BLLN.NASDAQBilliontoone, INC
Form 4: BillionToOne Executive Sells Shares
Sentiment:
Insider Transaction (Form 4)
Thomas P. Lynch, See Remarks of BillionToOne, Inc., sold 20,000 shares of common stock on September 8, 2026.
Summary
- Option exercise/conversion: acquired 11,042 Class A Common Stock at $8.65 ($95,513) on September 8, 2026; holds 11,742 after (Direct).
- Option exercise/conversion: acquired 3,969 Class A Common Stock at $11.55 ($45,842) on September 8, 2026; holds 15,711 after (Direct).
- Option exercise/conversion: acquired 1,663 Class A Common Stock at $17.12 ($28,471) on September 8, 2026; holds 17,374 after (Direct).
- Option exercise/conversion: acquired 3,326 Class A Common Stock at $30.78 ($102,374) on September 8, 2026; holds 20,700 after (Direct).
- Open-market sale: disposed of 38 Class A Common Stock at $96.47 ($3,666) on September 8, 2026; holds 20,662 after (Direct).
- Open-market sale: disposed of 1,944 Class A Common Stock at $98.97 ($192,390) on September 8, 2026; holds 18,718 after (Direct).
- Open-market sale: disposed of 8,285 Class A Common Stock at $100.12 ($829,517) on September 8, 2026; holds 10,433 after (Direct).
- Open-market sale: disposed of 775 Class A Common Stock at $100.83 ($78,142) on September 8, 2026; holds 9,658 after (Direct).
- Open-market sale: disposed of 614 Class A Common Stock at $99.00 ($60,785) on September 8, 2026; holds 9,044 after (Direct).
- Open-market sale: disposed of 2,997 Class A Common Stock at $100.11 ($300,040) on September 8, 2026; holds 6,047 after (Direct).
- Open-market sale: disposed of 358 Class A Common Stock at $100.82 ($36,095) on September 8, 2026; holds 5,689 after (Direct).
- Open-market sale: disposed of 385 Class A Common Stock at $99.22 ($38,201) on September 8, 2026; holds 5,304 after (Direct).
- Open-market sale: disposed of 1,131 Class A Common Stock at $100.33 ($113,469) on September 8, 2026; holds 4,173 after (Direct).
- Open-market sale: disposed of 147 Class A Common Stock at $101.41 ($14,907) on September 8, 2026; holds 4,026 after (Direct).
- Open-market sale: disposed of 576 Class A Common Stock at $98.89 ($56,960) on September 8, 2026; holds 3,450 after (Direct).
- Open-market sale: disposed of 2,518 Class A Common Stock at $100.20 ($252,293) on September 8, 2026; holds 932 after (Direct).
- Open-market sale: disposed of 232 Class A Common Stock at $100.92 ($23,414) on September 8, 2026; holds 700 after (Direct).
- Option exercise/conversion: disposed of 11,042 Stock Option (right to buy) at $8.65 ($95,513) on September 8, 2026; holds 68,358 after (Direct).
- Option exercise/conversion: disposed of 3,969 Stock Option (right to buy) at $11.55 ($45,842) on September 8, 2026; holds 11,031 after (Direct).
- Option exercise/conversion: disposed of 1,663 Stock Option (right to buy) at $17.12 ($28,471) on September 8, 2026; holds 8,337 after (Direct).
- Option exercise/conversion: disposed of 3,326 Stock Option (right to buy) at $30.78 ($102,374) on September 8, 2026; holds 36,674 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $1,999,880 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Thomas P. Lynch — Officer (See Remarks)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-08 | Option exercise/conversion | Class A Common Stock | 11,042 | $9 | $95.5K | 11,742 |
| 2026-09-08 | Option exercise/conversion | Class A Common Stock | 3,969 | $12 | $45.8K | 15,711 |
| 2026-09-08 | Option exercise/conversion | Class A Common Stock | 1,663 | $17 | $28.5K | 17,374 |
| 2026-09-08 | Option exercise/conversion | Class A Common Stock | 3,326 | $31 | $102.4K | 20,700 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 38 | $96 | $3.7K | 20,662 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 1,944 | $99 | $192.4K | 18,718 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 8,285 | $100 | $829.5K | 10,433 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 775 | $101 | $78.1K | 9,658 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 614 | $99 | $60.8K | 9,044 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 2,997 | $100 | $300.0K | 6,047 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 358 | $101 | $36.1K | 5,689 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 385 | $99 | $38.2K | 5,304 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 1,131 | $100 | $113.5K | 4,173 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 147 | $101 | $14.9K | 4,026 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 576 | $99 | $57.0K | 3,450 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 2,518 | $100 | $252.3K | 932 |
| 2026-09-08 | Open-market sale | Class A Common Stock | 232 | $101 | $23.4K | 700 |
| 2026-09-08 | Option exercise/conversion | Stock Option (right to buy) | 11,042 | $9 | $95.5K | 68,358 |
| 2026-09-08 | Option exercise/conversion | Stock Option (right to buy) | 3,969 | $12 | $45.8K | 11,031 |
| 2026-09-08 | Option exercise/conversion | Stock Option (right to buy) | 1,663 | $17 | $28.5K | 8,337 |
| 2026-09-08 | Option exercise/conversion | Stock Option (right to buy) | 3,326 | $31 | $102.4K | 36,674 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-08 | Option exercise/conversion (11,042 shares) |
| 2026-09-08 | Option exercise/conversion (3,969 shares) |
| 2026-09-08 | Option exercise/conversion (1,663 shares) |
| 2026-09-08 | Option exercise/conversion (3,326 shares) |
| 2026-09-08 | Open-market sale (38 shares) |
| 2026-09-08 | Open-market sale (1,944 shares) |
| 2026-09-08 | Open-market sale (8,285 shares) |
| 2026-09-08 | Open-market sale (775 shares) |
| 2026-09-08 | Open-market sale (614 shares) |
| 2026-09-08 | Open-market sale (2,997 shares) |
| 2026-09-08 | Open-market sale (358 shares) |
| 2026-09-08 | Open-market sale (385 shares) |
| 2026-09-08 | Open-market sale (1,131 shares) |
| 2026-09-08 | Open-market sale (147 shares) |
| 2026-09-08 | Open-market sale (576 shares) |
| 2026-09-08 | Open-market sale (2,518 shares) |
| 2026-09-08 | Open-market sale (232 shares) |
| 2026-09-08 | Option exercise/conversion (11,042 shares) |
| 2026-09-08 | Option exercise/conversion (3,969 shares) |
| 2026-09-08 | Option exercise/conversion (1,663 shares) |
| 2026-09-08 | Option exercise/conversion (3,326 shares) |
Keywords
insider transaction, Form 4, BLLN, BillionToOne, Inc., bearish, Thomas P. Lynch
Disclaimer:The information provided here is for general informational purposes only and does not constitute financial advice, recommendation, or endorsement of any kind. It may contain errors or omissions. You should not rely on this information to make financial decisions. Always seek the advice of a qualified financial professional before making any investment or financial decisions. Use of this information is at your own risk.