BLLN Exercise Disclosure
Tsao David · SEC Form 4 · Filed Aug 27, 2026
Exercise
Calculated transaction value
$28K
Tsao David Chief Technology Officer
BLLN
BillionToOne
BLLN
Transaction date
Aug 25, 2026
Public filing date
Aug 28, 2026
Filing lag
Filed 3 days later
BLLN daily price context
Close on/before transaction
$100.08
Aug 25, 2026
Close before public filing
$95.15
Aug 27, 2026
Return since public filing
+3.0%
Through Sep 14, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Derivative
- Security
- Stock Option (right to buy) on Class A Common Stock
- Quantity / price
- 10,000 shares @ $2.8
- SEC ownership
- Direct
- Transaction code
- M
- Form
- 4
- Filing identifier
- 0002087127-26-000006
Filing cohort
Transactions in this filing
Showing 3 of 3
Trades
3
Issuers
1
Estimated value
$1.06M
Buys / sales
0 / 1
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Billiontoone, Inc. BLLN Current | Exercise | Aug 25, 2026 | $28K |
| Billiontoone, Inc. BLLN | Sale | Aug 25, 2026 | $1M |
| Billiontoone, Inc. BLLN | Exercise | Aug 25, 2026 | $28K |