Insider Cluster (4 insiders) ·Filed Jun 8, 2026

NBIX

NEUROCRINE BIOSCIENCES INC
NEUTRAL
Impact 2/10
Horizondays Processed3mo ago
Insider cluster: 4 insiders, $4.5M total
Actionable Insight • Neutral

The insider selling cluster is too small relative to market cap to warrant a directional signal. Monitor for any upcoming earnings or pipeline catalysts that could explain the timing, but the sales are likely routine portfolio diversification or tax-related. No immediate trading action is indicated.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
NBIX ▼ -4.51% at T+60d
NEUTRAL call ✗ call lost -4.51% · α vs SPY -8.32% · entry $165.24 → $157.79
Entry anchored
Jun 8, 03:59 PM ET
via exchange tick
T+1d
-2.65%
call -2.65% · α -1.07%
$160.86
settled 4mo ago
T+5d
-3.47%
call -3.47% · α -5.88%
$159.51
settled 4mo ago
T+20d
+7.41%
call +7.41% · α +5.97%
$177.49
settled 3mo ago
T+60d
-4.51%
call -4.51% · α -8.32%
$157.79
settled 4w ago

Price Chart

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Executive Summary

Four insiders at Neurocrine Biosciences sold a total of $4.53M in stock over a one-week window, including the Chief Scientific Officer, Chief Human Resources Officer, Chief Regulatory Officer, and a Director. The sales represent approximately 0.028% of the company's $16.4B market cap, which is well below the 0.1% threshold for materiality. The cluster is dominated by C-suite executives, but the dollar amounts are trivial relative to market cap, and no open-market purchases or non-routine patterns are present.

Key Financial Metrics

Direction
selling
Total Value
$4.5M
Insiders
4

Key Facts

  • Four insiders sold a total of $4.53M in stock over 8 days (May 29 – June 5, 2026).
  • Sales include the Chief Scientific Officer ($1.76M), Chief Human Resources Officer ($2.20M), Chief Regulatory Officer ($354K), and a Director ($210K).
  • Total sales represent ~0.028% of Neurocrine's $16.4B market cap, far below the 0.1% materiality threshold.
  • No open-market purchases were reported in the cluster.
  • One non-cash gift of 2,441 shares by the Chief Scientific Officer was also filed but has no economic value.

Financial Impact

Total insider sales of $4.53M represent ~0.028% of market cap — immaterial.

insider_sales

Risk Factors

  • Insider selling could accelerate if a negative catalyst emerges, but current levels are not predictive.
  • No open-market buying to offset the selling — a lack of insider conviction on the buy side.

Market Snapshot

Exchange
Nasdaq
Sector
Biological Products, (No Diagnostic Substances)
Analyst Consensus
86% bullish (36 analysts)

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-NBIX-1781040973795
17 reports for NBIX
Performance horizon
100% Hit rate 3 of 3 directional calls best @ T+60▲ +27.40%Apr 6, 2026
Filters
Rows
Reports for NBIX — sortable, filterable
TypeNow
Sep 15, 2026
17d ago
Insider Cluster
NEUTRAL ★ 3/10
$149.50 $139.49▼ −6.70%▼ −9.26%$143.18 (−4.23%)
Jul 13, 2026
11w ago
Insider Cluster
NEUTRAL ★ 3/10
$174.10 $170.88▼ −1.85%▼ −1.06%$143.18 (−17.76%)
Jul 9, 2026
12w ago
Press Release
NEUTRAL ★ 2/10
$177.11 $171.55▼ −3.14%▼ −2.58%$143.18 (−19.16%)
Jun 9, 2026
16w ago
Insider Cluster
NEUTRAL ★ 3/10
$160.86 $156.42▼ −2.76%▼ −6.19%$143.18 (−10.99%)
Jun 8, 2026
16w ago
Insider Cluster
NEUTRAL ★ 2/10
$165.24 $159.51▼ −3.47%▼ −5.88%$143.18 (−13.35%)
Jun 8, 2026
16w ago
Insider Cluster
NEUTRAL ★ 4/10
$165.24 $159.51▼ −3.47%▼ −5.88%$143.18 (−13.35%)
Jun 4, 2026
17w ago
Insider Cluster
NEUTRAL ★ 3/10
$163.88 $159.76▼ −2.51%▼ −3.08%$143.18 (−12.63%)
Jun 2, 2026
17w ago
Insider Cluster
NEUTRAL ★ 2/10
$164.23 $160.86▼ −2.05%▲ +1.77%$143.18 (−12.81%)
Jun 2, 2026
17w ago
Insider Cluster
NEUTRAL ★ 3/10
$164.23 $160.86▼ −2.05%▲ +1.77%$143.18 (−12.81%)
Jun 2, 2026
17w ago
Insider Cluster
NEUTRAL ★ 2/10
$164.23 $160.86▼ −2.05%▲ +1.77%$143.18 (−12.81%)
Showing 10 of 17

US Market Status

Market Closed — Opens Mon (64h 4m)

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Report published Jun 9, 2026