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EdgarHawk

Cunha Gustavo Werneck Da

CEO and Board Member

Officer

Latest: CEO and Board Member selling · May 2026

2 filings analyzed · 1 company · Latest 2026-06-15

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Companies

Company Buys Sells Direction
GERDAU S.A. GGB 1 1 Neutral

Activity

June 2026
2026-06-15 GERDAU S.A. GGB
medium
Buy
165,224 shares
$781,510
Significance 4/10

CEO Gustavo Werneck da Cunha purchases 165,224 shares of GGB at $4.73, building initial stake as stock trades near 52-week highs.

Cunha, the CEO and Board Member, acquired 165,224 shares worth $781,509.52, establishing an initial position in GGB. The purchase occurred at $4.73, close to the current price of $4.67 and within a 52-week trading range of $2.80–$4.98. While this marks a meaningful acquisition by a top executive, the transaction's significance is tempered by the CEO's prior transaction history: his one prior sale at this ticker returned -5.8% over 30 days, and his cross-ticker track record shows 1 prior sell with an average 30-day return of -5.8%. The timing of this buy does not yet have measurable outcomes. As a new position, this trade warrants monitoring for whether it reflects management's conviction about GGB's forward prospects.

May 2026
2026-05-12 GERDAU S.A. GGB
medium
Sell
432,854 shares
$2,107,999
Significance 4/10

CEO Da Cunha liquidates entire stake with same-day award and sale totaling $2.1M in shares.

Da Cunha Gustavo Werneck, the company's CEO, executed a same-day acquisition and full liquidation of stock on the filing date, disposing of approximately 433,000 shares worth roughly $2.1 million. This is his fourth open-market sale in the past three years with no open-market purchases on record — a pattern of consistent selling with no corresponding buying. The stock has rallied sharply over the past three months but remains noticeably below its 52-week high, suggesting he chose to exit near a relative peak rather than during a decline. The combination of complete stake liquidation by the CEO, combined with his exclusive history of sales rather than purchases, reflects a significant change in insider ownership position at the company.