NETWORK-1 Technologies, Inc. SEC filings NTIP
NETWORK-1 Technologies, Inc. has 1,000 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 Aug 6, 2026, covering the quarter ended Jun 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 |
|---|---|---|---|
| NT 10-Q | Form 12b-25 (march 31, 2020) | May 15, 2020 | Mar 31, 2020 |
| UPLOAD | Letter from the SEC | Jan 17, 2017 | — |
| CORRESP | Letter to the SEC | Jan 12, 2017 | — |
| CORRESP | Letter to the SEC | Dec 27, 2016 | — |
| UPLOAD | Letter from the SEC | Dec 20, 2016 | — |
| EFFECT | Filing | Apr 24, 2015 | — |
| CERTNYS | Auto-generated paper document | Nov 14, 2014 | — |
| 8-A12B | Form 8-a12b | Nov 14, 2014 | — |
| EFFECT | Filing | Oct 1, 2014 | — |
| EFFECT | Filing | Apr 30, 2014 | — |
| EFFECT | Filing | Oct 17, 2013 | — |
| CORRESP | Letter to the SEC | Oct 15, 2013 | — |
| UPLOAD | Letter from the SEC | Oct 8, 2013 | — |
| UPLOAD | Letter from the SEC | Sep 12, 2013 | — |
| CT ORDER | Filing | Jul 23, 2013 | — |
| EFFECT | Filing | Apr 10, 2012 | — |
| UPLOAD | Letter from the SEC | Apr 2, 2012 | — |
| NT 10-Q | Form 10-q | Nov 15, 2011 | Sep 30, 2011 |
| CT ORDER | Filing | Oct 4, 2011 | — |
| EFFECT | Filing | Jun 24, 2011 | — |
| UPLOAD | Letter from the SEC | May 24, 2011 | — |
| NT 10-Q | Form 10-q | May 17, 2011 | Mar 31, 2011 |
| CT ORDER | Filing | Oct 6, 2010 | — |
| EFFECT | Filing | May 11, 2010 | — |
| NT 10-K | 12b-25 late notification | Mar 31, 2010 | Dec 31, 2009 |
| EFFECT | Filing | May 4, 2009 | — |
| EFFECT | Filing | Sep 30, 2008 | — |
| 10KSB | Network-1 security solutions, inc. | Apr 10, 2008 | Sep 30, 2007 |
| NT 10-K | Form 12b-25 for the year ended 12-31-07 | Apr 1, 2008 | Dec 31, 2007 |
| 10QSB | Form 10-qsb for quarter ended 9-30-07 | Nov 14, 2007 | Sep 30, 2007 |
| 10QSB | Form 10-qsb for quarter ended 6-30-07 | Aug 10, 2007 | Jun 30, 2007 |
| EFFECT | Filing | Jul 6, 2007 | — |
| SB-2 | Form sb-2 | Jun 13, 2007 | — |
| EFFECT | Filing | Jun 12, 2007 | — |
| 10QSB | Form 10-qsb for quarter ended 3-31-07 | May 15, 2007 | Mar 31, 2007 |
| REGDEX | Auto-generated paper document | Apr 30, 2007 | — |
| 10KSB | Form 10-ksb for year ended 12-31-06 | Apr 11, 2007 | Dec 31, 2006 |
| NT 10-K | Form 12b-25 for year ended 12-31-06 | Apr 2, 2007 | Dec 31, 2006 |
| 10QSB | Form 10-qsb for qtr. september 30, 2006 | Nov 14, 2006 | Sep 30, 2006 |
| 10QSB | Form 10-qsb for period ended june 30, 2006 | Aug 3, 2006 | Jun 30, 2006 |
| UPLOAD | Letter from the SEC | Jun 5, 2006 | — |
| 10QSB | Network-1 security solutions, inc. form 10-qsb | May 15, 2006 | Mar 31, 2006 |
| 10KSB | Network-1 security solutions, inc. form 10-ksb | Apr 12, 2006 | Dec 31, 2005 |
| NT 10-K | Form 12b-25 late notification | Mar 31, 2006 | Dec 31, 2005 |
| UPLOAD | Letter from the SEC | Dec 22, 2005 | — |
| CORRESP | Letter to the SEC | Dec 22, 2005 | — |
| CORRESP | Letter to the SEC | Dec 21, 2005 | — |
| 10KSB/A | Amended form 10-ksb (dated december 31, 2004) #2 | Nov 23, 2005 | Dec 31, 2004 |
| 10QSB/A | Amended form 10-qsb (june 30, 2005) | Nov 18, 2005 | Jun 30, 2005 |
| NT 10-Q | Network-1 security solutions, inc. form 12b-25 | Nov 15, 2005 | Sep 30, 2005 |
| 10QSB | Network-1 security solutions, inc. form 10-qsb | Nov 14, 2005 | Sep 30, 2005 |
| UPLOAD | Letter from the SEC | Oct 13, 2005 | — |
| 10QSB/A | Network-1 security solutions, inc. form 10-qsb/a | Aug 17, 2005 | Jun 30, 2005 |
| 10KSB/A | Network-1 security solutions, inc. form 10-ksb/a | Aug 17, 2005 | Dec 30, 2004 |
| 10QSB | Form 10-qsb for the quarter ender 6/30/05 | Aug 3, 2005 | Jun 30, 2005 |
| UPLOAD | Letter from the SEC | Jun 29, 2005 | — |
| 10QSB/A | Form 10-qsb/a (march 31, 2005) | Jun 14, 2005 | Mar 31, 2005 |
| 10QSB | Form 10-qsb for quarter ended 3/31/05 | May 16, 2005 | Mar 31, 2005 |
| 10KSB | Form 10-ksb for year ended 12-31-04 | Apr 14, 2005 | Dec 31, 2004 |
| NT 10-K | Network-1 security solutions, inc. form 12b-25 | Mar 31, 2005 | Dec 31, 2004 |
| REGDEX/A | Auto-generated paper document | Jan 28, 2005 | — |
| 10QSB | 10-qsb for the period ended 9/30/04 | Nov 15, 2004 | Sep 30, 2004 |
| 10QSB | Form 10-qsb for the period ended 6/30/04 | Aug 11, 2004 | Jun 30, 2004 |
| 10QSB | Form 10qsb - march 31, 2004 | May 17, 2004 | Mar 31, 2004 |
| 10KSB | Network-1 security solutions, inc. form 10-ksb | Apr 14, 2004 | Dec 31, 2003 |
| NT 10-K | Form 12b-25 for form 10-k dated 12/31/2003 | Mar 31, 2004 | Dec 31, 2003 |
| 10QSB | Network-1 security solutions, inc. form 10-qsb | Nov 17, 2003 | Sep 30, 2003 |
| 10QSB | Network-1 security solutions, inc. form 10-qsb | Nov 17, 2003 | Jun 30, 2003 |
| 10QSB | Filing | Nov 5, 2003 | Mar 31, 2003 |
| 10KSB | Network-1 security solutions, inc. form 10-ksb | Sep 25, 2003 | Dec 31, 2002 |
| NT 10-K | Form 10-k late notice | Mar 31, 2003 | Dec 31, 2002 |
| 10QSB | Network-1 security solutions, inc., form 10-qsb | Nov 19, 2002 | Sep 30, 2002 |
| NT 10-Q | Form 12b-25 late notification | Nov 15, 2002 | Sep 30, 2002 |
| 10QSB | Form 10-qsb for qtr. ended june 30, 2002 | Aug 16, 2002 | Jun 30, 2002 |
| NT 10-Q | Form 12b-15 late notification | Aug 14, 2002 | Jun 30, 2002 |
| 10QSB | Quarterly report for period ended 03/31/2002 | May 15, 2002 | Mar 31, 2002 |
| 10KSB/A | Network-1 security solutions, inc. form 10-ksb/a | Apr 29, 2002 | Dec 31, 2001 |
| 10KSB | Network-1 security solutions, inc. form 10-ksb | Apr 1, 2002 | Dec 31, 2001 |
| 10QSB | Network-1 security solutions, inc. form 10-qsb | Nov 19, 2001 | Sep 30, 2001 |
| NT 10-Q | Form 12b-25 (10-qsb late notification) | Nov 14, 2001 | Sep 30, 2001 |
| 10QSB | Network-1 security solutions, inc. form 10-qsb | Aug 20, 2001 | Jun 30, 2001 |
| NT 10-Q | Notice of late filing | Aug 14, 2001 | Jun 30, 2001 |
| 10QSB | Network-1 security solutions, inc. form 10-qsb | May 21, 2001 | Mar 31, 2001 |
| NT 10-Q | Form 12b-25 late filing notification | May 15, 2001 | Mar 31, 2001 |
| 10KSB/A | Amended form 10-ksb | Apr 30, 2001 | Dec 31, 2000 |
| 10KSB | Form 10-ksb (period ended 12/31/00) | Apr 17, 2001 | Dec 31, 2000 |
| NT 10-K | Form 12b-25 notification of late filing | Apr 2, 2001 | Dec 31, 2000 |
| 10QSB | Network-1 security solutions, inc form 10-qsb | Nov 14, 2000 | Sep 30, 2000 |
| DEFS14A | Definitive proxy statement for special meeting | Oct 5, 2000 | Nov 9, 2000 |
| 10QSB | Network-1 form 10-qsb dated june 30, 2000 | Aug 11, 2000 | Jun 30, 2000 |
| 10QSB | Network-1 security solutions / form 10-qsb | May 15, 2000 | Mar 31, 2000 |
| 10KSB40 | Form 10-k | Mar 21, 2000 | Dec 31, 1999 |
Showing 92 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.
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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.