NETWORK-1 Technologies, Inc. SEC filings NTIP
NETWORK-1 Technologies, Inc. has 1,001 filings in SEC EDGAR's recent list, going back to Jan 27, 2000. Its latest annual report, Form 10-K, was filed on Mar 13, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Sep 22, 2026 (shareholder vote results). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Sep 22, 2026 | Sep 22, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2026 | — |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 10, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 9, 2026 | — |
| 4 | Insider transaction | Jan 9, 2026 | Jan 8, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Sep 23, 2025 | Sep 22, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 8, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 7, 2025 | — |
| 4 | Insider transaction | Jan 28, 2025 | Jan 24, 2025 |
| 4 | Insider transaction | Jan 10, 2025 | Jan 8, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Sep 9, 2024 | Sep 8, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 26, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 26, 2024 | Feb 23, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2024 | — |
| 4 | Insider transaction | Jan 26, 2024 | Jan 24, 2024 |
| 4 | Insider transaction | Jan 19, 2024 | Jan 18, 2024 |
| 4 | Insider transaction | Jan 10, 2024 | Jan 8, 2024 |
| 4 | Insider transaction | Sep 11, 2023 | Sep 8, 2023 |
| SC 13G | Ownership over 5% (passive) | Jul 7, 2023 | — |
| 4 | Insider transaction | Mar 23, 2023 | Mar 22, 2023 |
| 4 | Insider transaction | Mar 6, 2023 | Mar 3, 2023 |
| 4 | Insider transaction | Mar 6, 2023 | Mar 3, 2023 |
| 4 | Insider transaction | Mar 6, 2023 | Mar 3, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| 4 | Insider transaction | Jan 26, 2023 | Jan 24, 2023 |
| 4 | Insider transaction | Jan 19, 2023 | Jan 18, 2023 |
| 4 | Insider transaction | Jan 3, 2023 | Dec 29, 2022 |
| 3 | Initial insider ownership | Dec 23, 2022 | Dec 21, 2022 |
| 4 | Insider transaction | Oct 31, 2022 | Oct 27, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Mar 24, 2022 | Mar 22, 2022 |
| 4 | Insider transaction | Mar 15, 2022 | Mar 11, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 23, 2022 |
| 4 | Insider transaction | Feb 24, 2022 | Feb 23, 2022 |
| 4 | Insider transaction | Feb 24, 2022 | Feb 23, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| 4 | Insider transaction | Jan 19, 2022 | Jan 18, 2022 |
| 4 | Insider transaction | Dec 30, 2021 | Dec 29, 2021 |
| 4 | Insider transaction | Dec 30, 2021 | Dec 29, 2021 |
| 4 | Insider transaction | Dec 21, 2021 | Dec 20, 2021 |
| 4 | Insider transaction | Dec 21, 2021 | Dec 20, 2021 |
| 4 | Insider transaction | Jul 29, 2021 | Jul 27, 2021 |
| 4 | Insider transaction | May 28, 2021 | May 27, 2021 |
| 4 | Insider transaction | Apr 22, 2021 | Apr 20, 2021 |
| 4 | Insider transaction | Mar 29, 2021 | Mar 25, 2021 |
| 4 | Insider transaction | Feb 25, 2021 | Feb 23, 2021 |
| 4 | Insider transaction | Feb 25, 2021 | Feb 23, 2021 |
| 4 | Insider transaction | Feb 25, 2021 | Feb 23, 2021 |
| 4 | Insider transaction | Feb 17, 2021 | Feb 12, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2021 | — |
| 4 | Insider transaction | Dec 30, 2020 | Dec 29, 2020 |
| 4 | Insider transaction | Dec 28, 2020 | Dec 22, 2020 |
| 4 | Insider transaction | Dec 22, 2020 | Dec 20, 2020 |
| 4 | Insider transaction | Dec 22, 2020 | Dec 20, 2020 |
| 4 | Insider transaction | Dec 9, 2020 | Dec 7, 2020 |
| 4 | Insider transaction | Dec 1, 2020 | Nov 27, 2020 |
| 4 | Insider transaction | Dec 1, 2020 | Nov 27, 2020 |
| 4 | Insider transaction | Nov 20, 2020 | Nov 18, 2020 |
| 4 | Insider transaction | Oct 5, 2020 | Oct 1, 2020 |
| 4 | Insider transaction | Sep 25, 2020 | Sep 24, 2020 |
| 4 | Insider transaction | Jul 16, 2020 | Jul 14, 2020 |
| 4 | Insider transaction | Jul 1, 2020 | Jun 29, 2020 |
| 4 | Insider transaction | Feb 21, 2020 | Feb 19, 2020 |
| 4 | Insider transaction | Feb 21, 2020 | Feb 19, 2020 |
| 4 | Insider transaction | Feb 21, 2020 | Feb 19, 2020 |
| 5 | Annual insider ownership | Feb 10, 2020 | Dec 31, 2019 |
| 5 | Annual insider ownership | Feb 10, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Jan 24, 2020 | Jan 22, 2020 |
| 4 | Insider transaction | Jan 24, 2020 | Jan 22, 2020 |
| 4 | Insider transaction | Jan 23, 2020 | Jan 22, 2020 |
| 4 | Insider transaction | Dec 27, 2019 | Dec 24, 2019 |
| 4 | Insider transaction | Dec 2, 2019 | Nov 27, 2019 |
| 4 | Insider transaction | Dec 2, 2019 | Nov 27, 2019 |
| 4 | Insider transaction | Aug 22, 2019 | Aug 20, 2019 |
| 4 | Insider transaction | Jul 16, 2019 | Jul 14, 2019 |
| 4 | Insider transaction | Jun 11, 2019 | Jun 7, 2019 |
| 4 | Insider transaction | Apr 11, 2019 | Apr 9, 2019 |
| 4 | Insider transaction | Apr 11, 2019 | Apr 9, 2019 |
| 4 | Insider transaction | Mar 29, 2019 | Mar 26, 2019 |
| 4 | Insider transaction | Mar 22, 2019 | Mar 20, 2019 |
| 4 | Insider transaction | Feb 15, 2019 | Feb 13, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2019 | — |
| 5 | Annual insider ownership | Feb 4, 2019 | Dec 31, 2018 |
| 5 | Annual insider ownership | Feb 4, 2019 | Dec 31, 2018 |
| 4 | Insider transaction | Jan 16, 2019 | Jan 15, 2019 |
| 4 | Insider transaction | Jan 16, 2019 | Jan 15, 2019 |
| 4 | Insider transaction | Jan 16, 2019 | Jan 15, 2019 |
| 4 | Insider transaction | Nov 29, 2018 | Nov 27, 2018 |
| 4 | Insider transaction | Nov 28, 2018 | Nov 27, 2018 |
| 4 | Insider transaction | Jul 17, 2018 | Jul 14, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 26, 2018 | — |
| 4 | Insider transaction | Jun 25, 2018 | Jun 22, 2018 |
| 4 | Insider transaction | Jun 19, 2018 | Jun 17, 2018 |
| 4 | Insider transaction | Jun 12, 2018 | Jun 9, 2018 |
| 4 | Insider transaction | Jun 12, 2018 | Jun 9, 2018 |
| 4 | Insider transaction | May 31, 2018 | May 30, 2018 |
| 4 | Insider transaction | Mar 12, 2018 | Mar 8, 2018 |
| 4 | Insider transaction | Mar 12, 2018 | Mar 8, 2018 |
| 4 | Insider transaction | Mar 12, 2018 | Mar 8, 2018 |
| 5 | Annual insider ownership | Feb 8, 2018 | Dec 31, 2017 |
| 4 | Insider transaction | Jan 24, 2018 | Jan 23, 2018 |
| 4 | Insider transaction | Jan 12, 2018 | Jan 11, 2018 |
| 4 | Insider transaction | Jan 10, 2018 | Jan 8, 2018 |
| 4 | Insider transaction | Dec 18, 2017 | Dec 14, 2017 |
| 4 | Insider transaction | Dec 14, 2017 | Dec 12, 2017 |
| 4 | Insider transaction | Dec 1, 2017 | Dec 1, 2017 |
| 4 | Insider transaction | Nov 3, 2017 | Nov 2, 2017 |
| 4 | Insider transaction | Oct 11, 2017 | Oct 9, 2017 |
| 4 | Insider transaction | Sep 29, 2017 | Sep 27, 2017 |
| 4 | Insider transaction | Jun 13, 2017 | Jun 9, 2017 |
| 4 | Insider transaction | Jun 13, 2017 | Jun 9, 2017 |
| 4 | Insider transaction | May 16, 2017 | May 15, 2017 |
| 4 | Insider transaction | May 10, 2017 | May 9, 2017 |
| 4 | Insider transaction | May 3, 2017 | May 2, 2017 |
| 4 | Insider transaction | Apr 28, 2017 | Apr 27, 2017 |
| 4 | Insider transaction | Mar 28, 2017 | Mar 27, 2017 |
| 4 | Insider transaction | Mar 17, 2017 | Mar 16, 2017 |
| 4 | Insider transaction | Feb 28, 2017 | Feb 24, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2017 | — |
| 5 | Annual insider ownership | Feb 13, 2017 | Dec 31, 2016 |
| 5 | Annual insider ownership | Feb 10, 2017 | Dec 31, 2016 |
| 4 | Insider transaction | Feb 3, 2017 | Feb 2, 2017 |
| 4 | Insider transaction | Feb 3, 2017 | Feb 2, 2017 |
| 4 | Insider transaction | Feb 3, 2017 | Feb 2, 2017 |
| 4 | Insider transaction | Dec 14, 2016 | Dec 13, 2016 |
| 4 | Insider transaction | Dec 12, 2016 | Dec 9, 2016 |
| 4 | Insider transaction | Dec 12, 2016 | Dec 9, 2016 |
| 4 | Insider transaction | Dec 9, 2016 | Dec 7, 2016 |
| 4 | Insider transaction | Dec 5, 2016 | Dec 1, 2016 |
| 4 | Insider transaction | Aug 23, 2016 | Aug 19, 2016 |
| 4 | Insider transaction | Jul 18, 2016 | Jul 14, 2016 |
| 4 | Insider transaction | Jun 13, 2016 | Jun 9, 2016 |
| 4 | Insider transaction | Jun 13, 2016 | Jun 9, 2016 |
| 4 | Insider transaction | Jun 13, 2016 | Jun 9, 2016 |
| 4 | Insider transaction | Jun 13, 2016 | Jun 9, 2016 |
| 4 | Insider transaction | Jun 13, 2016 | Jun 9, 2016 |
| 4 | Insider transaction | Apr 29, 2016 | Apr 28, 2016 |
| 4 | Insider transaction | Mar 10, 2016 | Mar 7, 2016 |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2016 | — |
| 4 | Insider transaction | Feb 4, 2016 | Feb 2, 2016 |
| 5 | Annual insider ownership | Feb 3, 2016 | Dec 31, 2015 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 15, 2016 | — |
| 4 | Insider transaction | Nov 23, 2015 | Nov 20, 2015 |
| 4 | Insider transaction | Jul 30, 2015 | Jul 28, 2015 |
| 4 | Insider transaction | Jun 19, 2015 | Jun 19, 2015 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 19, 2015 | — |
| 4 | Insider transaction | Apr 16, 2015 | Apr 14, 2015 |
| 4 | Insider transaction | Apr 3, 2015 | Apr 1, 2015 |
| 5 | Annual insider ownership | Feb 5, 2015 | Dec 31, 2014 |
| 4 | Insider transaction | Jan 26, 2015 | Jan 22, 2015 |
| 4 | Insider transaction | Jan 26, 2015 | Jan 22, 2015 |
| 4 | Insider transaction | Jan 26, 2015 | Jan 22, 2015 |
| 4 | Insider transaction | Sep 26, 2014 | Sep 24, 2014 |
| 4 | Insider transaction | Jun 20, 2014 | Jun 18, 2014 |
| 4 | Insider transaction | Jun 18, 2014 | Jun 16, 2014 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 10, 2014 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 3, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | May 30, 2014 | — |
| 4 | Insider transaction | May 13, 2014 | May 12, 2014 |
| 4 | Insider transaction | Apr 16, 2014 | Apr 14, 2014 |
| 4 | Insider transaction | Apr 16, 2014 | Apr 14, 2014 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 14, 2014 | — |
| 4 | Insider transaction | Apr 11, 2014 | Apr 9, 2014 |
| 4 | Insider transaction | Apr 11, 2014 | Apr 9, 2014 |
| 4 | Insider transaction | Apr 10, 2014 | Apr 9, 2014 |
| 4 | Insider transaction | Apr 10, 2014 | Apr 9, 2014 |
| 4 | Insider transaction | Apr 10, 2014 | Apr 9, 2014 |
| 5 | Annual insider ownership | Feb 14, 2014 | Dec 31, 2013 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2014 | — |
| 4 | Insider transaction | Feb 4, 2014 | Jan 31, 2014 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 31, 2014 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 31, 2014 | — |
| 4 | Insider transaction | Jan 31, 2014 | Jan 29, 2014 |
| 4 | Insider transaction | Jan 15, 2014 | Jan 14, 2014 |
| 4/A | Form 4 - corey m horowitz | Jan 2, 2014 | Dec 30, 2013 |
| 4/A | Form 4 - corey m horowitz | Jan 2, 2014 | Dec 30, 2013 |
| 4 | Insider transaction | Dec 19, 2013 | Dec 17, 2013 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 1, 2013 | — |
| 4 | Insider transaction | Oct 18, 2013 | Oct 17, 2013 |
| 3 | Initial insider ownership | Oct 18, 2013 | Oct 9, 2013 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 10, 2013 | — |
| 4 | Insider transaction | Oct 9, 2013 | Oct 7, 2013 |
| 4/A | Form 4 | Oct 2, 2013 | Sep 12, 2013 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 1, 2013 | — |
| 4 | Insider transaction | Sep 16, 2013 | Sep 12, 2013 |
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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Patent Owners & Lessors (SIC 6794)
- Listed as
- NTIP (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- MA
- Headquarters
- New Canaan, CT
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1065078
- Former names
- NETWORK 1 TECHNOLOGIES INC (until Sep 14, 2021); NETWORK 1 SECURITY SOLUTIONS INC (until Oct 10, 2013)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.