Gerdau board member reports RSU and share holdings

GERDAU S.A. independent board member Alberto Fernandes reported his initial equity interests, focusing on restricted stock units (RSUs) tied to preferred shares.

Rhea-AI Filing Summary

GERDAU S.A. independent board member Alberto Fernandes reported his initial equity interests, focusing on restricted stock units (RSUs) tied to preferred shares. He holds RSUs convertible into 6,577, 7,352 and 6,917 preferred shares at exercise prices of R$19.50, R$18.32 and R$20.83, vesting on February 12, 2027, 2028 and 2029, respectively. He also directly owns 5,234 preferred shares. These entries reflect existing holdings and vesting schedules rather than new open-market purchases or sales.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Fernandes Alberto

Role Insider

Type	Security	Shares	Price	Value
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Preferred shares	--	--	--

Holdings After Transaction: Restricted Stock Units — 20,846 contracts (Direct); Preferred shares — 5,234 shares (Direct)

Footnotes (3)

1. F1. Restricted stock units vest on February 12, 2027. Exercise price denominated in Brazilian reais (R$).
2. F2. Restricted stock units vest on February 12, 2028. Exercise price denominated in Brazilian reais (R$).
3. F3. Restricted stock units vest on February 12, 2029. Exercise price denominated in Brazilian reais (R$).

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider positions did Alberto Fernandes report in GERDAU S.A. (GGB)?

Alberto Fernandes reported RSUs linked to preferred shares and direct share ownership. He holds RSUs for 6,577, 7,352 and 6,917 preferred shares plus 5,234 preferred shares directly, giving him equity exposure as an independent board member.

How many GERDAU (GGB) preferred shares underlie Alberto Fernandes’ RSUs?

His RSUs are linked to 6,577, 7,352 and 6,917 underlying preferred shares. These three grants together represent multiple future equity tranches, each becoming deliverable upon vesting on specified February 12 dates in 2027, 2028 and 2029.

What are the exercise prices of Alberto Fernandes’ RSUs in GERDAU (GGB)?

The RSUs reference exercise prices of R$19.50, R$18.32 and R$20.83. These values are denominated in Brazilian reais and apply to the respective RSU awards that vest in 2027, 2028 and 2029, as noted in the accompanying footnotes.

When do Alberto Fernandes’ GERDAU (GGB) RSUs vest?

His RSUs vest on February 12 in three consecutive years: 2027, 2028 and 2029. Each vesting date applies to a separate RSU grant with its own exercise price and underlying number of preferred shares in GERDAU S.A.

Did Alberto Fernandes buy or sell GERDAU (GGB) shares in this disclosure?

The disclosure lists existing RSUs and direct preferred share holdings, not open-market trades. It shows his equity position and vesting schedule as an independent board member, without recording explicit purchases or sales in the reported data.

How many GERDAU (GGB) preferred shares does Alberto Fernandes own directly?

He directly holds 5,234 preferred shares. This direct ownership is separate from his restricted stock units, which represent additional potential preferred shares that may be delivered upon future vesting events and any required settlement conditions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/18/2026 - 09:15 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Fernandes Alberto

(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. Date of Event Requiring Statement (Month/Day/Year)
03/17/2026

3. Issuer Name and Ticker or Trading Symbol
GERDAU S.A. [ GGB ]

3a. Foreign Trading Symbol
[GGBR]

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			Independent Board Member

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Preferred shares	5,234	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	02/12/2027	Preferred shares	6,577	$19.5	D
Restricted Stock Units	(2)	02/12/2028	Preferred shares	7,352	$18.32	D
Restricted Stock Units	(3)	02/12/2029	Preferred shares	6,917	$20.83	D

Explanation of Responses:

1. Restricted stock units vest on February 12, 2027. Exercise price denominated in Brazilian reais (R$).

2. Restricted stock units vest on February 12, 2028. Exercise price denominated in Brazilian reais (R$).

3. Restricted stock units vest on February 12, 2029. Exercise price denominated in Brazilian reais (R$).

	Alberto Fernandes	03/17/2026
	** 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 5 (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 3: SEC 1473 (03-26)