Gerdau (NYSE: GGB) CFO files Form 3 detailing share and RSU holdings

Rhea-AI Filing Summary

GERDAU S.A. executive Japur Rafael Dorneles, VP, CFO and Investor Relations Officer, filed an initial ownership report listing his equity position in the company. He reports direct ownership of 101,967 preferred shares and several restricted stock unit awards over preferred shares, with exercise prices denominated in Brazilian reais and vesting on dates from February 12, 2027 through February 25, 2029.

Insider Trade Summary

7 transactions reported

Mixed 7 txns

Insider Japur Rafael Dorneles

Role Insider

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

Holdings After Transaction: Restricted Stock Units — 8,923 shares (Direct); Preferred shares — 101,967 shares (Direct)

Footnotes (1)

1. Restricted stock units vest on February 12, 2027. Exercise price denominated in Brazilian reais (R$). Restricted stock units vest on February 22, 2027. Exercise price denominated in Brazilian reais (R$). Restricted stock units vest on August 1, 2027. Exercise price denominated in Brazilian reais (R$). Restricted stock units vest on February 12, 2028. Exercise price denominated in Brazilian reais (R$). Restricted stock units vest on February 12, 2029. Exercise price denominated in Brazilian reais (R$). Restricted stock units vest on February 25, 2029. Exercise price denominated in Brazilian reais (R$).

Understanding Insider Trading Forms →

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
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hours per response:			0.5

1. Name and Address of Reporting Person^*

Japur Rafael Dorneles

(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)
			VP, CFO and IR Officer

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	101,967	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	8,923	$19.5	D
Restricted Stock Units	(2)	02/22/2027	Preferred shares	46,634	$19.5	D
Restricted Stock Units	(3)	08/01/2027	Preferred shares	38,047	$19.06	D
Restricted Stock Units	(4)	02/12/2028	Preferred shares	15,830	$18.32	D
Restricted Stock Units	(5)	02/12/2029	Preferred shares	29,933	$20.83	D
Restricted Stock Units	(6)	02/25/2029	Preferred shares	81,108	$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 22, 2027. Exercise price denominated in Brazilian reais (R$).

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

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

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

6. Restricted stock units vest on February 25, 2029. Exercise price denominated in Brazilian reais (R$).

	Rafael Dorneles Japur	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) CFO Japur Rafael Dorneles report in this Form 3?

He reports his initial equity holdings in Gerdau, including 101,967 preferred shares held directly and several restricted stock unit awards over preferred shares that vest between February 2027 and February 2029, with exercise prices stated in Brazilian reais.

How many Gerdau (GGB) preferred shares does the CFO hold directly?

The filing shows direct ownership of 101,967 preferred shares by Japur Rafael Dorneles. This position is in addition to multiple restricted stock unit awards linked to preferred shares that are scheduled to vest on various dates from 2027 through 2029.

What restricted stock units are disclosed for Gerdau (GGB) CFO in this Form 3?

The report lists several restricted stock unit awards over preferred shares, each with a specified exercise price in Brazilian reais and underlying share amounts such as 8,923, 46,634 and 38,047 preferred shares, with vesting dates ranging from February 12, 2027 to February 25, 2029.

When do the Gerdau (GGB) CFO’s restricted stock units vest?

Footnotes state the restricted stock units vest on specific dates: February 12, 2027, February 22, 2027, August 1, 2027, February 12, 2028, February 12, 2029 and February 25, 2029, providing a multi-year vesting schedule for these equity awards.

In what currency are Gerdau (GGB) CFO’s RSU exercise prices denominated?

The filing explains that the exercise prices for the restricted stock units are denominated in Brazilian reais, noted as R$. This reflects Gerdau’s home-country currency and applies to the various RSU awards over preferred shares disclosed for Japur Rafael Dorneles.