A business in context

BLLN research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-20 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-10-13 · 0002070849-26-000074

  2. 4 · Ownership change

    Report date 2026-10-14 · 0002088549-26-000015

  3. 4 · Ownership change

    Report date 2026-10-12 · 0002070849-26-000072

  4. 4 · Ownership change

    Report date 2026-10-08 · 0002070849-26-000071

  5. 4 · Ownership change

    Report date 2026-10-05 · 0002087127-26-000015

  6. 4 · Ownership change

    Report date 2026-10-05 · 0002087126-26-000018

  7. 4 · Ownership change

    Report date 2026-09-28 · 0002088549-26-000012

  8. 4 · Ownership change

    Report date 2026-09-24 · 0002087127-26-000013

  9. 10-Q · Quarterly report

    Report date 2026-06-30 · 0002070849-26-000050

  10. 8-K · Current report

    Report date 2026-08-05 · 0002070849-26-000048 · Items 2.02,9.01

  11. 8-K · Current report

    Report date 2026-06-23 · 0002070849-26-000042 · Items 1.01,2.03,9.01

  12. 8-K · Current report

    Report date 2026-06-10 · 0002070849-26-000040 · Items 1.01,2.03,9.01

  13. 10-Q · Quarterly report

    Report date 2026-03-31 · 0002070849-26-000031

  14. 8-K · Current report

    Report date 2026-05-06 · 0002070849-26-000029 · Items 2.02,9.01

  15. DEF 14A · Proxy statement

    Report date 2026-06-10 · 0002070849-26-000024

  16. 10-K · Annual report

    Report date 2025-12-31 · 0002070849-26-000017

  17. 8-K · Current report

    Report date 2026-03-04 · 0002070849-26-000013 · Items 2.02,5.02,9.01

  18. 8-K · Current report

    Report date 2026-01-12 · 0002070849-26-000010 · Items 2.02,7.01

  19. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001628280-25-056321

  20. 8-K · Current report

    Report date 2025-12-09 · 0001628280-25-056077 · Items 2.02,5.02,9.01

  21. 8-K · Current report

    Report date 2025-11-07 · 0001193125-25-274195 · Items 5.03,8.01,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 2026 Q3: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 120 transaction rows120SGrant / award: 0 transaction rows0AExercise / conversion: 58 transaction rows58MTax / exercise payment: 0 transaction rows0FGift: 3 transaction rows3G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

201 matching transaction rows. Showing 101 to 150.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock135.0135.42
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock267.0139.21
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2431.0138.09
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock3124.0137.25
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1981.0136.42
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock44.0135.41
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock173.0133.81
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock84.0133.0
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Class A Common Stock20000.02.8
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock555.0133.81
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock269.0133.01
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Class A Common Stock6250.02.8
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Class A Common Stock6250.02.8
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock6250.0137.37
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock6250.0137.37
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock82.0139.2
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock760.0138.09
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock3125.0137.25
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1983.0136.42
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock43.0135.41
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock173.0133.81
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock84.0133.01
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock82.0139.21
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
6250.02.8
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
6250.02.8
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
20000.02.8
2026-07-31
2026-08-04
Sakakibara Shan Riku
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock4000.0140.21
2026-07-16
2026-07-20
Johnson Nancy JoAnn
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock5559.0127.89
2026-07-16
2026-07-20
Johnson Nancy JoAnn
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock906.0129.78
2026-07-16
2026-07-20
Johnson Nancy JoAnn
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock5601.0128.96
2026-07-16
2026-07-20
Johnson Nancy JoAnn
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2133.0126.98
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2415.0124.9
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock3185.0125.85
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock821.0126.89
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1138.0122.84
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2274.0123.71
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1725.0124.65
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock3835.0125.76
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1028.0126.9
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2477.0123.84
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1102.0122.9
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Class A Common Stock10000.02.8
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Class A Common Stock10000.02.8
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
10000.02.8
2026-07-13
2026-07-15
Tsao David
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
10000.02.8
2026-07-13
2026-07-15
ten Bosch John Roderick
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1417.0125.46
2026-07-13
2026-07-15
ten Bosch John Roderick
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1417.0125.46
2026-07-13
2026-07-15
ten Bosch John Roderick
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1417.0125.46
2026-07-09
2026-07-13
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock7489.0125.43
2026-07-09
2026-07-13
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2002.0126.48

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0002070849BillionToOne, Inc.

No parent relationship is available in this import; this is not proof of independence.

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names

    Revenue in constant purchasing power

    USD revenue expressed in 2026-09 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

    Year endedReported USD revenueCPI-adjusted USD revenue
    2024-12-31$152.58M$163.89M
    2023-12-31$71.73M$79.31M

    Bureau of Labor Statistics · retrieved 2026-10-20 · 9 selected series; gaps remain missing

    Explore the CPI history ↗