Intrusion Inc SEC filings INTZ

Intrusion Inc has 906 filings in SEC EDGAR's recent list, going back to Jun 28, 1996. Its latest annual report, Form 10-K, was filed on Mar 25, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (listing notice). The company's fiscal year ends on December 31.

Intrusion Inc SEC filings
Form Description Filed Period
424B5 Prospectus supplement Jun 12, 2025 —
424B3 Prospectus Jun 12, 2025 —
424B5 Prospectus supplement Mar 17, 2025 —
S-3/A Amendment no 2. Jan 31, 2025 —
424B5 Prospectus supplement Jan 7, 2025 —
S-3/A Amendment to form s-3 Dec 17, 2024 —
S-3 Shelf registration Aug 15, 2024 —
424B1 Form 424b1 Jul 30, 2024 —
S-1 Registration statement Jul 19, 2024 —
424B5 Prospectus supplement Mar 14, 2024 —
424B5 Prospectus supplement Mar 13, 2024 —
S-8 Employee stock plan registration Feb 9, 2024 —
S-1/A Amended registration statement Dec 20, 2023 —
S-1 Registration statement Dec 11, 2023 —
S-1/A Amended registration statement Sep 18, 2023 —
FWP Free writing prospectus Aug 28, 2023 —
S-1/A Amended registration statement Aug 25, 2023 —
S-1 Registration statement Aug 11, 2023 —
424B5 Prospectus supplement Apr 11, 2023 —
424B5 Prospectus supplement Sep 14, 2022 —
424B5 Prospectus supplement Aug 4, 2022 —
424B5 Prospectus supplement Mar 28, 2022 —
424B2 Prospectus Aug 17, 2021 —
S-3/A Amendment no. 1 to form s-3 Aug 12, 2021 —
S-3 Shelf registration Aug 5, 2021 —
424B4 Prospectus Oct 9, 2020 —
S-1/A Amended registration statement Oct 5, 2020 —
S-1 Registration statement Aug 25, 2020 —
S-8 Employee stock plan registration May 10, 2018 —
S-8 Employee stock plan registration Jun 16, 2010 —
424B3 Prospectus Nov 9, 2007 —
424B3 Prospectus Aug 10, 2007 —
424B3 Prospectus May 15, 2007 —
POS AM Filing Apr 12, 2007 —
424B5 Prospectus supplement Jan 18, 2006 —
S-3 Shelf registration Jan 5, 2006 —
S-8 Employee stock plan registration Jun 15, 2005 —
424B5 Prospectus supplement May 24, 2005 —
S-3/A Filing May 19, 2005 —
S-3 Shelf registration Apr 22, 2005 —
424B5 Prospectus supplement Aug 9, 2004 —
S-3/A Filing Aug 6, 2004 —
S-3/A Filing Jul 23, 2004 —
S-3/A Filing Jun 14, 2004 —
S-3 Shelf registration Apr 20, 2004 —
S-8 Employee stock plan registration Jun 13, 2002 —
S-8 Employee stock plan registration May 15, 2001 —
S-8 Employee stock plan registration Mar 23, 2001 —
S-8 Employee stock plan registration May 28, 1998 —
S-8 Employee stock plan registration Dec 22, 1997 —

Showing 50 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Computer Communications Equipment (SIC 3576)
Listed as
INTZ (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Plano, TX
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
736012
Former names
INTRUSION COM INC (until Mar 21, 2001); ODS NETWORKS INC (until Mar 10, 2000); OPTICAL DATA SYSTEMS INC (until Apr 10, 1997)

Other Computer Communications Equipment companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.