Boundless Bio, Inc.
For the period ended Sep 30, 2026. Filed Nov 10, 2026.
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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.
Sep 30, 2026 · Filed Nov 10, 2026
BOLD$2.45-0.4%Stored close · as of Nov 10, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
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Item 6. Exhibits
| Exhibit · Incorporated by Reference · Filed | |||||
|---|---|---|---|---|---|
| Number | Description | Form | Date | Number | Herewith |
| 2.1+ | Agreement and Plan of Merger and Reorganization, dated June 22, 2026, by and among Boundless Bio, Inc., Boulder Merger Sub Corp. and Serapha Bio, Inc. | 8-K | 6/23/2026 | 2.1 | |
| 2.2 | Amendment No. 1 to Agreement and Plan of Merger and Reorganization, dated August 28, 2026, by and among Boundless Bio, Inc., Boulder Merger Sub Corp. and Serapha Bio, Inc. | 8-K | 8/28/2026 | 2.1 | |
| 3.1 | Amended and Restated Certificate of Incorporation | 8-K | 4/2/2024 | 3.1 | |
| 3.2 | Amended and Restated Bylaws | 8-K | 4/2/2024 | 3.2 | |
| 31.1 | Certification 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 | |||
| 31.2 | Certification 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.INS | Inline 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.SCH | Inline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents | X | |||
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) | X | |||
- Registrant has omitted schedules and exhibits pursuant to Item 601(a)(5) of Regulation S-K. The Registrant agrees to furnish supplementally a copy of the omitted schedules and exhibits to the SEC upon request.
- 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.
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