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Insider ActivityBLLN
Sakakibara Shan Riku, Chief Product Officer at BillionToOne, Inc., sold $386K of BLLN
Updated Jun 19, 2026
Sakakibara Shan Riku
Chief Product Officer
BillionToOne, Inc. ·
$BLLN
Transaction Details
| Insider | Sakakibara Shan Riku |
|---|---|
| Title | Chief Product Officer |
| Company | BillionToOne, Inc. |
| Ticker | BLLN |
| Transaction Type | Sale |
| Transaction Date | 2026-06-08 |
| Shares Traded | 4,000 |
| Price Per Share | $96.45 |
| Total Value | $386K |
| Filed Date | 2026-06-10 |
| Accession Number | 0002088547-26-000002 |
Ownership Context
| Shares Owned After Transaction | 216,000 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0002088547-26-000002
Other Insider Trades — BLLN
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Tsao David | Chief Technology Officer, Director | sold | $249K | 2026-06-15 |
| Tsao David | Chief Technology Officer, Director | sold | $289K | 2026-06-15 |
| Tsao David | Chief Technology Officer, Director | sold | $24K | 2026-06-15 |
| Tsao David | Chief Technology Officer, Director | sold | $100K | 2026-06-15 |
| Tsao David | Chief Technology Officer, Director | sold | $171K | 2026-06-15 |
| Tsao David | Chief Technology Officer, Director | sold | $240K | 2026-06-15 |
| Tsao David | Chief Technology Officer, Director | traded | $28K | 2026-06-15 |
| Tsao David | Chief Technology Officer, Director | sold | $300K | 2026-06-15 |
| Tsao David | Chief Technology Officer, Director | sold | $59K | 2026-06-15 |
| Tsao David | Chief Technology Officer, Director | sold | $306K | 2026-06-15 |
Full Ticker Profile
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 19, 2026 at 07:02 UTC