West Pharmaceutical Services (WST) shares rose 3% on Thursday after the company said it has restored its core enterprise systems following a recent cybersecurity attack.

The company is now fully operational across its manufacturing, supply chain and commercial sites globally, it said in a regulatory filing late Wednesday.

While the investigation into the nature and scope of the incident is ongoing, including with respect to the extent of data affected, no unauthorized activity or access has been observed since May 5, the company added.

West Pharmaceutical said the incident has not had a material impact on its Q2 and full-year 2026 financial guidance.

Price: 314.34, Change: +8.83, Percent Change: +2.89