NETWORK-1 TECHNOLOGIES, INC. (NTIP)

Latest Insider Confidence Score

2026Q1

51.4
Bullish

Company insider confidence (by quarter)

2003Q4 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Horowitz Corey M CEO 2,813,383 Mar 26, 2024
Heinemann Steven D. 10% Owner 585,233 Jul 29, 2021
Woodland Venture Fund 530,660 Apr 15, 2004
Fingerhut Barry K 10% Owner 517,243 Feb 17, 2005
Lieber Irwin 10% Owner 509,483 Feb 17, 2005

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 27, 2026 Mar 3, 2026 HARIZMAN NIV Director Neutral 82.5 +15,000 4.51% -
Feb 27, 2026 Mar 3, 2026 Hoffman Allison C Director Neutral 90.0 +15,000 12.42% -
Feb 18, 2026 Feb 20, 2026 Mahan Robert Michael CFO Neutral 52.5 - 0.00% -
Feb 18, 2026 Feb 20, 2026 Greene Jonathan M Executive VP & Secretary Neutral 52.5 - 0.00% -
Jan 8, 2026 Jan 9, 2026 Greene Jonathan M Executive VP & Secretary Sell 82.5 +4,826 3.98% $3.6K
Jan 2, 2026 Jan 6, 2026 Greene Jonathan M Executive VP & Secretary Sell 85.0 +8,044 7.10% $5.8K
Sep 22, 2025 Sep 23, 2025 Mahan Robert Michael CFO Neutral 52.5 - 0.00% -
Sep 8, 2025 Sep 8, 2025 Mahan Robert Michael CFO Neutral 90.0 +25,000 100.00% -
Feb 19, 2025 Feb 21, 2025 HARIZMAN NIV Director Neutral 82.5 +15,000 4.73% -
Feb 19, 2025 Feb 21, 2025 Hoffman Allison C Director Neutral 90.0 +15,000 14.21% -
Jan 24, 2025 Jan 28, 2025 Greene Jonathan M Executive VP & Secretary Sell 82.5 +4,826 4.45% $3.7K
Jan 8, 2025 Jan 10, 2025 Greene Jonathan M Executive VP & Secretary Sell 82.5 +4,826 4.66% $3.8K
Jan 2, 2025 Jan 3, 2025 Greene Jonathan M Executive VP & Secretary Neutral 52.5 - 0.00% -
Sep 8, 2024 Sep 9, 2024 Mahan Robert Michael CFO Neutral 90.0 +25,000 100.00% -
Mar 22, 2024 Mar 26, 2024 HOROWITZ COREY M CEO Sell 51.3 -23,505 -0.34% $49.1K
Feb 23, 2024 Feb 27, 2024 HARIZMAN NIV Director Neutral 82.5 +15,000 4.96% -
Feb 23, 2024 Feb 26, 2024 Hoffman Allison C Director Neutral 90.0 +15,000 16.56% -
Feb 23, 2024 Feb 26, 2024 PEARLMAN EMANUEL R Director Neutral 90.0 +15,000 11.69% -
Jan 24, 2024 Jan 26, 2024 Greene Jonathan M Executive VP & Secretary Sell 82.5 +4,826 4.89% $5.8K
Jan 18, 2024 Jan 19, 2024 Greene Jonathan M Executive VP & Secretary Sell 85.0 +4,826 5.14% $5.7K
Jan 8, 2024 Jan 10, 2024 Greene Jonathan M Executive VP & Secretary Neutral 52.5 - 0.00% -
Sep 8, 2023 Sep 11, 2023 Mahan Robert Michael CFO Neutral 52.5 - 0.00% -
Mar 22, 2023 Mar 23, 2023 HOROWITZ COREY M CEO Sell 45.0 -36,350 -0.54% $77.1K
Mar 3, 2023 Mar 6, 2023 HARIZMAN NIV Director Neutral 85.0 +15,000 5.22% -
Mar 3, 2023 Mar 6, 2023 PEARLMAN EMANUEL R Director Neutral 90.0 +15,000 13.24% -
Mar 3, 2023 Mar 6, 2023 Hoffman Allison C Director Neutral 90.0 +15,000 19.85% -
Jan 24, 2023 Jan 26, 2023 Greene Jonathan M Executive VP & Secretary Neutral 52.5 - 0.00% -
Jan 18, 2023 Jan 19, 2023 Greene Jonathan M Executive VP & Secretary Sell 85.0 +4,751 5.33% $6K
Dec 29, 2022 Jan 3, 2023 Greene Jonathan M Executive VP & Secretary Sell 82.5 +3,477 4.06% $3.4K
Dec 23, 2022 Mahan Robert Michael CFO Neutral 52.5 - 0.00% -
Oct 27, 2022 Oct 31, 2022 HOROWITZ COREY M CEO Sell 40.0 -334,459 -4.77% $829.5K
Jun 1, 2022 Jun 3, 2022 Hoffman Allison C Director Sell 22.5 -41,500 -39.22% $100.4K
Mar 22, 2022 Mar 24, 2022 HOROWITZ COREY M CEO Neutral 52.5 - 0.00% -
Mar 11, 2022 Mar 15, 2022 HOROWITZ COREY M CEO Sell 45.0 -45,438 -0.69% $115K
Feb 23, 2022 Feb 25, 2022 Hoffman Allison C Director Neutral 90.0 +15,000 14.70% -
Feb 23, 2022 Feb 24, 2022 PEARLMAN EMANUEL R Director Neutral 90.0 +15,000 15.26% -
Feb 23, 2022 Feb 24, 2022 HARIZMAN NIV Director Neutral 85.0 +15,000 5.51% -
Jan 18, 2022 Jan 19, 2022 Greene Jonathan M President Neutral 52.5 - 0.00% -
Dec 29, 2021 Dec 30, 2021 Greene Jonathan M President Sell 82.5 +3,527 4.29% $4.2K
Dec 29, 2021 Dec 30, 2021 KAHN DAVID C CFO Sell 77.5 +2,627 2.32% $3.2K
Dec 20, 2021 Dec 21, 2021 KAHN DAVID C CFO Sell 77.5 +2,627 2.37% $3K
Dec 20, 2021 Dec 21, 2021 Greene Jonathan M President Sell 82.5 +3,527 4.48% $4K
Jul 27, 2021 Jul 29, 2021 Heinemann Steven D. 10% Owner Sell 20.0 -150,000 -6.10% $539.2K
May 27, 2021 May 28, 2021 PEARLMAN EMANUEL R Director Sell 22.5 -40,000 -31.48% $130.8K
Apr 20, 2021 Apr 22, 2021 Heinemann Steven D. 10% Owner Sell 22.5 -38,027 -1.52% $128.9K
Mar 25, 2021 Mar 29, 2021 Heinemann Steven D. 10% Owner Sell 22.5 -31,816 -1.26% $104.4K
Feb 23, 2021 Feb 25, 2021 HARIZMAN NIV Director Neutral 85.0 +15,000 5.83% -
Feb 23, 2021 Feb 25, 2021 Hoffman Allison C Director Neutral 90.0 +15,000 17.23% -
Feb 23, 2021 Feb 25, 2021 PEARLMAN EMANUEL R Director Neutral 90.0 +15,000 12.16% -
Feb 12, 2021 Feb 17, 2021 Heinemann Steven D. 10% Owner Sell 22.5 -60,500 -2.34% $225.2K
Dec 29, 2020 Dec 30, 2020 Greene Jonathan M President Sell 26.3 -5,000 -5.98% $16.5K
Dec 22, 2020 Dec 28, 2020 Heinemann Steven D. 10% Owner Sell 32.5 -24,000 -0.92% $82.7K
Dec 20, 2020 Dec 22, 2020 KAHN DAVID C CFO Sell 77.5 +2,627 2.43% $3.9K
Dec 20, 2020 Dec 22, 2020 Greene Jonathan M President Sell 82.5 +3,527 4.40% $5.1K
Dec 7, 2020 Dec 9, 2020 Heinemann Steven D. 10% Owner Sell 22.5 -29,171 -1.10% $93.8K
Nov 27, 2020 Dec 1, 2020 Greene Jonathan M President Sell 91.3 +17,637 28.22% $21.4K
Nov 27, 2020 Dec 1, 2020 KAHN DAVID C CFO Sell 91.3 +14,012 14.88% $17.4K
Nov 18, 2020 Nov 20, 2020 Heinemann Steven D. 10% Owner Sell 20.0 -99,606 -3.63% $299.7K
Oct 1, 2020 Oct 5, 2020 Heinemann Steven D. 10% Owner Sell 51.3 -4,804 -0.17% $13.2K
Sep 24, 2020 Sep 25, 2020 Heinemann Steven D. 10% Owner Sell 22.5 -82,600 -2.92% $229K
Jul 14, 2020 Jul 16, 2020 HOROWITZ COREY M CEO Sell 45.0 -50,563 -0.78% $108.7K
Jun 29, 2020 Jul 1, 2020 Greene Jonathan M President Sell 26.3 -5,000 -7.41% $11K
Feb 19, 2020 Feb 21, 2020 PEARLMAN EMANUEL R Director Neutral 90.0 +15,000 13.85% -
Feb 19, 2020 Feb 21, 2020 Hoffman Allison C Director Neutral 90.0 +15,000 20.82% -
Feb 19, 2020 Feb 21, 2020 HARIZMAN NIV Director Neutral 85.0 +15,000 6.19% -
Dec 4, 2019 Feb 10, 2020 KAHN DAVID C CFO Neutral 27.5 -18,000 -16.05% -
Nov 29, 2019 Feb 10, 2020 HOROWITZ COREY M CEO Neutral 45.0 -61,000 -0.45% -
Jan 22, 2020 Jan 24, 2020 HARIZMAN NIV Director Sell 22.5 -33,431 -12.13% $81.9K
Jan 22, 2020 Jan 24, 2020 Hoffman Allison C Director Sell 22.5 -33,431 -31.69% $81.9K
Jan 22, 2020 Jan 23, 2020 PEARLMAN EMANUEL R Director Sell 22.5 -33,431 -23.59% $81.9K
Dec 24, 2019 Dec 27, 2019 Greene Jonathan M President Sell 26.3 -12,000 -15.09% $26.3K
Nov 27, 2019 Dec 2, 2019 KAHN DAVID C CFO Sell 91.3 +13,910 14.16% $13.1K
Nov 27, 2019 Dec 2, 2019 Greene Jonathan M President Sell 91.3 +17,887 29.03% $15.3K
Aug 20, 2019 Aug 22, 2019 Greene Jonathan M President Sell 26.3 -10,000 -13.96% $25.2K
Jul 14, 2019 Jul 16, 2019 HOROWITZ COREY M CEO Sell 45.0 -56,813 -0.88% $133.5K
Jun 7, 2019 Jun 11, 2019 HOROWITZ COREY M CEO Sell 40.0 -421,889 -6.26% $987.2K
Apr 9, 2019 Apr 11, 2019 Greene Jonathan M President Sell 22.5 -22,287 -23.74% $57.5K
Apr 9, 2019 Apr 11, 2019 KAHN DAVID C CFO Neutral 52.5 - 0.00% -
Mar 26, 2019 Mar 29, 2019 HARIZMAN NIV Director Sell 22.5 -23,008 -8.73% $57.8K
Mar 20, 2019 Mar 22, 2019 Hoffman Allison C Director Sell 22.5 -23,008 -24.61% $57.8K
Feb 13, 2019 Feb 15, 2019 PEARLMAN EMANUEL R Director Sell 22.5 -23,100 -20.11% $57.8K
Jun 28, 2018 Feb 4, 2019 KAHN DAVID C CFO Neutral 27.5 -12,843 -21.02% -
Dec 28, 2017 Feb 4, 2019 HOROWITZ COREY M CEO Neutral 27.5 -113,000 -1.85% -
Jan 15, 2019 Jan 16, 2019 PEARLMAN EMANUEL R Director Neutral 90.0 +15,000 18.79% -
Jan 15, 2019 Jan 16, 2019 Hoffman Allison C Director Neutral 90.0 +15,000 34.48% -
Jan 15, 2019 Jan 16, 2019 HARIZMAN NIV Director Neutral 85.0 +15,000 7.02% -
Nov 27, 2018 Nov 29, 2018 KAHN DAVID C CFO Neutral 52.5 - 0.00% -
Nov 27, 2018 Nov 28, 2018 Greene Jonathan M President Neutral 52.5 - 0.00% -
Jul 14, 2018 Jul 17, 2018 HOROWITZ COREY M CEO Sell 90.0 +202,687 2.85% $494.5K
Jun 22, 2018 Jun 25, 2018 Heinemann Steven D. 10% Owner Sell 20.0 -200,000 -6.61% $600K
Jun 17, 2018 Jun 19, 2018 HARIZMAN NIV Director Sell 20.0 -181,936 -45.60% $564K
Jun 9, 2018 Jun 12, 2018 KAHN DAVID C CFO Sell 91.3 +15,829 30.88% $27.5K
Jun 9, 2018 Jun 12, 2018 Greene Jonathan M President Sell 91.3 +17,387 65.58% $22.8K
May 30, 2018 May 31, 2018 Hoffman Allison C Director Sell 22.5 -75,000 -63.29% $207.8K
Mar 8, 2018 Mar 12, 2018 PEARLMAN EMANUEL R Director Neutral 90.0 +15,000 23.13% -
Mar 8, 2018 Mar 12, 2018 Hoffman Allison C Director Neutral 90.0 +15,000 14.49% -
Mar 8, 2018 Mar 12, 2018 HARIZMAN NIV Director Neutral 90.0 +15,000 18.61% -
Feb 21, 2017 Feb 8, 2018 KAHN DAVID C CFO Neutral 52.5 - 0.00% -
Jan 23, 2018 Jan 24, 2018 Hoffman Allison C Director Neutral 52.5 - 0.00% -
Jan 11, 2018 Jan 12, 2018 PEARLMAN EMANUEL R Director Sell 26.3 -11,443 -15.00% $29.8K