BLLN Insider Activity · BillionToOne, Inc.
SEC Form 4 filings, signal scores, and insider role breakdown — updated as EDGAR publishes
Recent insider trading activity for BLLN (BillionToOne, Inc.). The table below shows the latest reported SEC Form 4 transactions from officers, directors, and 10% owners. Each row includes the transaction type, share count, price, and our proprietary signal score that highlights potentially significant activity. Curious how the scores are calculated? Read our methodology.
Insiders generally have up to two business days after a transaction to file Form 4. The Transaction Date is when the trade occurred; the Filed date is when the filing became available. DisclosureSignals alerts are notices about newly available public filings — the underlying transaction may have occurred earlier. Scores measure transaction characteristics, not expected returns. This page is informational and is not investment advice.
16
Form 4 filings · 90 days
0
Insider buys · 30 days
33
Insider sales · 30 days
20/100
Top signal score
Activity breakdown (last 90 days)
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| Insider | Type | Shares | Price | Score | Transaction Date | Filed |
|---|---|---|---|---|---|---|
| ten Bosch John Roderick | S | 1416 | $120.00 | 20 | 2026-09-24 | 2026-09-28 · SEC filing → |
| Tsao David | S | 3333 | $125.00 | 25 | 2026-09-24 | 2026-09-28 · SEC filing → |
| Tsao David | M | 3333 | $2.80 | 22 | 2026-09-24 | 2026-09-28 · SEC filing → |
| ten Bosch John Roderick | S | 1416 | $106.61 | 20 | 2026-09-21 | 2026-09-23 · SEC filing → |
| Lynch Thomas P. | S | 5840 | $110.29 | 25 | 2026-09-17 | 2026-09-21 · SEC filing → |
| Lynch Thomas P. | S | 2920 | $110.31 | 20 | 2026-09-17 | 2026-09-21 · SEC filing → |
| Lynch Thomas P. | S | 6968 | $110.30 | 25 | 2026-09-17 | 2026-09-21 · SEC filing → |
| Lynch Thomas P. | S | 19384 | $110.36 | 35 | 2026-09-17 | 2026-09-21 · SEC filing → |
| Lynch Thomas P. | M | 5840 | $30.78 | 25 | 2026-09-17 | 2026-09-21 · SEC filing → |
| Lynch Thomas P. | M | 2920 | $17.12 | 17 | 2026-09-17 | 2026-09-21 · SEC filing → |
| Lynch Thomas P. | M | 6968 | $11.55 | 20 | 2026-09-17 | 2026-09-21 · SEC filing → |
| Lynch Thomas P. | M | 19384 | $8.65 | 30 | 2026-09-17 | 2026-09-21 · SEC filing → |
| Atay Oguzhan | S | 2666 | $98.00 | 25 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Atay Oguzhan | S | 2666 | $98.00 | 25 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Atay Oguzhan | S | 3143 | $101.49 | 25 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Atay Oguzhan | S | 2010 | $100.78 | 25 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Atay Oguzhan | S | 1500 | $99.57 | 25 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Atay Oguzhan | S | 1680 | $98.64 | 25 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Atay Oguzhan | S | 7214 | $101.44 | 30 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Atay Oguzhan | S | 2531 | $100.58 | 25 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Atay Oguzhan | S | 2456 | $99.57 | 25 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Atay Oguzhan | S | 4465 | $98.63 | 25 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Atay Oguzhan | M | 8333 | $2.80 | 22 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Atay Oguzhan | M | 16666 | $2.80 | 27 | 2026-09-14 | 2026-09-16 · SEC filing → |
| Sakakibara Shan Riku | G | 3500 | $- | 25 | 2026-09-10 | 2026-09-14 · SEC filing → |
| Tsao David | S | 10000 | $100.00 | 40 | 2026-09-09 | 2026-09-11 · SEC filing → |
| Tsao David | S | 10000 | $97.54 | 35 | 2026-09-09 | 2026-09-11 · SEC filing → |
| Tsao David | M | 10000 | $2.80 | 27 | 2026-09-09 | 2026-09-11 · SEC filing → |
| Tsao David | M | 10000 | $2.80 | 27 | 2026-09-09 | 2026-09-11 · SEC filing → |
| ten Bosch John Roderick | S | 1416 | $97.54 | 20 | 2026-09-09 | 2026-09-11 · SEC filing → |
| Atay Oguzhan | G | 20000 | $- | 30 | 2026-09-09 | 2026-09-10 · SEC filing → |
| Atay Oguzhan | C | 20000 | $- | 30 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 232 | $100.92 | 9 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 2518 | $100.20 | 20 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 576 | $98.89 | 12 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 147 | $101.41 | 9 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 1131 | $100.33 | 20 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 385 | $99.22 | 9 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 358 | $100.82 | 9 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 2997 | $100.11 | 20 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 614 | $99.00 | 12 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 775 | $100.83 | 12 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 8285 | $100.12 | 25 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 1944 | $98.97 | 20 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | S | 38 | $96.47 | 7 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | M | 3326 | $30.78 | 25 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | M | 1663 | $17.12 | 17 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | M | 3969 | $11.55 | 17 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Lynch Thomas P. | M | 11042 | $8.65 | 25 | 2026-09-08 | 2026-09-10 · SEC filing → |
| Tsao David | G | 20000 | $- | 30 | 2026-09-08 | 2026-09-08 · SEC filing → |
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