David Tsao

BLLN

David Tsao serves as Chief Technology Officer at BillionToOne, Inc. (BLLN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$60.0K

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$60.0K

Companies Traded

BLLN

Active Period

Nov 2025

1 total trades

Most Recent

Buy BLLN

Nov 7, 2025 · $60.0K

David Tsao's Insider Trading at BillionToOne, Inc. (BLLN)

Buys

1 · $60.0K

Sells

0 · $0.00

Total Shares Bought

1,000

Total Shares Sold

BLLN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Nov 7, 2025	Buy	1,000	$60.00	$60.0K	0

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