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BLLN research notebook

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

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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 51 to 100.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2518.0100.2
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock385.099.22
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1131.0100.33
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock147.0101.41
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock576.098.89
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2997.0100.11
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock614.099.0
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Class A Common Stock1663.017.12
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock38.096.47
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock775.0100.83
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock8285.0100.12
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1944.098.97
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
3326.030.78
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
1663.017.12
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
3969.011.55
2026-09-08
2026-09-10
Lynch Thomas P.
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
11042.08.65
2026-09-08
2026-09-10
Atay OguzhanC · Conversion
Acquired
Class A Common Stock20000.00.0
2026-09-08
2026-09-10
Atay OguzhanC · Conversion
Disposed
Class B Common Stock
Derivative security
20000.00.0
2026-09-03
2026-09-08
Tsao DavidC · Conversion
Acquired
Class A Common Stock20000.00.0
2026-09-03
2026-09-08
Tsao DavidC · Conversion
Disposed
Class B Common Stock
Derivative security
20000.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Disposed
Class A Common Stock129780.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Acquired
Class A Common Stock5644.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Disposed
Class A Common Stock7980.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Disposed
Class A Common Stock24222.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Acquired
Class A Common Stock2405.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Disposed
Class A Common Stock2405.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Disposed
Class A Common Stock271028.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Acquired
Class A Common Stock38106.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Disposed
Class A Common Stock38106.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Disposed
Class A Common Stock10921.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Acquired
Class A Common Stock719.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Acquired
Class A Common Stock719.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Acquired
Class A Common Stock5761.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Acquired
Class A Common Stock1666.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Acquired
Class A Common Stock15244.00.0
2026-08-26
2026-08-28
KOLLURI KRISHNA KITTUJ · Other (see filing)
Acquired
Class A Common Stock7980.00.0
2026-08-25
2026-08-27
Tsao David
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Class A Common Stock10000.02.8
2026-08-25
2026-08-27
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock10000.0100.0
2026-08-25
2026-08-27
Tsao David
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
10000.02.8
2026-08-25
2026-08-27
ten Bosch John Roderick
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1417.0100.0
2026-08-10
2026-08-12
ten Bosch John Roderick
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1417.092.86
2026-08-10
2026-08-12
Tsao David
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock10000.092.86
2026-08-10
2026-08-12
Tsao David
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Class A Common Stock10000.02.8
2026-08-10
2026-08-12
Tsao David
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
10000.02.8
2026-08-05
2026-08-07
Atay Oguzhan
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Class A Common Stock15539.02.8
2026-08-05
2026-08-07
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock15539.0150.03
2026-08-05
2026-08-07
Atay Oguzhan
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (right to buy)
Derivative security
15539.02.8
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock762.0138.09
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock9989.0137.25
2026-08-03
2026-08-05
Atay Oguzhan
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock6354.0136.42

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 ↗