BillionToOne, Inc.

BLLNReported to SECin USCIK 0002070849Filings at SEC EDGAR

No score on this page, by design. Everything here is a fact from a public U.S. register: insider filings at the SEC (Form 4), lobbying filings under the Lobbying Disclosure Act, trades reported by members of Congress under the STOCK Act, and fund holdings in 13F filings. Our scores, percentiles and signals run on the Dutch register only, because that is the only register the model has been validated on.

This page is free to read, and it stops after 5 rows. Those are the 5 most recent Form 4 lines at this company, out of 185. Reading the whole list, and the full version of each filer's page, is part of the subscription. What that costs is on the pricing page. Already subscribed? Sign in and this page opens in full.

The most recent filings

Most recent filing first: every line of every Form 4 at this company that passed our review, the same lines as on the register. Reported is the day the filing reached the SEC, usually within two business days of the trade. Amounts are in U.S. dollars, as the form states them.

5 of 185
Form 4 lines at BillionToOne, Inc., most recent filing first
Filed byTypeValueReportedFiled byValueTypeSharesReported
Atay OguzhanChairman and CEOOption exercise$23,3328,333 sharesSep 30, 2026Atay OguzhanChairman and CEO$23,332Exercise · Sep 30Option exercise8,333Sep 30, 2026
Atay OguzhanChairman and CEOOpen-market sell$321,6262,666 sharesSep 30, 2026Atay OguzhanChairman and CEO$321,626Sell · Sep 30Open-market sell2,666Sep 30, 2026
Atay OguzhanChairman and CEOOpen-market sell$1,005,2938,333 sharesSep 30, 2026Atay OguzhanChairman and CEO$1,005,293Sell · Sep 30Open-market sell8,333Sep 30, 2026
Atay OguzhanChairman and CEOOption exercise$23,3328,333 sharesSep 30, 2026Atay OguzhanChairman and CEO$23,332Exercise · Sep 30Option exercise8,333Sep 30, 2026
Tsao DavidChief Technology OfficerOption exercise$9,3323,333 sharesSep 28, 2026Tsao DavidChief Technology Officer$9,332Exercise · Sep 28Option exercise3,333Sep 28, 2026