NJ
Insider
Nancy JoAnn Johnson
See RemarksNancy JoAnn Johnson (See Remarks) filed 4 Form 4 reports in the trailing twelve months (1 purchase, 3 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 $1.8M of BLLN (14,199 sh across 4 lots, as filed), executed Jul 16.
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
4
1 buys · 3 sells
Median delay
5d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$3.7M
shares × price, as filed
Last traded
Jul 16
Filed Jul 20
Median ADV $67.2M across their filed names
Open performance→Volume by month
Buys $414K
Sells $3.3M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
4 filings
Sector per market data · by filing · past 12 months
Most traded names
BLLNRecent filings
BLLNSALE
BillionToOne, Inc.
View filing →
$1.8M14,199 sh across 4 lots
Exec Jul 16
Filed Jul 20 · 7:38 PM ET BLLNSALE BillionToOne, Inc. View filing → $100K
801 sh × $124.91
Exec Jul 1
Filed Jul 6 · 8:38 PM ET BLLNSALE BillionToOne, Inc. View filing → $1.4M
13,500 sh across 5 lots
Exec Jun 8
Filed Jun 10 · 5:30 PM ET BLLNPURCHASE BillionToOne, Inc. View filing → $414K
6,900 sh × $60.00
Exec Nov 7 2025
Filed Nov 12 2025 · 6:07 PM ET