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INSIDER · CIK 2088549

Atay Oguzhan

Chairman and CEO, Director at BillionToOne, Inc. (BLLN)

↗14 Form 4 rows in the window

Covers original filings from Aug 1, 2026 to Oct 29, 2026. Older trades and amendments are in the SEC history.

$0.00Bought on the market
$15.8MSold on the market
1Companies
Oct 16, 2026Latest filing
Form 4 trades by Atay Oguzhan
CompanyTitleTypeOwned
Oct 16, 202619:00Oct 15, 2026from Oct 14, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorS · Sell10b5-1$99.14−11,0000-100%−$1.1M
Oct 16, 202619:00Oct 15, 2026from Oct 14, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorM · Exercise10b5-1$2.80+8,3335,150—$23K
Oct 14, 202618:10Oct 12, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorS · Sell10b5-1$94.31−19,3340-100%−$1.8M
Oct 14, 202618:10Oct 12, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorM · Exercise10b5-1$2.80+16,66716,667New$47K
Sep 30, 202620:33Sep 28, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorS · Sell10b5-1$120.64−10,9990-100%−$1.3M
Sep 30, 202620:33Sep 28, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorM · Exercise10b5-1$2.80+8,3338,333New$23K
Sep 16, 202618:43Sep 14, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorS · Sell10b5-1$99.91−30,3310-100%−$3.0M
Sep 16, 202618:43Sep 14, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorM · Exercise10b5-1$2.80+24,99924,999New$70K
Sep 10, 202619:44Sep 9, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorG · Gift—−20,0000-100%—
Sep 10, 202619:44Sep 8, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorC · Convert—+20,00020,000New—
Aug 7, 202616:02Aug 5, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorS · Sell10b5-1$150.03−15,5390-100%−$2.3M
Aug 7, 202616:02Aug 5, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorM · Exercise10b5-1$2.80+15,53915,539New$44K
Aug 5, 202620:52Aug 3, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorS · Sell10b5-1$137.07−45,0000-100%−$6.2M
Aug 5, 202620:52Aug 3, 2026BLLNBillionToOne, Inc.Chairman and CEO, DirectorM · Exercise10b5-1$2.80+32,50032,500New$91K
Atay Oguzhan Insider Trades (BLLN) | Shameless Cloning