Senior insider sale
Chief Product Officer at BILLIONTOONE, INC. — senior position signals high conviction
$3.23M
28K shares
What this filing means
SAKAKIBARA SHAN RIKU plans to sell 28K shares of BILLIONTOONE, INC. valued at approximately $3.23M. 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: 7/31/2026ACC: 0001959173-26-005475
Officer· Chief Product Officer
Since Nov 2025
28K
Shares to sell
$3.23M
Approx. market value
4K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months1
Pre-IPO
Cash
1/7/2019
4KTotal acquired4K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
1/7/2019 | Pre-IPO Cash | 4K | — |
| Total | 4K | ||
Planned & Completed Dispositions4
Completed
—Completed
Units to sell
8K
Market value
$1.00M
7/9/2026
—Completed
Units to sell
8K
Market value
$880.0K
6/24/2026
—Completed
Units to sell
8K
Market value
$785.8K
6/8/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
4K
Market value
$560.8K
7/31/2026
Total
Units
28K
Value
$3.23M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
7/9/2026 | 8K | $1.00M | — | Completed |
6/24/2026 | 8K | $880.0K | — | Completed |
6/8/2026 | 8K | $785.8K | — | Completed |
| Planned — Approximate Date | ||||
7/31/2026 | 4K | $560.8K | NASDAQ | Planned |
| Total | 28K | $3.23M | ||