Insider Cluster (2 insiders) ·Filed Apr 27, 2026

WST

WEST PHARMACEUTICAL SERVICES INC
NEUTRAL
Impact 2/10
Horizondays Processed5mo ago
Insider cluster: 2 insiders, $1.1M total
Actionable Insight • Neutral

The insider sales are routine post-earnings option exercises with no bearish signal. Monitor for any unexpected insider sales exceeding 0.1% of market cap in the next 30 days, which would be more notable given the stock's elevated valuation post-earnings.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d
WST ▲ +19.10% at T+60d
NEUTRAL call ✓ call won +19.10% · α vs SPY +14.59% · entry $300.93 → $358.41
Entry anchored
Apr 24, 03:59 PM ET
via exchange tick
T+1d
-3.04%
call -3.04% · α -2.56%
$291.78
settled 5mo ago
T+5d
-0.42%
call -0.42% · α -0.82%
$299.68
settled 5mo ago
T+20d
+5.06%
call +5.06% · α +0.11%
$316.17
settled 4mo ago
T+60d
+19.10%
call +19.10% · α +14.59%
$358.41
settled 2mo ago

Price Chart

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Executive Summary

Two WST insiders (Sr. VP HR and VP/CAO) sold a combined $1.13M in open-market shares on April 27, 2026, following the company's strong Q1 earnings beat and raised guidance. The sales are routine post-earnings option exercises and tax-related dispositions, representing ~0.005% of market cap — trivial relative to the $20.6B company.

Key Financial Metrics

Direction
selling
Total Value
$1.1M
Insiders
2

Key Facts

  • Two insiders sold shares totaling $1.13M on April 27, 2026
  • Sales represent ~0.005% of WST's $20.6B market cap
  • Both sales were preceded by derivative exercises at $0 or below-market strike prices
  • Q1 2026 revenue of $844.9M (+21% YoY) and adjusted EPS of $2.13 (+46.9% YoY) beat consensus
  • Full-year 2026 guidance raised: revenue $3.295B-$3.350B, adjusted EPS $8.40-$8.75

Financial Impact

Total insider sales of $1.13M, or 0.005% of market cap — immaterial

dilutioninsider holdings

Risk Factors

  • Insider sales could accelerate if the stock continues to rally post-earnings
  • No material risk from this cluster given the trivial dollar amounts

Market Snapshot

Exchange
NYSE
Sector
Surgical & Medical Instruments & Apparatus
Analyst Consensus
78% bullish (23 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-WST-1777479776383
12 reports for WST
Performance horizon
50% Hit rate 2 of 4 directional calls best @ T+60▲ +16.33%Apr 23, 2026
Filters
Rows
Reports for WST — sortable, filterable
TypeNow
Jul 23, 2026
10w ago
8-K
BULLISH ★ 7/10
$355.48 $353.77▼ −0.48%▼ −3.79%$364.89 (+2.65%)
Jul 23, 2026
10w ago
Press Release
BULLISH ★ 7/10
$355.48 $353.77▼ −0.48%▼ −3.79%$364.89 (+2.65%)
Jul 7, 2026
12w ago
Press Release
NEUTRAL ★ 1/10
$356.08 $347.94▼ −2.29%▼ −3.62%$364.89 (+2.47%)
May 11, 2026
20w ago
8-K
BEARISH ★ 7/10
$311.82 $330.92▼ −6.12%▼ −7.85%$364.89 (−17.02%)
Apr 27, 2026
22w ago
Insider Cluster
NEUTRAL ★ 2/10
$300.93 $316.17▲ +5.06%▲ +0.11%$364.89 (+21.25%)
Apr 27, 2026
22w ago
Insider Cluster
NEUTRAL ★ 2/10
$300.93 $316.17▲ +5.06%▲ +0.11%$364.89 (+21.25%)
Apr 27, 2026
22w ago
Insider Cluster
NEUTRAL ★ 2/10
$300.93 $316.17▲ +5.06%▲ +0.11%$364.89 (+21.25%)
Apr 27, 2026
22w ago
Insider Cluster
NEUTRAL ★ 2/10
$300.93 $316.17▲ +5.06%▲ +0.11%$364.89 (+21.25%)
Apr 27, 2026
22w ago
Insider Cluster
NEUTRAL ★ 2/10
$300.93 $316.17▲ +5.06%▲ +0.11%$364.89 (+21.25%)
Apr 27, 2026
22w ago
Insider Cluster
NEUTRAL ★ 2/10
$300.93 $316.17▲ +5.06%▲ +0.11%$364.89 (+21.25%)
Showing 10 of 12

US Market Status

Market Closed — Opens Mon (65h 29m)

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Report published Apr 29, 2026