Oguzhan Atay

BLLN

Oguzhan Atay serves as director, officer: Chairman and CEO at BillionToOne, Inc. (BLLN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

4 trades

$5.54M

Net Position

Net Seller

$5.54M

Companies Traded

BLLN

Active Period

Sep 2026 – Oct 2026

4 total trades

Most Recent

Sell BLLN

Oct 30, 2026 · $1.30M

Oguzhan Atay's Insider Trading at BillionToOne, Inc. (BLLN)

Buys

0 · $0.00

Sells

4 · $5.54M

Total Shares Bought

Total Shares Sold

52,333

BLLN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Oct 30, 2026	Sell	11,000	$118.00	$1.30M	146,501
Oct 16, 2026	Sell	11,000	$99.14	$1.09M	149,168
Oct 14, 2026	Sell	19,334	$94.31	$1.82M	151,835
Sep 30, 2026	Sell	10,999	$120.64	$1.33M	154,502