JAPUR RAFAEL DORNELES sold 4.9% of their position (5K shares) of GERDAU S.A. on the open market

Open‑market sale worth $23.8K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

JAPUR RAFAEL DORNELES

Filed: 5/26/2026ACC: 0002120466-26-000001

InsiderJAPUR RAFAEL DORNELESCIK 2120466

→

IssuerGERDAU S.A.CIK 1073404

Other

Since Mar 2026

-5K

Net shares

Net seller

$23.8K

Total sold

Open market trades

0B · 1S

Total transactions

5K disposed

Non-Derivative Transactions1

Preferred shares

Direct

S · Sale

−5K

Price / share

$4.75

Trade value

$23.75K

% of position

4.9%

5/22/2026

101.97K→96.97K

Total

Net shares

−5K

Net value

-$23.75K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Preferred shares Direct	5/22/2026	S · Sale	−5K	$4.75	$23.75K	4.9%	101.97K	96.97K
Total			−5K		-$23.75K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)6

Restricted Stock Units

Direct

Underlying security

Preferred shares

Underlying shares

15.83K

Shares owned

15.83K

Exercise price

3.65

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Preferred shares

Underlying shares

38.05K

Shares owned

38.05K

Exercise price

3.8

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Preferred shares

Underlying shares

29.93K

Shares owned

29.93K

Exercise price

4.15

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Preferred shares

Underlying shares

81.11K

Shares owned

81.11K

Exercise price

4.15

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Preferred shares

Underlying shares

46.63K

Shares owned

46.63K

Exercise price

3.89

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Preferred shares

Underlying shares

8.92K

Shares owned

8.92K

Exercise price

3.89

Expiration

—

Exercise window

—

Total

Underlying

220.47K

Owned

220.47K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Restricted Stock Units Direct	Preferred shares	3.65	—	—	15.83K	15.83K
Restricted Stock Units Direct	Preferred shares	3.8	—	—	38.05K	38.05K
Restricted Stock Units Direct	Preferred shares	4.15	—	—	29.93K	29.93K
Restricted Stock Units Direct	Preferred shares	4.15	—	—	81.11K	81.11K
Restricted Stock Units Direct	Preferred shares	3.89	—	—	46.63K	46.63K
Restricted Stock Units Direct	Preferred shares	3.89	—	—	8.92K	8.92K
Total					220.47K	220.47K