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NTIPNYSEPatent Owners & LessorsFiscal year ends December 31

NETWORK-1 TECHNOLOGIES, INC.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026
$1.53−0.02 (-1.29%)

Close on Oct 19, 2026

Market cap
$34.94M
P/E (TTM)
–
Dividend yield
6.54%

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
22.8%
5M of 23M shares
Institutional holders
31
8 new, 2 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Heinemann, Steven D.1,737,8937.50%13G (passive) amendmentDec 31, 2024
Steven D. Heinemann1,209,4765.29%13G (passive) amendmentJun 30, 2026
Cannell Capital LLC1,141,9755.00%13G (passive)Dec 31, 2025

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of NTIPValueChange% of portfolio
Cannell Capital LLC1,275,2135.58%$1.87M+133,2381.26%
Clayton Partners LLC1,029,4434.50%$1.51M+50,3050.99%
Vanguard Capital Management LLC553,3112.42%$813.37K+51,3770.00%
Renaissance Technologies LLC428,3441.87%$629.67K−33,1000.00%
Saybrook Capital /Nc330,0431.44%$485.16K–0.12%
PNC Financial Services Group, Inc.270,0001.18%$396.90K–0.00%
Canton Hathaway, LLC245,6731.07%$361.14K−35,0650.07%
Dimensional Fund Advisors LP221,0360.97%$324.92K−10,9780.00%
Geode Capital Management, LLC130,7660.57%$192.29K+33,6020.00%
Bridgeway Capital Management, LLC129,1610.56%$189.87K–0.00%
Empowered Funds, LLC97,5720.43%$143.43K–0.00%
State Street Corp90,4990.40%$133.03K+44,2000.00%
Vanguard Fiduciary Trust Co79,6670.35%$117.11K–0.00%
Two Sigma Investments, LP71,5000.31%$105.11KNew0.00%
MYDA Advisors LLC69,6750.30%$102.42KNew0.02%
BlackRock, Inc.49,4530.22%$72.70KNew0.00%
Principal Street Partners, LLC32,0390.14%$47.10K–0.01%
Northern Trust Corp27,3380.12%$40.19K−12,6440.00%
Rangeley Capital, LLC20,0000.09%$29.40KNew0.03%
Savvy Advisors, Inc.16,0000.07%$23.52K–0.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 2026315M22.8%8 / 85 / 21M0M
Q1 2026255M21.1%3 / 85 / 21M0M
Q4 2025255M20.3%1 / 58 / 40M0M
Q3 2025285M20.5%5 / 116 / 31M1M
Q2 2025264M19.5%2 / 68 / 30M0M
Q1 2025275M20.3%2 / 1011 / 00M0M
Q4 2024254M19.1%5 / 311 / 20M1M
Q3 2024225M21.7%2 / 68 / 10M0M
Q2 2024235M24.1%2 / 87 / 10M0M
Q1 2024226M25.2%3 / 113 / 11M0M
Q4 2023205M21.5%3 / 84 / 10M0M
Q3 2023185M21.1%0 / 56 / 20M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of NTIPValue% of fundAs of
Vanguard Total Stock Market Index Fund392,0411.71%$576.30K0.00%Jun 30, 2026
Vanguard Extended Market Index Fund161,2700.71%$237.07K0.00%Jun 30, 2026
U.S. Small Cap Portfolio135,5770.59%$219.63K0.00%Jul 31, 2026
Fidelity Extended Market Index Fund108,7300.48%$160.92K0.00%May 31, 2026
EA Bridgeway Omni Small-Cap Value ETF97,5720.43%$143.43K0.01%Jun 30, 2026
iShares Micro-Cap ETF46,6270.20%$68.54K0.00%Jun 30, 2026
U.S. Micro Cap Portfolio41,3880.18%$67.05K0.00%Jul 31, 2026
Ultra-Small Company Market Fund23,3000.10%$34.25K0.02%Jun 30, 2026
Fidelity Series Total Market Index Fund19,7670.09%$29.26K0.00%May 31, 2026
Fidelity Total Market Index Fund14,1940.06%$21.01K0.00%May 31, 2026
1290 VT Micro Cap Portfolio2,8260.01%$4.15K0.00%Jun 30, 2026
JNL/DFA U.S. Small Cap Fund2,7000.01%$3.97K0.00%Jun 30, 2026
LVIP Dimensional U.S. Core Equity 2 Fund110.00%$160.00%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Jonathan M. GreeneExecutive VP & Secretary, Director126,1190.55%Feb 20, 2026
Robert Michael MahanChief Financial Officer85,0000.37%Sep 22, 2026
Allison C. HoffmanDirector135,7590.59%Mar 3, 2026
Niv HarizmanDirector347,2351.52%Mar 3, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Robert Michael Mahan
Chief Financial Officer
Sep 22, 2026Award+35,000––85,000
Niv Harizman
Director
Feb 27, 2026Award+15,000––347,235
Allison C. Hoffman
Director
Feb 27, 2026Award+15,000––135,759
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 8, 2026Tax withholding−2,674$1.34$3.58K126,119
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 8, 2026Award+7,500––128,793
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 2, 2026Award+12,500––125,749
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 2, 2026Tax withholding−4,456$1.31$5.84K121,293
Robert Michael Mahan
Chief Financial Officer
Sep 8, 2025Award+25,000––50,000
Allison C. Hoffman
Director
Feb 19, 2025Award+15,000––120,561
Niv Harizman
Director
Feb 19, 2025Award+15,000––332,235
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 24, 2025Award+7,500––115,923
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 24, 2025Tax withholding−2,674$1.37$3.66K113,249
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 8, 2025Award+7,500––111,097
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 8, 2025Tax withholding−2,674$1.43$3.82K108,423
Robert Michael Mahan
Chief Financial Officer
Sep 8, 2024Award+25,000––25,000
Corey M. Horowitz
CEO and Chairman, Director, 10% owner
Mar 22, 2024Option exercise+75,000––4,007,459
Corey M. Horowitz
CEO and Chairman, Director, 10% owner
Mar 22, 2024Tax withholding−23,505$2.09$49.13K3,983,954
Niv Harizman
Director
Feb 23, 2024Award+15,000––317,235
Allison C. Hoffman
Director
Feb 23, 2024Award+15,000––105,561
Emanuel R. Pearlman
Director
Feb 23, 2024Award+15,000––143,309
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 24, 2024Tax withholding−2,674$2.17$5.80K103,597
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 24, 2024Award+7,500––106,271
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 18, 2024Award+7,500––101,445
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 18, 2024Tax withholding−2,674$2.15$5.75K98,771
Corey M. Horowitz
CEO and Chairman, Director, 10% owner
Mar 22, 2023Tax withholding−36,350$2.12$77.06K3,932,459
Corey M. Horowitz
CEO and Chairman, Director, 10% owner
Mar 22, 2023Option exercise+100,000––3,968,809
Allison C. Hoffman
Director
Mar 3, 2023Award+15,000––90,561
Niv Harizman
Director
Mar 3, 2023Award+15,000––302,235
Emanuel R. Pearlman
Director
Mar 3, 2023Award+15,000––128,309
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 18, 2023Award+7,500––96,694
Jonathan M. Greene
Executive VP & Secretary, Director
Jan 18, 2023Tax withholding−2,749$2.17$5.97K93,945
Jonathan M. Greene
Executive VP & Secretary, Director
Dec 29, 2022Tax withholding−1,523$2.20$3.35K89,194
Jonathan M. Greene
Executive VP & Secretary, Director
Dec 29, 2022Award+5,000––90,717
Corey M. Horowitz
CEO and Chairman, Director, 10% owner
Oct 27, 2022Option exercise+500,000$1.19$595.00K4,203,368
Corey M. Horowitz
CEO and Chairman, Director, 10% owner
Oct 27, 2022Tax withholding−334,459$2.48$829.46K3,868,909
Allison C. Hoffman
Director
Jun 1, 2022Returned to company−41,500$2.42$100.43K64,311
Corey M. Horowitz
CEO and Chairman, Director, 10% owner
Mar 11, 2022Tax withholding−45,438$2.53$114.96K3,703,368
Corey M. Horowitz
CEO and Chairman, Director, 10% owner
Mar 11, 2022Option exercise+125,000––3,748,806
Allison C. Hoffman
Director
Feb 23, 2022Award+15,000––117,061
Emanuel R. Pearlman
Director
Feb 23, 2022Award+15,000––113,309
Niv Harizman
Director
Feb 23, 2022Award+15,000––287,235
Jonathan M. Greene
Executive Vice President
Dec 29, 2021Tax withholding−1,473$2.86$4.21K85,717
Jonathan M. Greene
Executive Vice President
Dec 29, 2021Award+5,000––87,190
David C. Kahn
Chief Financial Officer, Director
Dec 29, 2021Award+3,750––117,176
David C. Kahn
Chief Financial Officer, Director
Dec 29, 2021Tax withholding−1,123$2.86$3.21K116,053
David C. Kahn
Chief Financial Officer, Director
Dec 20, 2021Tax withholding−1,123$2.69$3.02K113,426
David C. Kahn
Chief Financial Officer, Director
Dec 20, 2021Award+3,750––114,549
Jonathan M. Greene
Executive Vice President
Dec 20, 2021Tax withholding−1,473$2.69$3.96K82,190
Jonathan M. Greene
Executive Vice President
Dec 20, 2021Award+5,000––83,663
Steven D. Heinemann
10% owner
Jul 27, 2021Sale−150,000$3.59$538.50K1,722,058
Emanuel R. Pearlman
Director
May 27, 2021Returned to company−40,000$3.27$130.80K87,059
Steven D. Heinemann
10% owner
Apr 20, 2021Sale−38,027$3.39$128.91K1,872,058
Steven D. Heinemann
10% owner
Mar 26, 2021Sale−304$3.28$9971,910,085
Steven D. Heinemann
10% owner
Mar 25, 2021Sale−31,512$3.28$103.36K1,910,389
Allison C. Hoffman
Director
Feb 23, 2021Award+15,000––102,061
Emanuel R. Pearlman
Director
Feb 23, 2021Award+15,000––138,309
Niv Harizman
Director
Feb 23, 2021Award+15,000––272,235
Steven D. Heinemann
10% owner
Feb 16, 2021Sale−54,275$3.73$202.45K1,941,901
Steven D. Heinemann
10% owner
Feb 12, 2021Sale−6,225$3.65$22.72K1,996,176
Jonathan M. Greene
Executive Vice President
Dec 29, 2020Sale−5,000$3.30$16.50K78,663

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.