JPMorgan Chase Bank, N.A. notified Massachusetts residents that a package containing checks and transaction paperwork (including names, addresses, and account numbers) went missing from a courier between a Foster City, CA branch and a processing facility. The incident occurred around March 10, 2026. The bank is working with the courier to locate the package and has opened a claim. No indication of inappropriate use was found. Affected individuals were advised to place fraud alerts or security freezes on their credit files.