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IN8BIO, INC.

For the period ended Jun 30, 2026. Filed Aug 6, 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.

Jun 30, 2026 · Filed Aug 6, 2026

INAB$0.94+1.5%Stored close · as of Nov 9, 2026

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Item 6. Exhibits

(3) Exhibits

ExhibitNumberDescription
3.1Amended and Restated Certificate of Incorporation of the Company (incorporated herein by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K (File No. 001-39692), filed with the SEC on August 3, 2021).
3.2Certificate of Amendment of the Amended and Restated Certificate of Incorporation of the Company (incorporated herein by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K (File No. 001-39692), filed with the SEC on June 4, 2025).
3.3Second Amended and Restated Bylaws of the Company (incorporated herein by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K (File No. 001-39692), filed with the SEC on December 7, 2023).
10.1+IN8bio, Inc. 2026 Inducement Plan.
10.2+Forms of Stock Option Grant Notice and Stock Option Agreement under the IN8bio, Inc. 2026 Inducement Plan.
10.3+Forms of Restricted Stock Unit Grant Notice and Restricted Stock Unit Award Agreement under the IN8bio, Inc. 2026 Inducement Plan.
10.4+Amended and Restated 2026 Equity Incentive Plan (incorporated herein by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K (File No. 001-39692), filed with the SEC on May 7, 2026).
10.5+Forms of Option Grant Notice and Option Agreement under the Amended and Restated 2026 Equity Incentive Plan (incorporated herein by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K (File No. 001-39692).
31.1Certification of Principal Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, as amended.
31.2Certification of Principal Financial Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, as amended.
32.1*Certification 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.
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.
101.SCHInline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents.
104Cover Page formatted as Inline XBRL and contained in Exhibit 101.
+Indicates a management contract or compensatory plan.
*This certification is being furnished solely to accompany this quarterly report on Form 10-Q pursuant to 18 U.S.C. Section 1350, and is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated by reference into any filing of the Registrant, whether made before or after the date hereof, regardless of any general incorporation language in such filing.
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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.