908 Devices (MASS) Proxy filing summary

Executive summary

• Annual meeting scheduled for June 11, 2026, at 10:00 a.m. ET, to be held virtually.

• Proxy materials and 2025 Annual Report are available online for review and voting.

• Shareholders are encouraged to vote online or request paper copies of materials by May 27, 2026.

Voting matters and shareholder proposals

• Election of three Class III directors to serve until the 2029 annual meeting.

• Ratification of PricewaterhouseCoopers LLP as independent auditor for fiscal year ending December 31, 2026.

• Advisory vote on executive compensation (say-on-pay).

• Advisory vote on the frequency of future say-on-pay votes.

• Provision to transact any other business that may properly come before the meeting.

Board of directors and corporate governance

• Board recommends voting FOR all director nominees and FOR Proposals 2 and 3, and 1 YEAR for Proposal 4.

• Director nominees: Keith L. Crandell, Christopher Brown, Ph.D., and E. Kevin Hrusovsky.