Boundless Bio (BOLD) Proxy filing summary

Executive summary

• Annual meeting scheduled for June 15, 2026, via live webcast for stockholders of record as of April 20, 2026.

• Proxy materials, including the Notice of Annual Meeting, Proxy Statement, and Annual Report on Form 10-K, are available online and by request in paper or email format.

Voting matters and shareholder proposals

• Stockholders will vote on the election of two director nominees: James Christensen, Ph.D., and Jennifer Lew.

• Proposal to ratify the appointment of KPMG LLP as the independent registered public accounting firm for the fiscal year ending December 31, 2026.

• Board recommends a vote for each director nominee and for the auditor ratification proposal.

• Additional business may be transacted as appropriate during the meeting or any adjournment.

Board of directors and corporate governance

• Board of directors includes nominees James Christensen, Ph.D., and Jennifer Lew, up for election at the annual meeting.