BillionToOne, Inc.

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

BillionToOne, Inc. (BLLN), in the Healthcare sector, has 41 disclosed filings on Paydirt over the trailing twelve months from 8 corporate insiders: 3 purchases and 38 sales. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Nov 2 and filed Nov 5. The most active filer was Oguzhan Atay with 11 filings. Data as of Nov 8 2026.

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Filings, ttm

3 buys · 38 sells

Traders, ttm

8 insiders

Volume, ttmiDollar value disclosed in the window

$56.1M

estimated for Congress, as filed for insiders

Median delay

execution to disclosure

Last traded

Nov 2

Filed Nov 4

ADViAverage daily dollar volume

$67.2M

market data

Share price · 12M

$114 (+11.5%)

Adjusted for splits and dividends.

Volume by month

Buys $3.1M Sells $56.1M

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

Who filed · past 24 months

Oguzhan Atay See Remarks 11 filings · 0 buys, 11 sales JB

John Roderick ten Bosch See Remarks 10 filings · 0 buys, 10 sales DT

David Tsao Chief Technology Officer 8 filings · 0 buys, 8 sales NJ

Nancy JoAnn Johnson See Remarks 4 filings · 1 buy, 3 sales SS

Shan Riku Sakakibara Chief Product Officer 4 filings · 0 buys, 4 sales TL

Thomas P. Lynch See Remarks 2 filings · 0 buys, 2 sales TB

Thomas S Bremner Director 1 filing · 1 buy, 0 sales AR

Akshay Rai Director 1 filing · 1 buy, 0 sales

Recent filings

John Roderick ten BoschSALE SVP of Laboratory Operations $321K
2,834 sh across 2 lots
Exec Nov 2
Filed Nov 4 · 8:42 PM ET Oguzhan AtaySALE Chairman and CEO $3.2M
29,188 sh across 11 lots
Exec Nov 2
Filed Nov 4 · 8:42 PM ET David TsaoSALE Chief Technology Officer $1.9M
17,819 sh across 8 lots
Exec Nov 2
Filed Nov 4 · 8:42 PM ET Oguzhan AtaySALE Chairman and CEO $1.3M
11,000 sh across 2 lots
Exec Oct 28
Filed Oct 30 · 6:54 PM ET Oguzhan AtaySALE Chairman and CEO $879K
8,887 sh across 4 lots
Exec Oct 14
Filed Oct 16 · 7:00 PM ET Oguzhan AtaySALE Chairman and CEO $1.8M
19,334 sh across 6 lots
Exec Oct 12
Filed Oct 14 · 6:10 PM ET John Roderick ten BoschSALE SVP of Laboratory Operations $298K
2,834 sh across 2 lots
Exec Oct 5
Filed Oct 7 · 7:56 PM ET David TsaoSALE Chief Technology Officer $2.0M
18,059 sh across 6 lots
Exec Oct 5
Filed Oct 7 · 7:56 PM ET Oguzhan AtaySALE Chairman and CEO $1.3M
10,999 sh across 2 lots
Exec Sep 28
Filed Sep 30 · 8:33 PM ET David TsaoSALE Chief Technology Officer $417K
3,333 sh × $125.00
Exec Sep 24
Filed Sep 28 · 5:57 PM ET John Roderick ten BoschSALE SVP of Laboratory Operations $170K
1,416 sh × $120.00
Exec Sep 24
Filed Sep 28 · 5:56 PM ET John Roderick ten BoschSALE SVP of Laboratory Operations $151K
1,416 sh × $106.61
Exec Sep 21
Filed Sep 23 · 5:50 PM ET 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