BLLNBillionToOne, Inc.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-10-19.
Insider buys (90d)
$0.00
Insider sells (90d)
$27.61M
Net flow
$-27.61M
Filings
24
Buy transactions
0
Sell transactions
88
Distinct insiders
6
Last close (cached)
$104.67
as of 2026-10-21
1d return
+1.1%
5d return
+6.9%
1m return
-9.8%
Top insiders trading BLLN (90d)
Recent transactions (50)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-10-19 | 2026-10-13 | Lynch Thomas P. Officer | Exer. | 2,000 | $8.65 | $17.3K | open → |
| 2026-10-16 | 2026-10-14 | Atay Oguzhan OfficerDirector | Sale | 2,667 | $98.00 | $261.4K | open → |
| 2026-10-16 | 2026-10-15 | Atay Oguzhan OfficerDirector | Sale | 133 | $102.78 | $13.7K | open → |
| 2026-10-16 | 2026-10-15 | Atay Oguzhan OfficerDirector | Sale | 980 | $101.79 | $99.8K | open → |
| 2026-10-16 | 2026-10-15 | Atay Oguzhan OfficerDirector | Sale | 1,276 | $100.60 | $128.4K | open → |
| 2026-10-16 | 2026-10-15 | Atay Oguzhan OfficerDirector | Sale | 1,861 | $99.84 | $185.8K | open → |
| 2026-10-16 | 2026-10-15 | Atay Oguzhan OfficerDirector | Sale | 900 | $98.43 | $88.6K | open → |
| 2026-10-16 | 2026-10-15 | Atay Oguzhan OfficerDirector | Exer. | 5,150 | $2.80 | $14.4K | open → |
| 2026-10-16 | 2026-10-14 | Atay Oguzhan OfficerDirector | Sale | 100 | $99.00 | $9.9K | open → |
| 2026-10-16 | 2026-10-14 | Atay Oguzhan OfficerDirector | Sale | 3,083 | $98.32 | $303.1K | open → |
| 2026-10-16 | 2026-10-14 | Atay Oguzhan OfficerDirector | Exer. | 3,183 | $2.80 | $8.9K | open → |
| 2026-10-14 | 2026-10-12 | Atay Oguzhan OfficerDirector | Sale | 2,667 | $97.61 | $260.3K | open → |
| 2026-10-14 | 2026-10-12 | Atay Oguzhan OfficerDirector | Sale | 1,521 | $96.39 | $146.6K | open → |
| 2026-10-14 | 2026-10-12 | Atay Oguzhan OfficerDirector | Sale | 3,869 | $94.61 | $366.1K | open → |
| 2026-10-14 | 2026-10-12 | Atay Oguzhan OfficerDirector | Sale | 6,763 | $93.65 | $633.3K | open → |
| 2026-10-14 | 2026-10-12 | Atay Oguzhan OfficerDirector | Sale | 2,553 | $93.05 | $237.5K | open → |
| 2026-10-14 | 2026-10-12 | Atay Oguzhan OfficerDirector | Sale | 1,961 | $91.57 | $179.6K | open → |
| 2026-10-14 | 2026-10-12 | Atay Oguzhan OfficerDirector | Exer. | 16,667 | $2.80 | $46.7K | open → |
| 2026-10-13 | 2026-10-08 | Lynch Thomas P. Officer | Exer. | 8,000 | $8.65 | $69.2K | open → |
| 2026-10-07 | 2026-10-05 | ten Bosch John Roderick Officer | Sale | 1,417 | $105.15 | $149.0K | open → |
| 2026-10-07 | 2026-10-05 | ten Bosch John Roderick Officer | Sale | 1,417 | $105.15 | $149.0K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Sale | 100 | $110.09 | $11.0K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Sale | 1,829 | $109.14 | $199.6K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Sale | 4,916 | $108.53 | $533.6K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Sale | 2,200 | $107.47 | $236.4K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Sale | 400 | $106.10 | $42.4K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Sale | 555 | $105.56 | $58.6K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Sale | 20 | $110.08 | $2.2K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Sale | 2,921 | $109.00 | $318.4K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Sale | 4,284 | $108.39 | $464.4K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Sale | 1,909 | $107.19 | $204.6K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Sale | 866 | $105.90 | $91.7K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Exer. | 10,000 | $2.80 | $28.0K | open → |
| 2026-10-07 | 2026-10-05 | Tsao David OfficerDirector | Exer. | 10,000 | $2.80 | $28.0K | open → |
| 2026-10-01 | 2026-09-28 | Atay Oguzhan OfficerDirector | Sale | 2,666 | $120.64 | $321.6K | open → |
| 2026-10-01 | 2026-09-28 | Atay Oguzhan OfficerDirector | Sale | 8,333 | $120.64 | $1.01M | open → |
| 2026-10-01 | 2026-09-28 | Atay Oguzhan OfficerDirector | Exer. | 8,333 | $2.80 | $23.3K | open → |
| 2026-09-28 | 2026-09-24 | Tsao David OfficerDirector | Sale | 3,333 | $125.00 | $416.6K | open → |
| 2026-09-28 | 2026-09-24 | Tsao David OfficerDirector | Exer. | 3,333 | $2.80 | $9.3K | open → |
| 2026-09-28 | 2026-09-24 | ten Bosch John Roderick Officer | Sale | 1,416 | $120.00 | $169.9K | open → |
| 2026-09-23 | 2026-09-21 | ten Bosch John Roderick Officer | Sale | 1,416 | $106.61 | $151.0K | open → |
| 2026-09-21 | 2026-09-17 | Lynch Thomas P. Officer | Sale | 5,840 | $110.29 | $644.1K | open → |
| 2026-09-21 | 2026-09-17 | Lynch Thomas P. Officer | Sale | 2,920 | $110.31 | $322.1K | open → |
| 2026-09-21 | 2026-09-17 | Lynch Thomas P. Officer | Sale | 6,968 | $110.30 | $768.6K | open → |
| 2026-09-21 | 2026-09-17 | Lynch Thomas P. Officer | Sale | 19,384 | $110.36 | $2.14M | open → |
| 2026-09-21 | 2026-09-17 | Lynch Thomas P. Officer | Exer. | 5,840 | $30.78 | $179.8K | open → |
| 2026-09-21 | 2026-09-17 | Lynch Thomas P. Officer | Exer. | 2,920 | $17.12 | $50.0K | open → |
| 2026-09-21 | 2026-09-17 | Lynch Thomas P. Officer | Exer. | 6,968 | $11.55 | $80.5K | open → |
| 2026-09-21 | 2026-09-17 | Lynch Thomas P. Officer | Exer. | 19,384 | $8.65 | $167.7K | open → |
| 2026-09-16 | 2026-09-14 | Atay Oguzhan OfficerDirector | Sale | 2,666 | $98.00 | $261.3K | open → |
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