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Insider Cluster (2 insiders) ·Filed Sep 17, 2026

HALO

HALOZYME THERAPEUTICS, INC.
NEUTRAL
Impact 2/10
Horizondays Processed1mo ago
Insider cluster: 2 insiders, $2.0M total
Actionable Insight • Neutral

The CEO's option exercise and same-day sale is a standard cashless exercise pattern with no informational content. Director Posard's sale is small and routine. No follow-up catalyst is indicated by this cluster.

DirectionNeutral
Confidencehigh
Horizondays
Latest settled — T+20d
HALO ▲ +8.35% at T+20d
NEUTRAL call +8.35% · α vs SPY +8.15% · entry $112.45 → $121.84
Next anchor: T+60d in 7w
Latest observation: T+25 -6.75% FF3 residual α
Entry = T+0 close
Sep 17, 2026
via day close
T+1d
-0.89%
call -0.89% · α -2.44%
$111.45
settled 5w ago
T+5d
+1.29%
call +1.29% · α +0.02%
$113.90
settled 5w ago
T+20d
+8.35%
call +8.35% · α +8.15%
$121.84
settled 11d ago
T+60d
Pending
in 7w

Price Chart

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Executive Summary

CEO Helen Torley exercised 20,000 options at $18.41 and immediately sold 20,000 shares on the open market at ~$107.15, netting ~$2.14M. Director Matthew Posard also sold 3,100 shares for $329K. The CEO's option exercise and same-day sale is a routine cashless exercise pattern, not a conviction sale, and the total $1.99M in sales represents ~0.05% of HALO's ~$3.8B market cap — well below the 0.1% materiality threshold. This cluster is non-informative.

Key Financial Metrics

Direction
selling
Total Value
$2.0M
Insiders
2

Key Facts

  • CEO Torley exercised 20,000 options at $18.41 and sold 20,000 shares at ~$107.15 for ~$2.14M in proceeds
  • Director Posard sold 3,100 shares at $106.13 for $329K
  • Total insider sales of ~$1.99M represent ~0.05% of market cap — trivial
  • CEO's exercise-and-sale pattern is consistent with routine cashless exercise, not directional selling
  • No open-market purchases in the cluster

Financial Impact

Insider sales of ~$1.99M, ~0.05% of market cap — immaterial

dilution

Risk Factors

  • No material insider selling signal — the cluster is non-informative

Investment Themes

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-HALO-1789680059000
12 reports for HALO
Performance horizon
0% Hit rate @ T+1 0 of 3 directional calls Went positive at some point 0 of 3 best @ T+1▼ −0.23%Oct 20, 2026
Filters
Rows
Reports for HALO — sortable, filterable
TypeNow
Oct 22, 2026
4d ago
Press Release
NEUTRAL ★ 1/10
$124.54 $125.63▲ +0.88%▲ +1.40%$127.11 (+2.06%)
Oct 20, 2026
5d ago
Institutional Cluster
BULLISH ★ 4/10
$124.83 $124.54▼ −0.23%▲ +0.95%$127.11 (+1.83%)
Oct 15, 2026
11d ago
PTAB Trial
BEARISH ★ 7/10
$121.84 $122.50▼ −0.54%▼ −0.12%$127.11 (−4.33%)
Oct 15, 2026
11d ago
PTAB Trial
BEARISH ★ 7/10
$121.84 $122.50▼ −0.54%▼ −0.12%$127.11 (−4.33%)
Sep 18, 2026
5w ago
8-K
MIXED ★ 6/10
$112.45 $111.45▼ −0.89%▼ −2.44%$127.11 (+13.04%)
Sep 17, 2026
5w ago
Insider Cluster
NEUTRAL ★ 2/10
$112.45 $111.45▼ −0.89%▼ −2.44%$127.11 (+13.04%)
Aug 19, 2026
9w ago
Insider Cluster
NEUTRAL ★ 2/10
$106.12 $108.17▲ +1.93%▲ +1.52%$127.11 (+19.78%)
Jul 9, 2026
15w ago
Insider Cluster
NEUTRAL ★ 2/10
$76.20 $76.11▼ −0.12%▲ +0.65%$127.11 (+66.81%)
Jul 2, 2026
16w ago
Insider Cluster
NEUTRAL ★ 3/10
$80.78 $81.57▲ +0.98%▲ +1.45%$127.11 (+57.35%)
Jun 3, 2026
20w ago
Insider Cluster
NEUTRAL ★ 2/10
$71.60 $71.53▼ −0.10%▲ +2.50%$127.11 (+77.53%)
Showing 10 of 12

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Report published Sep 17, 2026