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 |
|---|---|---|---|
| 8-K |
Current report
Listing notice
|
Nov 5, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change, Regulation FD disclosure, Other events
|
Nov 2, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Oct 9, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 9, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 9, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Officer or director change
|
Sep 15, 2026 | Sep 14, 2026 |
| 144 | Notice of proposed sale | Sep 4, 2026 | — |
| 4 | Insider transaction | Sep 4, 2026 | Sep 4, 2026 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Sep 3, 2026 | Aug 28, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Aug 27, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Aug 27, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Aug 27, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Aug 27, 2026 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Shareholder vote results
|
Aug 28, 2026 | Aug 28, 2026 |
| 4 | Insider transaction | Aug 26, 2026 | Aug 26, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 19, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 19, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 19, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Aug 18, 2026 | Aug 14, 2026 |
| 10-Q | Quarterly report | Aug 11, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2026 | Aug 11, 2026 |
| DEFA14A | Additional proxy material | Aug 3, 2026 | — |
| 4 | Insider transaction | Jul 30, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 1, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 22, 2026 | Jul 21, 2026 |
| DEF 14A | Proxy statement | Jul 20, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jun 30, 2026 |
| PRE 14A | Preliminary proxy statement | Jul 8, 2026 | Jul 3, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 8, 2026 | — |
| 4 | Insider transaction | Jul 7, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Jun 30, 2026 | Jun 29, 2026 |
| 10-Q | Quarterly report | May 14, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 14, 2026 | May 14, 2026 |
| 8-K |
Current report
Listing notice
|
May 13, 2026 | May 7, 2026 |
| 8-K |
Current report
Material agreement
|
Apr 9, 2026 | Apr 6, 2026 |
| 10-K | Annual report | Mar 25, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 24, 2026 | Mar 24, 2026 |
| 4 | Insider transaction | Jan 26, 2026 | Jan 22, 2026 |
| 4 | Insider transaction | Jan 26, 2026 | Jan 22, 2026 |
| 4 | Insider transaction | Jan 12, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 12, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Dec 4, 2025 | Dec 2, 2025 |
| 10-Q | Quarterly report | Nov 12, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2025 | Nov 11, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Aug 25, 2025 | Aug 19, 2025 |
| 4 | Insider transaction | Aug 21, 2025 | Aug 19, 2025 |
| 4 | Insider transaction | Aug 21, 2025 | Aug 19, 2025 |
| 4 | Insider transaction | Aug 21, 2025 | Aug 19, 2025 |
| 4 | Insider transaction | Aug 21, 2025 | Aug 19, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 10-Q | Quarterly report | Aug 12, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2025 | Aug 12, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| DEF 14A | Proxy statement | Jul 2, 2025 | Aug 18, 2025 |
| 8-K |
Current report
Material agreement
|
Jun 12, 2025 | Jun 12, 2025 |
| 424B5 | Prospectus supplement | Jun 12, 2025 | — |
| 424B3 | Prospectus | Jun 12, 2025 | — |
| 8-K |
Current report
Agreement ended, Other events
|
Jun 12, 2025 | Jun 6, 2025 |
| 4 | Insider transaction | May 7, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | May 7, 2025 | Mar 24, 2025 |
| 10-K/A | Amended annual report | Apr 30, 2025 | Dec 31, 2024 |
| 10-Q | Quarterly report | Apr 29, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | Apr 28, 2025 | Aug 27, 2024 |
| 8-K |
Current report
Unregistered share sale
|
Mar 21, 2025 | Mar 17, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Mar 17, 2025 | Mar 13, 2025 |
| 424B5 | Prospectus supplement | Mar 17, 2025 | — |
| 8-K |
Current report
Unregistered share sale
|
Mar 11, 2025 | Mar 11, 2025 |
| 10-K | Annual report | Feb 27, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2025 | Feb 27, 2025 |
| EFFECT | Filing | Feb 10, 2025 | — |
| CORRESP | Letter to the SEC | Feb 6, 2025 | — |
| S-3/A | Amendment no 2. | Jan 31, 2025 | — |
| 8-K |
Current report
Other events
|
Jan 30, 2025 | Jan 29, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 15, 2025 | Jan 15, 2025 |
| 4/A | Filing | Jan 13, 2025 | Jun 28, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jan 7, 2025 | Jan 6, 2025 |
| 424B5 | Prospectus supplement | Jan 7, 2025 | — |
| 4 | Insider transaction | Jan 6, 2025 | Jun 28, 2024 |
| 4 | Insider transaction | Jan 6, 2025 | Jun 28, 2024 |
| 8-K |
Current report
Unregistered share sale, Regulation FD disclosure
|
Jan 3, 2025 | Dec 30, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 27, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 27, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 27, 2024 |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 27, 2024 | — |
| 8-K |
Current report
Other events
|
Dec 20, 2024 | Dec 17, 2024 |
| S-3/A | Amendment to form s-3 | Dec 17, 2024 | — |
| 8-K |
Current report
Other events
|
Nov 27, 2024 | Nov 21, 2024 |
| 8-K |
Current report
Unregistered share sale
|
Nov 22, 2024 | Nov 18, 2024 |
| 10-Q | Quarterly report | Nov 13, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 12, 2024 | Nov 11, 2024 |
| 8-K |
Current report
Listing notice
|
Oct 29, 2024 | Oct 28, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 8, 2024 | Oct 8, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 26, 2024 | Sep 26, 2024 |
| 4 | Insider transaction | Sep 19, 2024 | Sep 18, 2024 |
| 3 | Initial insider ownership | Sep 16, 2024 | Aug 27, 2024 |
| 4 | Insider transaction | Sep 13, 2024 | Sep 12, 2024 |
| 4 | Insider transaction | Sep 13, 2024 | Sep 11, 2024 |
| 4 | Insider transaction | Sep 13, 2024 | Sep 12, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Sep 3, 2024 | Aug 27, 2024 |
| UPLOAD | Letter from the SEC | Aug 20, 2024 | — |
| S-3 | Shelf registration | Aug 15, 2024 | — |
| 10-Q | Quarterly report | Aug 14, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2024 | Aug 13, 2024 |
| 424B1 | Form 424b1 | Jul 30, 2024 | — |
| EFFECT | Filing | Jul 29, 2024 | — |
| CORRESP | Letter to the SEC | Jul 25, 2024 | — |
| UPLOAD | Letter from the SEC | Jul 24, 2024 | — |
| S-1 | Registration statement | Jul 19, 2024 | — |
| DEF 14A | Proxy statement | Jul 15, 2024 | Aug 27, 2024 |
| 8-K |
Current report
Unregistered share sale
|
Jul 10, 2024 | Jul 3, 2024 |
| PRE 14A | Preliminary proxy statement | Jul 5, 2024 | Aug 27, 2024 |
| 8-K |
Current report
Officer or director change
|
Jul 1, 2024 | Jul 1, 2024 |
| 8-K |
Current report
Unregistered share sale
|
Jun 5, 2024 | May 30, 2024 |
| 8-K |
Current report
Unregistered share sale
|
May 16, 2024 | May 10, 2024 |
| 8-K |
Current report
Change to shareholder rights
|
May 15, 2024 | May 9, 2024 |
| 10-Q | Quarterly report | May 15, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 14, 2024 | May 14, 2024 |
| 8-K |
Current report
Other events
|
May 2, 2024 | May 1, 2024 |
| 4 | Insider transaction | Apr 25, 2024 | Apr 22, 2024 |
| 4 | Insider transaction | Apr 25, 2024 | Apr 22, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Apr 23, 2024 | Apr 22, 2024 |
| 8-K |
Current report
Unregistered share sale
|
Apr 12, 2024 | Apr 8, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Apr 5, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 4, 2024 | Apr 2, 2024 |
| 4 | Insider transaction | Apr 4, 2024 | Apr 2, 2024 |
| 4 | Insider transaction | Apr 4, 2024 | Apr 4, 2024 |
| 10-K | Annual report | Apr 1, 2024 | Dec 31, 2023 |
| 8-K/A |
Amended current report
Listing notice, Bylaw or fiscal year change
|
Mar 28, 2024 | Mar 21, 2024 |
| 8-K |
Current report
Listing notice, Bylaw or fiscal year change
|
Mar 27, 2024 | Mar 21, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2024 | Mar 26, 2024 |
| 8-K |
Current report
Other events
|
Mar 22, 2024 | Mar 11, 2024 |
| 8-K |
Current report
Material agreement, Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure, Other events
|
Mar 18, 2024 | Mar 15, 2024 |
| 424B5 | Prospectus supplement | Mar 14, 2024 | — |
| 424B5 | Prospectus supplement | Mar 13, 2024 | — |
| 8-K |
Current report
Unregistered share sale
|
Mar 13, 2024 | Mar 7, 2024 |
| 8-K |
Current report
Other events
|
Mar 6, 2024 | Mar 4, 2024 |
| 8-K |
Current report
Other events
|
Feb 21, 2024 | Feb 8, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 20, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| S-8 | Employee stock plan registration | Feb 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 31, 2024 | Jan 31, 2024 |
| DEF 14A | Proxy statement | Jan 25, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 24, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Jan 24, 2024 | Dec 31, 2023 |
| PRE 14A | Preliminary proxy statement | Jan 12, 2024 | Mar 15, 2024 |
| 8-K |
Current report
Material agreement
|
Jan 9, 2024 | Sep 28, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 4, 2024 | Jan 2, 2024 |
| 8-K |
Current report
Unregistered share sale
|
Dec 22, 2023 | Dec 19, 2023 |
| EFFECT | Filing | Dec 21, 2023 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 21, 2023 | Dec 18, 2023 |
| CORRESP | Letter to the SEC | Dec 21, 2023 | — |
| S-1/A | Amended registration statement | Dec 20, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 15, 2023 | — |
| S-1 | Registration statement | Dec 11, 2023 | — |
| 10-Q | Quarterly report | Nov 14, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2023 | Nov 14, 2023 |
| 4 | Insider transaction | Nov 13, 2023 | Nov 8, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 8, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 8, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 8, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 8, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 8, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 8, 2023 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Nov 9, 2023 | Nov 8, 2023 |
| 4 | Insider transaction | Nov 7, 2023 | Nov 2, 2023 |
| 8-K |
Current report
Listing notice
|
Oct 27, 2023 | Oct 26, 2023 |
| 8-K |
Current report
Unregistered share sale
|
Oct 17, 2023 | Oct 11, 2023 |
| 4 | Insider transaction | Oct 13, 2023 | Sep 28, 2023 |
| 3 | Initial insider ownership | Oct 13, 2023 | Sep 28, 2023 |
| SC 13G | Ownership over 5% (passive) | Oct 12, 2023 | — |
| RW | Request for withdrawal | Oct 10, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 10, 2023 | Oct 10, 2023 |
| 8-K |
Current report
Material agreement, Listing notice, Bylaw or fiscal year change, Other events
|
Oct 2, 2023 | Sep 26, 2023 |
| S-1/A | Amended registration statement | Sep 18, 2023 | — |
| 8-A12B | Form | Sep 11, 2023 | — |
| FWP | Free writing prospectus | Aug 28, 2023 | — |
| S-1/A | Amended registration statement | Aug 25, 2023 | — |
| 8-K |
Current report
Results of operations
|
Aug 14, 2023 | Aug 14, 2023 |
| 10-Q | Quarterly report | Aug 14, 2023 | Jun 30, 2023 |
| S-1 | Registration statement | Aug 11, 2023 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Aug 7, 2023 | Aug 7, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 20, 2023 | Jul 17, 2023 |
| 8-K |
Current report
Officer or director change
|
May 25, 2023 | May 19, 2023 |
| 8-K |
Current report
Material agreement
|
May 22, 2023 | May 16, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2023 | May 16, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 16, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 16, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 16, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 16, 2023 |
| 10-Q | Quarterly report | May 15, 2023 | Mar 31, 2023 |
Showing 200 filings, the most recent 200. 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.
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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
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.