Oguzhan Atay

BLLN CEO Atay sold 12,500 shares for $1.6M via scheduled 10b5-1 plan; retains 575,000 option shares.

Oguzhan Atay executed 4 separate sales totaling 12,500 shares for $1,576,275.72 on 2026-07-09, priced between $125.43 and $128.23 per share. This transaction was scheduled under a 10b5-1 trading plan adopted 2026-03-06, not a discretionary trade. The current stock price of $123.25 sits 11.1% below the 52-week high of $138.70, yet the 30-day change shows +21.9% and 90-day change shows +48.9%. Notably, Atay retains 575,000 option shares post-transaction, meaning the underlying economic position remains substantial. His prior 5 trades at BLLN (all on 2026-06-08) each showed positive 30-day outcomes ranging from 19.6% to 27.3%, suggesting the stock has moved favorably after his prior sales at this ticker. The company posts strong fundamentals: annual revenue growth of +100.0%, net income of $17,970,000 on revenue of $108,388,000, and a market cap of $1,377,746,057.75.

BLLN CEO Oguzhan Atay sold 38,750 shares for $4,729,379.10 via 28 separate transactions on 2026-07-06 under 10b5-1 plan; retains 175,000 shares plus 1,181,250 options.

Oguzhan Atay, Chairman and CEO of BillionToOne, executed 28 separate sales totaling 38,750 shares for $4,729,379.10 on 2026-07-06, reducing his non-derivative holdings to 175,000 shares from 213,750 shares. This transaction was executed under a pre-arranged 10b5-1 trading plan adopted on 2026-03-06, making it scheduled rather than discretionary. The blended average price across all sales was $122.05, while the current price stands at $120.60 and the stock has risen +27.7% over the 30-day window and +46.2% over 90 days. The insider retains 1,181,250 shares through derivative holdings (593,750 stock options and 587,500 stock options), indicating his economic exposure to BLLN remains substantial despite the sale of common shares.

Oguzhan Atay sells 38,750 shares for $3,791,445.43 via 10b5-1 plan; retains 187,500 non-derivative shares plus options/Class B holdings

Oguzhan Atay executed 10 separate sales totaling 38,750 shares for $3,791,445.43 on 2026-06-08 under a pre-arranged 10b5-1 trading plan adopted on 2026-03-06. This represents a -17.1% reduction in non-derivative holdings, bringing post-transaction shares to 187,500. However, the insider retains significant derivative exposure through 620,000 stock options, 613,750 stock options, and 2,217,542 Class B Common Stock shares. The stock has appreciated +55.0% over the past 90 days and trades at $99.26, down -28.4% from its 52-week high of $138.70. With the company posting 100% annual revenue growth and a market cap of $1,109,574,634.42, the scheduled nature of this trade under a pre-arranged 10b5-1 plan means the sale reflects automatic execution rather than discretionary conviction or timing judgment.