List of insiders holdings for BillionToOne Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Humming Bird Ventures Management NV Hummingbird Opportunity Fund II CommV Hummingbird Ventures III CommV Hummingbird Dragons CommV Hummingbird Collective CommV HB&Q NV (HB&Q COMPARTMENT III) Van den Brande Barend Decoster Lukas 10% Owner | 2026-01-20 19:46:53 | 7,887,237 0 | 7,887,237 | Form 13D |
| 2 | Atay Oguzhan Chairman and CEO | 2026-10-16 19:00:03 | 942,408 149,168 | 1,091,576 | Form 4 |
| 3 | Tsao David Chief Technology Officer | 2026-10-07 19:56:35 | 1,084,334 0 | 1,084,334 | Form 4 |
| 4 | KOLLURI KRISHNA KITTU Director | 2026-08-28 16:20:35 | 0 620,525 | 620,525 | Form 4 |
| 5 | NeoTribe Ventures I L.P. Neotribe Ignite Fund I L.P. Neotribe SPV I BTO LLC NeoTribe Associates I L.P. Neotribe Ignite Partners I LLC Neotribe Partners SPV I BTO LLC NeoTribe Partners I LLC 10% Owner | 2026-06-11 17:01:13 | 369,311 183,658 | 552,969 | Form 4 |
| 6 | Taylor Ross Chief Financial Officer | 2025-11-12 18:11:25 | 250,000 0 | 250,000 | Form 4 |
| 7 | Sakakibara Shan Riku Chief Product Officer | 2026-09-14 18:47:01 | 196,500 0 | 196,500 | Form 4 |
| 8 | LISTER JOHN Chief Administrative Officer | 2025-11-12 18:09:23 | 133,300 0 | 133,300 | Form 4 |
| 9 | Lynch Thomas P. See Remarks | 2026-10-13 18:39:45 | 49,674 0 | 49,674 | Form 4 |
| 10 | Ileri Firat Director 10% Owner | 2026-06-12 12:54:16 | 40,331 0 | 40,331 | Form 4 |
| 11 | ten Bosch John Roderick SVP of Laboratory Operations | 2026-10-07 19:56:44 | 19,385 0 | 19,385 | Form 4 |
| 12 | Rai Akshay Director | 2026-06-12 12:53:47 | 14,026 0 | 14,026 | Form 4 |
| 13 | Bremner Thomas S Director | 2026-06-12 17:58:19 | 11,350 0 | 11,350 | Form 4 |
| 14 | Pagano Anthony Director | 2026-06-12 12:54:01 | 7,913 0 | 7,913 | Form 4 |
| 15 | Johnson Nancy JoAnn See Remarks | 2026-07-20 19:38:12 | 6,900 0 | 6,900 | Form 4 |