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BLLN
Ticker

BillionToOne, Inc.

BLLN · Healthcare · BillionToOne, Inc., a precision diagnostics company, quantifies biology to create molecular diagnostics

BillionToOne, Inc. (BLLN), in the Healthcare sector, has 28 disclosed filings on Paydirt over the trailing twelve months from 8 corporate insiders: 3 purchases and 25 sales. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Sep 17 and filed Sep 21. The most active filer was Oguzhan Atay with 6 filings.

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Filings, ttm
28
3 buys · 25 sells
Traders, ttm
8
8 insiders
Volume, ttmiDollar value disclosed in the window
$45.4M
estimated for Congress, as filed for insiders
Median delay
2d
execution to disclosure
Last traded
Sep 17
Filed yesterday
ADViAverage daily dollar volume
$67.2M
market data
Share price · 12M
$104 (-4.7%)
$150$107$64.03Nov 6 2025Apr 16Sep 21

Adjusted for splits and dividends.

Volume by month
$11.7M$5.8M$0Oct 2024Apr 2025Oct 2025Apr 2026Nov 2025 · buys $3.1MJun 2026 · sells $8.9MJul 2026 · sells $11.7MAug 2026 · sells $11.0MSep 2026 · sells $10.7M
Buys $3.1M Sells $42.3M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed
OA Oguzhan Atay See Remarks 6 filings JB John Roderick ten Bosch See Remarks 6 filings DT David Tsao Chief Technology Officer 5 filings NJ Nancy JoAnn Johnson See Remarks 4 filings SS Shan Riku Sakakibara Chief Product Officer 4 filings TB Thomas S Bremner Director 1 filing TL Thomas P. Lynch See Remarks 1 filing AR Akshay Rai Director 1 filing
Recent filings
Thomas P. LynchSALE See Remarks $3.9M
35,112 sh across 4 lots
Exec Sep 17
Filed Sep 21 · 7:00 PM ET
Oguzhan AtaySALE Chairman and CEO $3.0M
30,331 sh across 10 lots
Exec Sep 14
Filed Sep 16 · 6:43 PM ET
John Roderick ten BoschSALE SVP of Laboratory Operations $138K
1,416 sh × $97.54
Exec Sep 9
Filed Sep 11 · 6:01 PM ET
David TsaoSALE Chief Technology Officer $2.0M
20,000 sh across 2 lots
Exec Sep 9
Filed Sep 11 · 6:01 PM ET
Thomas P. LynchSALE See Remarks $1.7M
16,875 sh across 5 lots
Exec Sep 8
Filed Sep 10 · 7:44 PM ET
David TsaoSALE Chief Technology Officer $1.0M
10,000 sh × $100.00
Exec Aug 25
Filed Aug 27 · 8:19 PM ET
John Roderick ten BoschSALE SVP of Laboratory Operations $142K
1,417 sh × $100.00
Exec Aug 25
Filed Aug 27 · 8:19 PM ET
John Roderick ten BoschSALE SVP of Laboratory Operations $132K
1,417 sh × $92.86
Exec Aug 10
Filed Aug 12 · 6:55 PM ET
David TsaoSALE Chief Technology Officer $929K
10,000 sh × $92.86
Exec Aug 10
Filed Aug 12 · 6:51 PM ET
Oguzhan AtaySALE Chairman and CEO $2.3M
15,539 sh × $150.03
Exec Aug 5
Filed Aug 7 · 4:02 PM ET
Oguzhan AtaySALE Chairman and CEO $5.9M
43,009 sh across 11 lots
Exec Aug 3
Filed Aug 5 · 8:52 PM ET
Shan Riku SakakibaraSALE Chief Product Officer $561K
4,000 sh × $140.21
Exec Jul 31
Filed Aug 4 · 4:32 PM ET
Nancy JoAnn JohnsonSALE See Remarks $1.8M
14,199 sh across 4 lots
Exec Jul 16
Filed Jul 20 · 7:38 PM ET
John Roderick ten BoschSALE SVP of Laboratory Operations $533K
4,251 sh across 3 lots
Exec Jul 13
Filed Jul 15 · 4:38 PM ET
David TsaoSALE Chief Technology Officer $2.5M
20,000 sh across 10 lots
Exec Jul 13
Filed Jul 15 · 4:38 PM ET
Oguzhan AtaySALE Chairman and CEO $1.5M
12,148 sh across 3 lots
Exec Jul 9
Filed Jul 13 · 4:39 PM ET
Shan Riku SakakibaraSALE Chief Product Officer $978K
7,826 sh across 4 lots
Exec Jul 9
Filed Jul 13 · 4:39 PM ET
Oguzhan AtaySALE Chairman and CEO $4.1M
33,260 sh across 15 lots
Exec Jul 6
Filed Jul 8 · 7:06 PM ET
Nancy JoAnn JohnsonSALE See Remarks $100K
801 sh × $124.91
Exec Jul 1
Filed Jul 6 · 8:38 PM ET
John Roderick ten BoschSALE SVP of Laboratory Operations $170K
1,416 sh × $120.00
Exec Jun 29
Filed Jul 1 · 4:23 PM ET
Shan Riku SakakibaraSALE Chief Product Officer $880K
8,000 sh across 2 lots
Exec Jun 24
Filed Jun 26 · 5:30 PM ET
David TsaoSALE Chief Technology Officer $1.9M
18,607 sh across 8 lots
Exec Jun 15
Filed Jun 17 · 5:30 PM ET
John Roderick ten BoschSALE See Remarks $287K
2,832 sh across 2 lots
Exec Jun 15
Filed Jun 17 · 5:30 PM ET
Oguzhan AtaySALE See Remarks $3.7M
38,115 sh across 8 lots
Exec Jun 8
Filed Jun 10 · 5:30 PM ET
Nancy JoAnn JohnsonSALE See Remarks $1.4M
13,500 sh across 5 lots
Exec Jun 8
Filed Jun 10 · 5:30 PM ET