Skip to main content

Sakakibara Shan Riku's Form 4 filing

BillionToOne, Inc. (BLLN) · filed Jun 10, 2026

Accession no.
0002088547-26-000002
Filed
Jun 10, 2026
Trade date
Jun 8, 2026
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 2 non-derivative transactions. Open-market sales total $785.8K. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Sakakibara Shan RikuCIK 0002088547Officer (Chief Product Officer)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jun 8, 2026Class A Common StockSSaleDisposed−4,000$96.45−$385,800216,000Direct
Jun 8, 2026Class A Common StockSSaleDisposed−4,000$100.00−$400,000212,000Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

No transaction price on this filing refers to a footnote.

Read the full filing on SEC EDGAR (opens in a new tab)