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.
| Form | Description | Filed | Period |
|---|---|---|---|
| EFFECT | Filing | Feb 10, 2025 | — |
| CORRESP | Letter to the SEC | Feb 6, 2025 | — |
| UPLOAD | Letter from the SEC | Aug 20, 2024 | — |
| EFFECT | Filing | Jul 29, 2024 | — |
| CORRESP | Letter to the SEC | Jul 25, 2024 | — |
| UPLOAD | Letter from the SEC | Jul 24, 2024 | — |
| EFFECT | Filing | Dec 21, 2023 | — |
| CORRESP | Letter to the SEC | Dec 21, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 15, 2023 | — |
| RW | Request for withdrawal | Oct 10, 2023 | — |
| 8-A12B | Form | Sep 11, 2023 | — |
| EFFECT | Filing | Aug 16, 2021 | — |
| CORRESP | Letter to the SEC | Aug 12, 2021 | — |
| UPLOAD | Letter from the SEC | Aug 12, 2021 | — |
| EFFECT | Filing | Oct 8, 2020 | — |
| CERT | Filing | Oct 8, 2020 | — |
| 8-A12B | Form 8-a | Oct 8, 2020 | — |
| CORRESP | Letter to the SEC | Oct 7, 2020 | — |
| CORRESP | Letter to the SEC | Oct 7, 2020 | — |
| UPLOAD | Letter from the SEC | Aug 31, 2020 | — |
| 10KSB | Annual and transition reports of small business issuers | Mar 28, 2008 | Dec 31, 2007 |
| 10QSB | Quarterly and transition reports of small business issuers | Nov 9, 2007 | Sep 30, 2007 |
| 10QSB | Quarterly and transition reports of small business issuers | Aug 10, 2007 | Jun 30, 2007 |
| 10QSB | Quarterly and transition reports of small business issuers | May 15, 2007 | Mar 31, 2007 |
| EFFECT | Filing | Apr 26, 2007 | — |
| 10KSB | Annual and transition reports of small business issuers | Mar 30, 2007 | Dec 31, 2006 |
| 25-NSE | Delisting notice | Jan 18, 2007 | — |
| 10QSB | Quarterly and transition reports of small business issuers | Nov 13, 2006 | Sep 30, 2006 |
| 10QSB | Quarterly report pursuant to sections 13 or 15(d) | Aug 11, 2006 | Jun 30, 2006 |
| 10QSB | Quarterly and transition reports of small business issuers | May 12, 2006 | Mar 31, 2006 |
| UPLOAD | Letter from the SEC | Apr 17, 2006 | — |
| 10KSB | Annual and transition reports of small business issuers | Mar 29, 2006 | Dec 31, 2005 |
| REGDEX | Auto-generated paper document | Dec 16, 2005 | — |
| 10QSB | Quarterly and transition reports of small business issuers | Nov 10, 2005 | Sep 30, 2005 |
| 10QSB | Filing | Aug 12, 2005 | Jun 30, 2005 |
| 10QSB | Filing | May 12, 2005 | Mar 31, 2005 |
| PRER14A | Filing | Apr 15, 2005 | — |
| REGDEX | Auto-generated paper document | Apr 8, 2005 | — |
| 10KSB | Filing | Mar 29, 2005 | Dec 31, 2004 |
| REGDEX | Auto-generated paper document | Apr 8, 2004 | — |
| 10-K405 | Filing | Mar 20, 2002 | Dec 31, 2001 |
| 10-K405 | Filing | Mar 21, 2001 | Dec 31, 2000 |
| 10-K405 | Filing | Mar 10, 2000 | Dec 31, 1999 |
| 10-K405 | 99dfw1278 form 10-k | Mar 31, 1999 | Dec 31, 1998 |
| 10-K405 | Form 10-k405 | Mar 9, 1998 | Dec 31, 1997 |
| 15-15D | Filing | Jun 27, 1997 | — |
| 10-K405 | Filing | Mar 14, 1997 | Dec 31, 1996 |
| 11-K | Employee savings plan report | Jun 28, 1996 | Dec 31, 1995 |
Showing 48 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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
- Cisco Systems, Inc. CSCO
- Arista Networks, Inc. ANET
- F5, Inc. FFIV
- Extreme Networks Inc EXTR
- Digi International Inc DGII
- A10 Networks, Inc. ATEN
- Netgear, Inc. NTGR
- Allot Ltd. ALLT
Source: SEC EDGAR filings. This is company-reported data, not investment advice.