Key Points The transaction involved 30,331 shares executed at a weighted average price of $99.91 per share on September 14, 2026. The shares traded in this filing represented 100% of the insider's directly-held equity stake, and a portion belonging to his spouse. The disposition included 24,999 shares acquired through an option exercise and 5,332 shares held indirectly by the reporting person's spouse. 10 stocks we like better than BillionToOne › Oguzhan Atay, Chairman and Chief Executive Officer of BillionToOne, Inc. (NASDAQ:BLLN) , sold 30,331 shares of Class A Common Stock on September 14, 2026, for a total value of ~$3 million, as disclosed in a recent SEC Form 4 filing .
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