WST WEST PHARMACEUTICAL SERVICES INC
Price Chart
Executive Summary
West Pharmaceutical (WST) disclosed a material cybersecurity attack on May 7, 2026, with data exfiltration and system encryption discovered on May 4. Operations were temporarily disrupted globally; core systems and critical processes at some sites have been restored, but full recovery timeline is unknown. Financial impact is not yet determinable.
Actionable Insight
Monitor for further disclosures on restoration timeline, data breach scope, and financial impact estimates. Expect potential earnings guidance withdrawal or reduction. Watch for class action lawsuits or regulatory investigations.
Key Facts
- Material cybersecurity attack determined on May 7, 2026; intrusion detected May 4.
- Data exfiltrated and systems encrypted; proactive shutdown and isolation of systems.
- Global business operations temporarily disrupted; core enterprise systems restored, shipping/receiving/manufacturing restarted at some sites.
- Investigation ongoing with Palo Alto Networks Unit 42 engaged.
- Material financial impact not yet determined.
Financial Impact
Not yet quantified; potential remediation costs, business interruption losses, and regulatory penalties.
Risk Factors
- Extended operational disruption could impact Q2 2026 revenue and margins.
- Remediation costs and potential regulatory fines or litigation expenses.
- Customer and partner trust erosion may affect future contracts.
Market Snapshot
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 8-K Filing (Primary) | 0000105770-26-000068 |
| Document: westcompanyalertswebsite.htm | 0000105770-26-000068 |
| Document: 0000105770-26-000068-index-headers.html | 0000105770-26-000068 |
| Document: 0000105770-26-000068-index.html | 0000105770-26-000068 |
| Document: 0000105770-26-000068.txt | 0000105770-26-000068 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
May 11, 2026
4w ago
|
8-K
| $311.82 $304.41 | ▲ +2.38% | ▲ +2.46% | $328.82 (−5.45%) |
|
Apr 27, 2026
6w ago
|
Insider Cluster
| $300.93 $299.68 | ▼ −0.42% | ▼ −0.82% | $328.82 (+9.27%) |
|
Apr 27, 2026
6w ago
|
Insider Cluster
| $300.93 $299.68 | ▼ −0.42% | ▼ −0.82% | $328.82 (+9.27%) |
|
Apr 27, 2026
6w ago
|
Insider Cluster
| $300.93 $299.68 | ▼ −0.42% | ▼ −0.82% | $328.82 (+9.27%) |
|
Apr 27, 2026
6w ago
|
Insider Cluster
| $300.93 $299.68 | ▼ −0.42% | ▼ −0.82% | $328.82 (+9.27%) |
|
Apr 27, 2026
6w ago
|
Insider Cluster
| $300.93 $299.68 | ▼ −0.42% | ▼ −0.82% | $328.82 (+9.27%) |
|
Apr 27, 2026
6w ago
|
Insider Cluster
| $300.93 $299.68 | ▼ −0.42% | ▼ −0.82% | $328.82 (+9.27%) |
|
Apr 23, 2026
7w ago
|
8-K
| $307.95 $295.36 | ▼ −4.09% | ▼ −5.57% | $328.82 (+6.78%) |
|
Mar 12, 2026
13w ago
|
DEFA14A
| $230.82 $240.05 | ▲ +4.00% | ▲ +4.98% | $328.82 (+42.45%) |
US Market Status
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