BillionToOne, Inc.
BLLNFigures shown here come from public SEC filings. Dates beside each section show the available history.
How BillionToOne, Inc. Makes Money
Follow each dollar of revenue through to what shareholders keep.
From revenue to net income
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Financial Summary
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 3 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 26, 2026.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among BillionToOne, Inc.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2025-11-07 · Bremner Thomas S: Larger than all 8 other insider purchases of Class A Common Stock on file. SEC filing
Independent insiders buying near the same time
- 2025-11-07–2025-11-07: 9 event(s) across 6 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing , filing , filing )
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-06-24 | Sakakibara Shan Riku · Chief Product Officer | Class A Common Stock | S — Open market or private sale | −4,000 | 110.00 | SEC filing |
| 2026-06-15 | Tsao David · Chief Technology Officer | Class A Common Stock | S — Open market or private sale | −2,889 | 103.68 | SEC filing |
| 2026-06-15 | Tsao David · Chief Technology Officer | Class A Common Stock | S — Open market or private sale | −2,816 | 102.77 | SEC filing |
| 2026-06-15 | Tsao David · Chief Technology Officer | Class A Common Stock | S — Open market or private sale | −2,361 | 101.55 | SEC filing |
| 2026-06-15 | Tsao David · Chief Technology Officer | Class A Common Stock | S — Open market or private sale | −600 | 98.74 | SEC filing |
| 2026-06-15 | Tsao David · Chief Technology Officer | Class A Common Stock | S — Open market or private sale | −2,461 | 101.37 | SEC filing |
| 2026-06-15 | Tsao David · Chief Technology Officer | Class A Common Stock | S — Open market or private sale | −563 | 104.32 | SEC filing |
| 2026-06-15 | Tsao David · Chief Technology Officer | Class A Common Stock | S — Open market or private sale | −230 | 104.47 | SEC filing |
Showing 8 of 19 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-06-24 | Sakakibara Shan Riku · Chief Product Officer | Class A Common Stock | M — Exercise or conversion of derivative security | +4,000 | SEC filing |
| 2026-06-24 | Sakakibara Shan Riku · Chief Product Officer | Stock Option (right to buy) | M — Exercise or conversion of derivative security | −4,000 | SEC filing |
| 2026-06-15 | Tsao David · Chief Technology Officer | Class A Common Stock | M — Exercise or conversion of derivative security | +10,000 | SEC filing |
| 2026-06-15 | Tsao David · Chief Technology Officer | Stock Option (right to buy) | M — Exercise or conversion of derivative security | −10,000 | SEC filing |
| 2026-06-10 | Ileri Firat · Director, 10% owner | Class A Common Stock | A — Grant, award, or other acquisition | +3,017 | SEC filing |
| 2026-06-10 | KOLLURI KRISHNA KITTU · Director, 10% owner | Class A Common Stock | A — Grant, award, or other acquisition | +3,017 | SEC filing |
| 2026-06-10 | Pagano Anthony · Director | Class A Common Stock | A — Grant, award, or other acquisition | +3,017 | SEC filing |
| 2026-06-10 | Rai Akshay · Director | Class A Common Stock | A — Grant, award, or other acquisition | +3,017 | SEC filing |
Showing 8 of 19 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-06-09 | KOLLURI KRISHNA KITTU · Director | Class A Common Stock | J — Other acquisition or disposition | +1,425 | SEC filing |
| 2026-06-09 | KOLLURI KRISHNA KITTU · Director | Class A Common Stock | J — Other acquisition or disposition | +719 | SEC filing |
| 2026-06-09 | KOLLURI KRISHNA KITTU · Director | Class A Common Stock | J — Other acquisition or disposition | −129,780 | SEC filing |
| 2026-06-09 | KOLLURI KRISHNA KITTU · Director | Class A Common Stock | J — Other acquisition or disposition | +7,980 | SEC filing |
| 2026-06-09 | KOLLURI KRISHNA KITTU · Director | Class A Common Stock | J — Other acquisition or disposition | −5,423 | SEC filing |
| 2026-06-09 | KOLLURI KRISHNA KITTU · Director | Class A Common Stock | J — Other acquisition or disposition | +5,761 | SEC filing |
| 2026-06-09 | KOLLURI KRISHNA KITTU · Director | Class A Common Stock | J — Other acquisition or disposition | +5,423 | SEC filing |
| 2026-06-09 | KOLLURI KRISHNA KITTU · Director | Class A Common Stock | J — Other acquisition or disposition | −10,921 | SEC filing |
Showing 8 of 10 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.