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Insider Cluster (3 insiders) ·Filed Jun 10, 2026

BLLN

BillionToOne, Inc.
NEUTRAL
Impact 2/10
Horizondays Processed4mo ago
Insider cluster: 3 insiders, $0.9M total
Actionable Insight • Neutral

Insider selling is too small to warrant action; monitor for any follow-on secondary offerings given the large derivative conversions by large holders. No immediate trading signal.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
BLLN ▼ -0.59% at T+60d
NEUTRAL call -0.59% · α vs SPY -4.41% · entry $99.65 → $99.06
Entry = T+0 close
Jun 10, 2026
via day close
T+1d
+1.48%
call +1.48% · α +0.93%
$101.12
settled 5mo ago
T+5d
-0.27%
call -0.27% · α -0.70%
$99.38
settled 4mo ago
T+20d
+28.42%
call +28.42% · α +26.53%
$127.97
settled 4mo ago
T+60d
-0.59%
call -0.59% · α -4.41%
$99.06
settled 8w ago

Price Chart

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Executive Summary

A cluster of insider transactions at BillionToOne shows small open-market selling totaling $857K, representing only 0.02% of the $4.6B market cap. The selling is led by a Chief Product Officer and a VP-level executive, while the bulk of filings are non-cash director grants and derivative conversions. The dollar amounts are immaterial relative to company size, offering no meaningful directional signal.

Key Financial Metrics

Direction
selling
Total Value
$857.0K
Insiders
3

Key Facts

  • Total open-market selling by 3 insiders: $857K (0.02% of market cap)
  • Chief Product Officer Sakakibara sold $386K on June 8; VP Johnson sold $463K on June 9
  • Four directors received non-cash grants of 3,017 shares each on June 10
  • Two large non-cash conversions of 129,780 shares each by a director and a venture fund on June 9

Financial Impact

Negligible — open-market sales of $857K are ~0.02% of $4.6B market cap

dilutioninsider ownership

Risk Factors

  • Potential future secondary offering if converted shares are sold
  • Insider selling pattern remains low — no material risk

Market Snapshot

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

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-BLLN-1781283306837
29 reports for BLLN
Performance horizon
100% Hit rate @ T+60 3 of 3 directional calls Went positive at some point 9 of 9 best @ T+60▲ +26.26%Mar 4, 2026
Filters
Rows
Reports for BLLN — sortable, filterable
TypeNow
Sep 30, 2026
26d ago
Insider Cluster
BEARISH ★ 5/10
$105.76awaiting T+60—$107.77 (−1.90%)
Sep 28, 2026
28d ago
Insider Cluster
BEARISH ★ 5/10
$118.18awaiting T+60—$107.77 (+8.81%)
Sep 23, 2026
4w ago
Insider Cluster
BEARISH ★ 4/10
$124.90awaiting T+60—$107.77 (+13.71%)
Sep 22, 2026
4w ago
Institutional Cluster
BULLISH ★ 4/10
$116.07awaiting T+60—$107.77 (−7.15%)
Sep 21, 2026
5w ago
Insider Cluster
BEARISH ★ 4/10
$116.07awaiting T+60—$107.77 (+7.15%)
Sep 16, 2026
5w ago
Insider Cluster
BEARISH ★ 5/10
$110.67awaiting T+60—$107.77 (+2.62%)
Sep 11, 2026
6w ago
Insider Cluster
NEUTRAL ★ 4/10
$100.82awaiting T+60—$107.77 (+6.89%)
Sep 11, 2026
6w ago
Insider Cluster
NEUTRAL ★ 3/10
$100.82awaiting T+60—$107.77 (+6.89%)
Aug 27, 2026
8w ago
Insider Cluster
NEUTRAL ★ 3/10
$93.24awaiting T+60—$107.77 (+15.58%)
Aug 27, 2026
8w ago
Insider Cluster
NEUTRAL ★ 2/10
$93.24awaiting T+60—$107.77 (+15.58%)
Showing 10 of 29

US Market Status

Market Closed — Opens Wed (12h 42m)

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Report published Jun 12, 2026