Lynch Thomas P. Insider Trades & Stock Holdings

General Counsel, Chief Compliance Officer and Secretary · BillionToOne, Inc. · Latest filing Sep 17, 2026

Lynch Thomas P., General Counsel, Chief Compliance Officer and Secretary at BillionToOne, Inc. has 1 Form 4 trade on file since Sep 17, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($3.87M), net -$3.87M. Latest filing: disposed of 35.11K shares of $BLLN on Sep 17, 2026 at $110.33.

Trades on file

1

Open-market bought

$0

Open-market sold

$3.87M

Net open-market

-$3.87M

Latest filing

Sep 17, 2026

All insider trades by Lynch Thomas P.

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Sep 17, 2026	$BLLN	Sell (Open-market sale) 10b5-1	35.11K	$110.33	$3.87M			+12.9%			General Counsel, Chief Compliance Officer and Secretary		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Lynch Thomas P. traded

• $BLLN

Frequently asked questions

Has Lynch Thomas P. been buying or selling stock?

Lynch Thomas P. has 0 open-market purchases and 1 open-market sale on file, net -$3.87M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Lynch Thomas P.'s latest insider trade?

disposed of 35.11K shares of $BLLN on Sep 17, 2026 at $110.33.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.