,000 preferred shares at $4.69 per share on May 5, 2026. After this transaction, he directly holds 39,536 preferred shares, according to the Form 4 insider filing.

How many GERDAU (GGB) preferred shares does Mauricio Metz hold after this Form 4?

After the reported sale, Mauricio Metz directly holds 39,536 preferred shares of GERDAU S.A. This figure comes from the Form 4 and reflects his post-transaction non-derivative holdings as of the May 5, 2026 trade date.

Did Mauricio Metz buy or sell GERDAU (GGB) shares in this filing?

In this filing, Mauricio Metz sold 2,000 preferred shares in an open-market transaction at $4.69 per share. The Form 4 classifies the move with transaction code “S,” indicating a sale in the market or a private transaction.

What restricted stock units does Mauricio Metz hold related to GERDAU (GGB) preferred shares?

Metz holds several restricted stock unit awards over preferred shares, including 6,683 underlying shares at $4.14, 6,332 at $3.64, and 32,280 plus 4,060 at $3.88. These awards have expiration dates in 2027, 2028, and 2029.

When do Mauricio Metz’s GERDAU (GGB) restricted stock units expire?

His restricted stock units tied to preferred shares have expiration dates of February 12, 2027, February 22, 2027, February 12, 2028, and February 12, 2029. Each block is associated with a specific exercise price disclosed in the filing.