Thomas S Bremner bought $2.5M of BillionToOne (BLLN)
Executed Nov 7 2025, disclosed Nov 11 2025, 3 days later.
Over the 21 trading sessions from the disclosed entry session (Nov 10 2025), the stock returned +7.9% (delay-adjusted); from the execution session (Nov 7 2025), -3.7%. Derived: entry at the session's open, exit at the close 20 sessions later.
Thomas S Bremner (Director) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales), most often in BillionToOne, Inc. (BLLN). Across 1 priced purchase filing, the average 21-session return was -3.7% from execution and +7.9% from disclosure (delay-adjusted; derived). The largest single filing was $2.5M of BLLN (41,666 sh across 6 lots, as filed), executed Nov 7 2025.
Healthcare · BillionToOne, Inc., a precision diagnostics company, quantifies biology to create molecular diagnostics
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