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Boundless Bio, Inc.

For the period ended Jun 30, 2025. Filed Aug 5, 2025.

View on SEC.gov

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2025 · Filed Aug 5, 2025

BOLD$2.460.0%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Item 6. Exhibits

Exhibit · Incorporated by Reference · Filed
NumberDescriptionFormDateNumberHerewith
3.1Amended and Restated Certificate of Incorporation8-K4/2/20243.1
3.2Amended and Restated Bylaws8-K4/2/20243.2
31.1Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.X
31.2Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.X
32.1*Certifications of Principal Executive Officer and Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.X
101.INSInline XBRL Instance Document – the instance document does not appear in the Interactive Data File because XBRL tags are embedded within the Inline XBRL document.X
101.SCHInline XBRL Taxonomy Extension Schema With Embedded Linkbase DocumentsX
104Cover Page Interactive Data File (embedded within the Inline XBRL document)X
  • These certifications are deemed not filed for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section, nor shall they be deemed incorporated by reference into any filing under the Securities Act or the Exchange Act.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Boundless Bio, Inc.
Date: August 5, 2025By:/s/ Zachary D. Hornby
Zachary D. Hornby
President and Chief Executive Officer
(Principal Executive Officer)
Date: August 5, 2025By:/s/ David Hinkle
David Hinkle
Senior Vice President, Finance, Controller and Treasurer
(Principal Financial and Accounting Officer)
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.