A business in context

BLLN research notebook

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

Filing timeline

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

2026-10-19
4 · Ownership change
Report date 2026-10-13 · 0002070849-26-000074
2026-10-16
4 · Ownership change
Report date 2026-10-14 · 0002088549-26-000015
2026-10-14
4 · Ownership change
Report date 2026-10-12 · 0002070849-26-000072
2026-10-13
4 · Ownership change
Report date 2026-10-08 · 0002070849-26-000071
2026-10-07
4 · Ownership change
Report date 2026-10-05 · 0002087127-26-000015
2026-10-07
4 · Ownership change
Report date 2026-10-05 · 0002087126-26-000018
2026-09-30
4 · Ownership change
Report date 2026-09-28 · 0002088549-26-000012
2026-09-28
4 · Ownership change
Report date 2026-09-24 · 0002087127-26-000013
2026-08-05
10-Q · Quarterly report
Report date 2026-06-30 · 0002070849-26-000050
2026-08-05
8-K · Current report
Report date 2026-08-05 · 0002070849-26-000048 · Items 2.02,9.01
2026-06-29
8-K · Current report
Report date 2026-06-23 · 0002070849-26-000042 · Items 1.01,2.03,9.01
2026-06-16
8-K · Current report
Report date 2026-06-10 · 0002070849-26-000040 · Items 1.01,2.03,9.01
2026-05-06
10-Q · Quarterly report
Report date 2026-03-31 · 0002070849-26-000031
2026-05-06
8-K · Current report
Report date 2026-05-06 · 0002070849-26-000029 · Items 2.02,9.01
2026-04-21
DEF 14A · Proxy statement
Report date 2026-06-10 · 0002070849-26-000024
2026-03-11
10-K · Annual report
Report date 2025-12-31 · 0002070849-26-000017
2026-03-04
8-K · Current report
Report date 2026-03-04 · 0002070849-26-000013 · Items 2.02,5.02,9.01
2026-01-12
8-K · Current report
Report date 2026-01-12 · 0002070849-26-000010 · Items 2.02,7.01
2025-12-10
10-Q · Quarterly report
Report date 2025-09-30 · 0001628280-25-056321
2025-12-09
8-K · Current report
Report date 2025-12-09 · 0001628280-25-056077 · Items 2.02,5.02,9.01
2025-11-10
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

P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

201 matching transaction rows. Showing 151 to 200.

Transaction / filed	Reporting owner	Type	Security	Shares	Reported price
2026-07-09 2026-07-13	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	2657.0	127.44
2026-07-09 2026-07-13	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	352.0	128.23
2026-07-09 2026-07-13	Atay Oguzhan 10b5-1 checkbox reported	M · Exercise / conversion Acquired	Class A Common Stock	12500.0	2.8
2026-07-09 2026-07-13	Atay Oguzhan 10b5-1 checkbox reported	M · Exercise / conversion Disposed	Stock Option (right to buy) Derivative security	12500.0	2.8
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1355.0	125.0
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1354.0	125.0
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1117.0	125.0
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	M · Exercise / conversion Acquired	Class A Common Stock	174.0	8.65
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	M · Exercise / conversion Acquired	Class A Common Stock	1117.0	30.78
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	M · Exercise / conversion Acquired	Class A Common Stock	1355.0	30.78
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	M · Exercise / conversion Acquired	Class A Common Stock	1354.0	30.78
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	4000.0	125.0
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	174.0	125.0
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	M · Exercise / conversion Disposed	Stock Option (right to buy) Derivative security	1355.0	30.78
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	M · Exercise / conversion Disposed	Stock Option (right to buy) Derivative security	1354.0	30.78
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	M · Exercise / conversion Disposed	Stock Option (right to buy) Derivative security	1117.0	30.78
2026-07-09 2026-07-13	Sakakibara Shan Riku 10b5-1 checkbox reported	M · Exercise / conversion Disposed	Stock Option (right to buy) Derivative security	174.0	8.65
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	412.0	118.49
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1138.0	119.36
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	570.0	120.66
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	349.0	121.84
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1945.0	123.07
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1642.0	123.81
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	194.0	124.61
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1034.0	118.81
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	591.0	119.67
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	444.0	120.69
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	587.0	122.08
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	2323.0	123.25
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1221.0	124.04
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	50.0	124.74
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1034.0	118.81
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	591.0	119.67
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	444.0	120.69
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	586.0	122.08
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	2324.0	123.25
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1221.0	124.04
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	50.0	124.74
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	M · Exercise / conversion Acquired	Class A Common Stock	20000.0	2.8
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	M · Exercise / conversion Acquired	Class A Common Stock	6250.0	2.8
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1320.0	118.49
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	3639.0	119.37
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1828.0	120.66
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	1115.0	121.84
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	6223.0	123.07
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	5253.0	123.81
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	622.0	124.61
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	M · Exercise / conversion Disposed	Stock Option (right to buy) Derivative security	20000.0	2.8
2026-07-06 2026-07-08	Atay Oguzhan 10b5-1 checkbox reported	M · Exercise / conversion Disposed	Stock Option (right to buy) Derivative security	6250.0	2.8
2026-07-01 2026-07-06	Johnson Nancy JoAnn 10b5-1 checkbox reported	S · Sale Disposed	Class A Common Stock	801.0	124.91

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 ended	Reported USD revenue	CPI-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 ↗