TB
Insider
Thomas S Bremner
DirectorThomas 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.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
-3.7%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+7.9%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
3d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$2.5M
shares × price, as filed
Last traded
Nov 7 2025
Filed Nov 10 2025
Median ADV $67.2M across their filed names
Open performance→Volume by month
Buys $2.5M
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
1 filing
Sector per market data · by filing · past 12 months
Most traded names
BLLNRecent filings
BLLNPURCHASE
BillionToOne, Inc.
View filing →
$2.5M41,666 sh across 6 lots
Exec Nov 7 2025
Filed Nov 10 2025 · 9:38 PM ET