BLLN insider transaction filings
BillionToOne, Inc. — 44 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-12. Screen BLLN transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-12 | 4 | Tsao David — Chief Technology Officer, Director | Option exercise (M): 10,000 @ $2.80 · Sale (S): 10,000 @ $92.86 · Option exercise (M): 10,000 (derivative) @ $2.80 | EDGAR |
| 2026-08-12 | 4 | ten Bosch John Roderick — SVP of Laboratory Operations | Sale (S): 1,417 @ $92.86 | EDGAR |
| 2026-08-07 | 4 | Atay Oguzhan — Chairman and CEO, Director | Option exercise (M): 15,539 @ $2.80 · Sale (S): 15,539 @ $150.03 · Option exercise (M): 15,539 (derivative) @ $2.80 | EDGAR |
| 2026-08-05 | 4 | Atay Oguzhan — Chairman and CEO, Director | Option exercise (M): 20,000 @ $2.80 · Option exercise (M): 6,250 @ $2.80 · Option exercise (M): 6,250 @ $2.80 · Sale (S): 269 @ $133.01 · Sale (S): 555 @ $133.81 · Sale (S): 135 @ $135.42 · +23 more | EDGAR |
| 2026-08-04 | 4 | Sakakibara Shan Riku — Chief Product Officer | Sale (S): 4,000 @ $140.21 | EDGAR |
| 2026-07-20 | 4 | Johnson Nancy JoAnn — See Remarks | Sale (S): 2,133 @ $126.98 · Sale (S): 5,559 @ $127.89 · Sale (S): 5,601 @ $128.96 · Sale (S): 906 @ $129.78 | EDGAR |
| 2026-07-15 | 4 | Tsao David — Chief Technology Officer, Director | Option exercise (M): 10,000 @ $2.80 · Option exercise (M): 10,000 @ $2.80 · Sale (S): 1,102 @ $122.90 · Sale (S): 2,477 @ $123.84 · Sale (S): 2,415 @ $124.90 · Sale (S): 3,185 @ $125.85 · +8 more | EDGAR |
| 2026-07-15 | 4 | ten Bosch John Roderick — SVP of Laboratory Operations | Sale (S): 1,417 @ $125.46 · Sale (S): 1,417 @ $125.46 · Sale (S): 1,417 @ $125.46 | EDGAR |
| 2026-07-13 | 4 | Atay Oguzhan — Chairman and CEO, Director | Option exercise (M): 12,500 @ $2.80 · Sale (S): 7,489 @ $125.43 · Sale (S): 2,002 @ $126.48 · Sale (S): 2,657 @ $127.44 · Sale (S): 352 @ $128.23 · Option exercise (M): 12,500 (derivative) @ $2.80 | EDGAR |
| 2026-07-13 | 4 | Sakakibara Shan Riku — Chief Product Officer | Option exercise (M): 174 @ $8.65 · Option exercise (M): 1,117 @ $30.78 · Option exercise (M): 1,355 @ $30.78 · Option exercise (M): 1,354 @ $30.78 · Sale (S): 4,000 @ $125 · Sale (S): 174 @ $125 · +7 more | EDGAR |
| 2026-07-08 | 4 | Atay Oguzhan — Chairman and CEO, Director | Option exercise (M): 20,000 @ $2.80 · Option exercise (M): 6,250 @ $2.80 · Sale (S): 1,320 @ $118.49 · Sale (S): 3,639 @ $119.36 · Sale (S): 1,828 @ $120.66 · Sale (S): 1,115 @ $121.84 · +26 more | EDGAR |
| 2026-07-06 | 4 | Johnson Nancy JoAnn — See Remarks | Sale (S): 801 @ $124.91 | EDGAR |
| 2026-07-01 | 4 | ten Bosch John Roderick — SVP of Laboratory Operations | Sale (S): 1,416 @ $120 | EDGAR |
| 2026-06-26 | 4 | Sakakibara Shan Riku — Chief Product Officer | Option exercise (M): 4,000 @ $8.65 · Sale (S): 4,000 @ $110 · Sale (S): 4,000 @ $110 · Option exercise (M): 4,000 (derivative) @ $8.65 | EDGAR |
| 2026-06-17 | 4 | Tsao David — Chief Technology Officer, Director | Option exercise (M): 10,000 @ $2.80 · Option exercise (M): 10,000 @ $2.80 · Sale (S): 1,704 @ $100.37 · Sale (S): 2,361 @ $101.55 · Sale (S): 2,816 @ $102.77 · Sale (S): 2,889 @ $103.68 · +9 more | EDGAR |
| 2026-06-17 | 4 | ten Bosch John Roderick — See Remarks | Sale (S): 1,416 @ $101.47 · Sale (S): 1,416 @ $101.47 | EDGAR |
| 2026-06-12 | 4 | Pagano Anthony — Director | Grant/award (A): 3,017 @ $0 | EDGAR |
| 2026-06-12 | 4 | Ileri Firat — Director, 10% owner | Grant/award (A): 3,017 @ $0 | EDGAR |
| 2026-06-12 | 4 | Rai Akshay — Director | Grant/award (A): 3,017 @ $0 | EDGAR |
| 2026-06-12 | 4 | Bremner Thomas S — Director | Grant/award (A): 3,017 @ $0 | EDGAR |
| 2026-06-12 | 4 | KOLLURI KRISHNA KITTU — Director, 10% owner | Grant/award (A): 3,017 @ $0 | EDGAR |
| 2026-06-11 | 4 | NeoTribe Ventures I, L.P. — 10% owner Neotribe Ignite Fund I, L.P. — 10% owner Neotribe SPV I BTO, LLC — 10% owner NeoTribe Associates I, L.P. — 10% owner Neotribe Ignite Partners I, LLC — 10% owner Neotribe Partners SPV I BTO, LLC — 10% owner NeoTribe Partners I, LLC — 10% owner | Other (J): 129,780 @ $0 · Other (J): 7,980 @ $0 · Other (J): 7,980 @ $0 · Other (J): 24,222 @ $0 · Other (J): 1,425 @ $0 · Other (J): 1,425 @ $0 · +4 more | EDGAR |
| 2026-06-11 | 4 | KOLLURI KRISHNA KITTU — Director | Other (J): 129,780 @ $0 · Other (J): 7,980 @ $0 · Other (J): 7,980 @ $0 · Other (J): 24,222 @ $0 · Other (J): 1,425 @ $0 · Other (J): 1,425 @ $0 · +10 more | EDGAR |
| 2026-06-10 | 4 | Atay Oguzhan — See Remarks, Director | Option exercise (M): 20,000 @ $2.80 · Option exercise (M): 6,250 @ $2.80 · Sale (S): 79 @ $100.87 · Sale (S): 5,466 @ $94.76 · Sale (S): 1,856 @ $95.59 · Sale (S): 4,372 @ $96.89 · +11 more | EDGAR |
| 2026-06-10 | 4 | Sakakibara Shan Riku — Chief Product Officer | Sale (S): 4,000 @ $96.45 · Sale (S): 4,000 @ $100 | EDGAR |
| 2026-06-10 | 4 | Johnson Nancy JoAnn — See Remarks | Sale (S): 2,918 @ $99.09 · Sale (S): 300 @ $100.05 · Sale (S): 200 @ $100.98 · Sale (S): 4,666 @ $99.27 · Sale (S): 2,700 @ $101.38 · Sale (S): 1,816 @ $102.34 · +1 more | EDGAR |
| 2026-05-13 | 4 | NeoTribe Ventures I, L.P. — 10% owner Neotribe Ignite Fund I, L.P. — 10% owner Neotribe SPV I BTO, LLC — 10% owner NeoTribe Associates I, L.P. — 10% owner Neotribe Ignite Partners I, LLC — 10% owner Neotribe Partners SPV I BTO, LLC — 10% owner NeoTribe Partners I, LLC — 10% owner | Other (J): 129,780 @ $0 · Other (J): 7,980 @ $0 · Other (J): 7,980 @ $0 · Other (J): 24,222 @ $0 · Other (J): 1,425 @ $0 · Other (J): 1,425 @ $0 · +4 more | EDGAR |
| 2026-05-13 | 4 | KOLLURI KRISHNA KITTU — Director, 10% owner | Other (J): 129,780 @ $0 · Other (J): 7,980 @ $0 · Other (J): 7,980 @ $0 · Other (J): 24,222 @ $0 · Other (J): 1,425 @ $0 · Other (J): 1,425 @ $0 · +10 more | EDGAR |
| 2026-01-20 | 4 | Humming Bird Ventures Management NV — 10% owner Hummingbird Opportunity Fund II CommV — 10% owner Hummingbird Ventures III CommV — 10% owner Hummingbird Dragons CommV — 10% owner Hummingbird Collective CommV — 10% owner HB&Q NV (HB&Q COMPARTMENT III) — 10% owner Van den Brande Barend — 10% owner Decoster Lukas — 10% owner | Conversion (C): 640,727 · Conversion (C): 18,845 · Conversion (C): 2,015,118 · Conversion (C): 2,451,665 · Conversion (C): 2,580,833 · Other (J): 640,727 · +19 more | EDGAR |
| 2026-01-05 | 4 | Pagano Anthony — Director | Grant/award (A): 4,896 @ $0 | EDGAR |
| 2025-11-12 | 4 | Atay Oguzhan — See Remarks, Director | Conversion (C): 262,434 · Other (J): 262,434 · Other (J): 1,965,108 · Other (J): 200,000 · Other (J): 262,434 · Other (J): 1,965,108 · +8 more | EDGAR |
| 2025-11-12 | 4 | Tsao David — Chief Technology Officer, Director | Other (J): 2,325,108 · Other (J): 2,325,108 · Other (J): 2,325,108 · Purchase (P): 1,000 @ $60 · Other (J): 2,325,108 (derivative) @ $0 · Other (J): 640,000 (derivative) · +3 more | EDGAR |
| 2025-11-12 | 4 | Sakakibara Shan Riku — Chief Product Officer | Other (J): 220,000 · Other (J): 220,000 · Other (J): 50,000 (derivative) · Other (J): 50,000 (derivative) · Other (J): 40,000 (derivative) · Other (J): 40,000 (derivative) · +2 more | EDGAR |
| 2025-11-12 | 4 | ten Bosch John Roderick — See Remarks | Other (J): 37,000 · Other (J): 37,000 · Purchase (P): 800 @ $60 · Other (J): 28,500 (derivative) · Other (J): 28,500 (derivative) · Other (J): 20,000 (derivative) · +7 more | EDGAR |
| 2025-11-12 | 4 | Johnson Nancy JoAnn — See Remarks | Other (J): 29,000 · Other (J): 29,000 · Purchase (P): 6,900 @ $60 · Other (J): 125,000 (derivative) · Other (J): 125,000 (derivative) · Other (J): 25,000 (derivative) · +9 more | EDGAR |
| 2025-11-12 | 4 | Rai Akshay — Director | Purchase (P): 2,500 @ $60 | EDGAR |
| 2025-11-12 | 4 | Taylor Ross — Chief Financial Officer | Other (J): 175,000 (derivative) · Other (J): 175,000 (derivative) · Other (J): 75,000 (derivative) · Other (J): 75,000 (derivative) | EDGAR |
| 2025-11-12 | 4 | Lynch Thomas P. — See Remarks | Other (J): 600 · Other (J): 600 · Purchase (P): 100 @ $60 · Other (J): 79,400 (derivative) · Other (J): 79,400 (derivative) · Other (J): 15,000 (derivative) · +5 more | EDGAR |
| 2025-11-12 | 4 | LISTER JOHN — Chief Administrative Officer | Other (J): 133,300 (derivative) · Other (J): 133,300 (derivative) | EDGAR |
| 2025-11-10 | 4 | Rai Akshay — Director | Grant/award (A): 8,333 @ $0 · Conversion (C): 2,676 · Conversion (C): 1,784,414 · Other (J): 11,009 · Other (J): 1,784,414 · Other (J): 11,009 · +3 more | EDGAR |
| 2025-11-10 | 4 | Ileri Firat — Director, 10% owner | Grant/award (A): 8,333 @ $0 · Conversion (C): 28,981 · Conversion (C): 640,727 · Conversion (C): 18,845 · Conversion (C): 2,015,118 · Conversion (C): 2,451,665 · +24 more | EDGAR |
| 2025-11-10 | 4 | Bremner Thomas S — Director | Grant/award (A): 8,333 @ $0 · Conversion (C): 152,440 · Conversion (C): 155,711 · Conversion (C): 176,271 · Conversion (C): 269,918 · Conversion (C): 240,072 · +51 more | EDGAR |
| 2025-11-10 | 4 | NeoTribe Ventures I, L.P. — 10% owner Neotribe Ignite Fund I, L.P. — 10% owner Neotribe SPV I BTO, LLC — 10% owner NeoTribe Associates I, L.P. — 10% owner Neotribe Ignite Partners I, LLC — 10% owner Neotribe Partners SPV I BTO, LLC — 10% owner NeoTribe Partners I, LLC — 10% owner | Conversion (C): 1,177,800 · Conversion (C): 242,216 · Conversion (C): 2,819,490 · Other (J): 1,297,799 · Other (J): 242,216 · Other (J): 2,819,490 · +10 more | EDGAR |
| 2025-11-10 | 4 | KOLLURI KRISHNA KITTU — Director, 10% owner | Grant/award (A): 8,333 @ $0 · Conversion (C): 1,177,800 · Conversion (C): 242,216 · Conversion (C): 2,819,490 · Other (J): 8,333 · Other (J): 1,297,799 · +13 more | EDGAR |
Recent 8-K events — BillionToOne, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-29 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-16 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-04 | 8-K | 2.02 — Results of Operations and Financial Condition 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-12 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure | EDGAR |
| 2025-12-09 | 8-K | 2.02 — Results of Operations and Financial Condition 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-10 | 8-K | 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
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