Gerdau (GGB) independent board member reports equity and RSU holdings

Rhea-AI Filing Summary

GERDAU S.A. independent board member Claudia Sender Ramirez filed an initial ownership report showing both direct shareholdings and equity awards tied to preferred shares. She reports holding 21,108 preferred shares directly.

She also holds restricted stock units linked to 6,577 underlying preferred shares at an exercise price of R$19.5000 vesting on February 12, 2027, 7,352 underlying preferred shares at R$18.3200 vesting on February 12, 2028, and 6,917 underlying preferred shares at R$20.8300 vesting on February 12, 2029. These positions represent existing holdings rather than new open‑market purchases or sales.

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

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1. Name and Address of Reporting Person^*

Ramirez Claudia Sender

(Last) (First) (Middle)

AVENIDA DRA. RUTH CARDOSO, 8.501

30ANDAR (PARTE), ELDORADO BUSINESS TOWER

(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	21,108	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$).

	Claudia Sender Ramirez	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)

FAQ

What does Gerdau (GGB) independent board member Claudia Sender Ramirez report owning?

She reports direct ownership of 21,108 preferred shares of GERDAU S.A. and several restricted stock unit awards tied to additional preferred shares, reflecting her equity-based alignment with the company’s performance.

Are there any buy or sell transactions in this Gerdau (GGB) Form 3?

No, this Form 3 shows holdings only, with no reported open‑market share purchases or sales. It establishes Claudia Sender Ramirez’s starting equity position as an independent board member of GERDAU S.A.

What restricted stock units does Claudia Sender Ramirez hold in Gerdau (GGB)?

She holds restricted stock units linked to 6,577, 7,352, and 6,917 underlying preferred shares, each with specified exercise prices in Brazilian reais and future vesting dates in 2027, 2028, and 2029.

When do the Gerdau (GGB) restricted stock units reported here vest?

The restricted stock units vest on February 12, 2027, February 12, 2028, and February 12, 2029, respectively, indicating a multi‑year equity incentive structure for the independent board member.

In what currency are the Gerdau (GGB) restricted stock unit exercise prices denominated?

The exercise prices for the restricted stock units are denominated in Brazilian reais (R$), matching GERDAU S.A.’s home market currency and aligning the equity awards with the company’s local share pricing.