ADI discloses June unauthorized system access with files taken, plus a separate July cyber report

Analog Devices disclosed in an 8-K signed July 29, 2026 that it found unauthorized access to some company systems on June 23 and that certain files were taken. Operations were not interrupted, and the company said it does not believe the incident is reasonably likely to be material. It also said it was assessing public reports of an unrelated cyber matter learned of on July 26.

• Unauthorized access identified June 23, 2026; incident response and outside experts engaged.
• Some files were exfiltrated; investigation into the scope of the data is ongoing.
• No operational interruption reported; company does not expect a material business impact based on current information.
• Separate public reports about a different cyber matter were learned of on July 26; the company is assessing validity and scope.