INTRUSION INC

For the period ended Jun 30, 2026. Filed Aug 11, 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 11, 2026

INTZ$0.54-17.6%Stored close · as of Nov 9, 2026

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Contents

Signature Page

The following Exhibits are filed or furnished with this Quarterly report on Form 10-Q:

Exhibit No.	Description
10.1	Note Purchase Agreement, dated as of April 6, 2026, by and between the registrant and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K filed on April 9, 2026).
31.1*	Certification of Chief Executive Officer Pursuant to Rule 13a-14(a) of the Exchange Act.
31.2*	Certification of Chief Financial Officer Pursuant to Rule 13a-14(a) of the Exchange Act.
32.1**	Certification Pursuant to Rule 13a-14(b) of the Exchange Act and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS*	XBRL Instance Document
101.SCH*	XBRL Taxonomy Extension Schema Document
101.CAL*	XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB*	XBRL Taxonomy Extension Label Linkbase Document
101.PRE*	XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF*	XBRL Taxonomy Extension Definition Linkbase Document
104*	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

*Filed herewith

**Furnished herewith.

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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.