BLLN BillionToOne, Inc.

NEUTRAL Impact: 2/10 144
Horizon days Filed Jun 8, 2026 Processed 1d 8h ago SEC 0001959173-26-004437
Form 144 — notice of proposed sale of securities

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Executive Summary

Shan Sakakibara, an officer of BillionToOne, filed a Form 144 notice of intent to sell 8,000 Class A shares valued at approximately $785,800. This represents a modest insider sale relative to the company's $4.5B market cap and does not signal a change in fundamentals.

Actionable Insight

This is a routine insider sale notice with no material impact. Monitor for any subsequent Form 4 filings to confirm execution, but the small size relative to market cap suggests no significant read-through.

Key Facts

  • Insider: Shan Sakakibara, Officer
  • Shares to be sold: 8,000 Class A shares
  • Estimated value: $785,800
  • Shares acquired on 01/07/2019 as pre-IPO shares for cash
  • Sale intended on or after 06/08/2026
  • Market cap of issuer: $4.5B

Financial Impact

Sale of 8,000 shares valued at ~$785,800, representing a tiny fraction of the $4.5B market cap.

dilution

Risk Factors

  • Insider may not complete the sale; Form 144 is only an intent to sell.
  • No context on total holdings or percentage of insider's stake being sold.

Market Snapshot

Exchange
Nasdaq
Sector
Services-Medical Laboratories
Analyst Consensus
79% bullish (14 analysts)

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001959173-26-004437
Document: 0001959173-26-004437-index.html0001959173-26-004437
Document: 0001959173-26-004437.txt0001959173-26-004437
4 reports for BLLN
Performance horizon

Track record builds as more directional reports settle.

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Reports for BLLN — sortable, filterable
Type Now
Jun 8, 2026
1d ago
144
NEUTRAL ★ 2/10
$94.81 awaiting T+20awaiting T+20$102.39 (+7.99%)
Apr 15, 2026
7w ago
Press Release
NEUTRAL ★ 3/10
$80.61 $94.23▲ +16.90%▲ +10.85%$102.39 (+27.02%)
Mar 4, 2026
13w ago
8-K
BULLISH ★ 8/10
$72.17 $79.36▲ +9.96%▲ +13.75%$102.39 (+41.87%)
Mar 4, 2026
13w ago
Press Release
BULLISH ★ 8/10
$72.17 $79.36▲ +9.96%▲ +13.75%$102.39 (+41.87%)
Showing 4 of 4

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