Director, Chief Technology Officer · BillionToOne, Inc. · BillionToOne, Inc. — Stock Option (right to buy)
Side
M
Value
$28K
Shares
10.0K
Price
$2.8
Executed
Jun 15, 2026
Disclosed
Jun 17, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Jun 15 executedJun 17, 2026 disclosed
BLLN · daily
Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.
Option exercise — administrative, little informational value
Relative size+1 / 25
$28K reported value · 1.6% of prior position
Filing timing0 / 15
Disclosed 2 business days after execution (deadline: 2)
Historical behavior+8 / 15
First recorded trade by this actor in this security
Frequency & clustering0 / 15
No clustered activity in the dataset
Market events0 / 10
No material company filing within 60 days after the trade
Pre-arranged plan-10
Executed under a Rule 10b5-1 trading plan
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
Tsao David filed this Form 4 reporting a option exercise of BLLN on Jun 15, 2026. It became public on Jun 17, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
Extraction
Method
Form 4 XML
Confidence
1.00
Director, Chief Technology Officer
Tsao Davidcik:0002087127
Issuer
BillionToOne, Inc.cik:0002070849
Revision history · 0
No field has changed since this record was first ingested.
