Senior insider sale
Chief Technology Officer at BILLIONTOONE, INC. — senior position signals high conviction
$5.47M
50K shares
What this filing means
TSAO DAVID plans to sell 50K shares of BILLIONTOONE, INC. valued at approximately $5.47M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 8/10/2026ACC: 0001959173-26-005805
DirectorOfficer· Chief Technology Officer
Since Nov 2025
50K
Shares to sell
$5.47M
Approx. market value
10K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Stock Option Exercise
Cash
8/10/2026
10KTotal acquired10K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
8/10/2026 | Stock Option Exercise Cash | 10K | — |
| Total | 10K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
20K
Market value
$2.50M
7/13/2026
—Completed
Units to sell
20K
Market value
$2.05M
6/15/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
10K
Market value
$928.6K
8/10/2026
Total
Units
50K
Value
$5.47M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
7/13/2026 | 20K | $2.50M | — | Completed |
6/15/2026 | 20K | $2.05M | — | Completed |
| Planned — Approximate Date | ||||
8/10/2026 | 10K | $928.6K | NASDAQ | Planned |
| Total | 50K | $5.47M | ||