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NETWORK-1 TECHNOLOGIES, INC.

NTIP Net selling
CIK 0001065078 #4857 in the set updated 21 Sep 2026
Bought (120 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$4.16M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$4.16M
49 of 49 sales
Net
−$4.16M
−$4.16M against sales at will

By person

8 insiders · 69 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Heinemann Steven D.
10% owner
—
$3.88M (33)
−$3.88M
2,307,291
10.09%
$8.29M
−33.1%
Greene Jonathan M
Executive VP & Secretary
—
$196.56K (15)
−$196.56K
126,119
0.5516%
$453.36K
+230.8%
PEARLMAN EMANUEL R
Director
—
$81.59K (1)
−$81.59K
143,309
0.6268%
$515.15K
+1,174%
HOROWITZ COREY M
CEO and Chairman
—
—
—
6,797,337
29.73%
$24.43M
+17.9%
HARIZMAN NIV
Director
—
—
—
347,235
1.52%
$1.25M
+1,391%
Hoffman Allison C
Director
—
—
—
135,759
0.5938%
$488.01K
+1,086%
KAHN DAVID C
Chief Financial Officer
—
—
—
116,053
0.5076%
$417.18K
—
Mahan Robert Michael
Chief Financial Officer
—
—
—
50,000
0.2187%
$179.74K
—

Individual transactions

69
Insider
Date
Role
Action
Shares
Price
Amount
HOROWITZ COREY M
27 Oct 2022
CEO and Chairman
Exercised, kept
500,000
$1.19
$595.00K
Heinemann Steven D.
27 Jul 2021
10% owner
Sell indirect
150,000
$3.59
$539.21K
Heinemann Steven D.
20 Apr 2021
10% owner
Sell indirect
38,027
$3.39
$128.94K
Heinemann Steven D.
26 Mar 2021
10% owner
Sell indirect
304
$3.28
$997.12
Heinemann Steven D.
25 Mar 2021
10% owner
Sell indirect
31,512
$3.28
$103.36K
Heinemann Steven D.
16 Feb 2021
10% owner
Sell indirect
54,275
$3.73
$202.45K
Heinemann Steven D.
12 Feb 2021
10% owner
Sell indirect
6,225
$3.65
$22.72K
Greene Jonathan M
29 Dec 2020
Executive Vice President
Sell
5,000
$3.30
$16.50K
Heinemann Steven D.
22 Dec 2020
10% owner
Sell indirect
24,000
$3.44
$82.67K
Heinemann Steven D.
8 Dec 2020
10% owner
Sell indirect
14,000
$3.21
$44.90K
Heinemann Steven D.
7 Dec 2020
10% owner
Sell indirect
15,171
$3.23
$48.94K
Heinemann Steven D.
20 Nov 2020
10% owner
Sell indirect
29,606
$3.05
$90.16K
Heinemann Steven D.
18 Nov 2020
10% owner
Sell indirect
70,000
$2.99
$209.51K
Heinemann Steven D.
5 Oct 2020
10% owner
Sell indirect
4,604
$2.75
$12.66K
Heinemann Steven D.
1 Oct 2020
10% owner
Sell indirect
200
$2.85
$570.00
Heinemann Steven D.
25 Sep 2020
10% owner
Sell indirect
25,000
$2.72
$68.07K
Heinemann Steven D.
25 Sep 2020
10% owner
Sell indirect
25,000
$2.75
$68.77K
Heinemann Steven D.
25 Sep 2020
10% owner
Sell indirect
25,000
$2.74
$68.54K
Heinemann Steven D.
24 Sep 2020
10% owner
Sell indirect
7,600
$3.11
$23.62K
Greene Jonathan M
29 Jun 2020
Executive Vice President
Sell
5,000
$2.19
$10.95K
PEARLMAN EMANUEL R
22 Jan 2020
Director
Exercised, kept
35,000
$2.34
$81.90K
Hoffman Allison C
22 Jan 2020
Director
Exercised, kept
35,000
$2.34
$81.90K
HARIZMAN NIV
22 Jan 2020
Director
Exercised, kept
35,000
$2.34
$81.90K
Greene Jonathan M
27 Dec 2019
Executive Vice President
Sell
1,333
$2.20
$2.93K
Greene Jonathan M
26 Dec 2019
Executive Vice President
Sell
4,567
$2.20
$10.05K
Greene Jonathan M
26 Dec 2019
Executive Vice President
Sell
100
$2.24
$224.00
Greene Jonathan M
24 Dec 2019
Executive Vice President
Sell
6,000
$2.18
$13.08K
Greene Jonathan M
21 Aug 2019
Executive Vice President
Sell
7,500
$2.52
$18.92K
Greene Jonathan M
20 Aug 2019
Executive Vice President
Sell
2,500
$2.52
$6.30K
HOROWITZ COREY M
7 Jun 2019
CEO and Chairman
Exercised, kept
750,000
$0.83
$622.50K
KAHN DAVID C
9 Apr 2019
Chief Financial Officer
Exercised, kept
50,000
$1.65
$82.50K
Greene Jonathan M
9 Apr 2019
Executive Vice President
Exercised, kept
50,000
$1.65
$82.50K
HARIZMAN NIV
26 Mar 2019
Director
Exercised, kept
35,000
$1.65
$57.75K
Hoffman Allison C
20 Mar 2019
Director
Exercised, kept
35,000
$1.65
$57.75K
PEARLMAN EMANUEL R
13 Feb 2019
Director
Exercised, kept
35,000
$1.65
$57.75K
Heinemann Steven D.
22 Jun 2018
10% owner
Sell indirect
200,000
$3.00
$600.00K
HARIZMAN NIV
17 Jun 2018
Director
Exercised, kept
300,000
$1.88
$564.00K
Hoffman Allison C
23 Jan 2018
Director
Exercised, kept
25,000
$1.19
$29.75K
PEARLMAN EMANUEL R
11 Jan 2018
Director
Exercised, kept
25,000
$1.19
$29.75K
HARIZMAN NIV
8 Jan 2018
Director
Exercised, kept
25,000
$1.19
$29.75K
Hoffman Allison C
14 Dec 2017
Director
Exercised, kept
50,000
$1.14
$57.00K
HARIZMAN NIV
12 Dec 2017
Director
Exercised, kept
50,000
$1.14
$57.00K
Heinemann Steven D.
1 Dec 2017
10% owner
Sell indirect
200,000
$2.60
$520.00K
Heinemann Steven D.
2 Nov 2017
10% owner
Sell indirect
4,209
$4.30
$18.10K
Heinemann Steven D.
11 Oct 2017
10% owner
Sell indirect
2,591
$4.21
$10.90K
Heinemann Steven D.
10 Oct 2017
10% owner
Sell indirect
7,300
$4.41
$32.18K
Heinemann Steven D.
9 Oct 2017
10% owner
Sell indirect
10,900
$4.27
$46.51K
Greene Jonathan M
28 Sep 2017
Executive Vice President
Sell
2,947
$4.01
$11.83K
Greene Jonathan M
27 Sep 2017
Executive Vice President
Sell
7,053
$4.00
$28.24K
Heinemann Steven D.
16 May 2017
10% owner
Sell indirect
20,500
$4.55
$93.32K
Heinemann Steven D.
15 May 2017
10% owner
Sell indirect
10,826
$4.75
$51.42K
Heinemann Steven D.
10 May 2017
10% owner
Sell indirect
45,024
$4.78
$215.36K
Heinemann Steven D.
9 May 2017
10% owner
Sell indirect
29,270
$4.70
$137.65K
Heinemann Steven D.
3 May 2017
10% owner
Sell indirect
23,256
$4.70
$109.33K
Heinemann Steven D.
2 May 2017
10% owner
Sell indirect
3,542
$4.80
$17.00K
Heinemann Steven D.
28 Apr 2017
10% owner
Sell indirect
19,238
$4.85
$93.30K
Heinemann Steven D.
27 Apr 2017
10% owner
Sell indirect
17,217
$4.95
$85.22K
Greene Jonathan M
27 Mar 2017
Executive Vice President
Sell
10,000
$4.59
$45.88K
Heinemann Steven D.
17 Mar 2017
10% owner
Sell indirect
15,000
$4.61
$69.09K
Heinemann Steven D.
16 Mar 2017
10% owner
Sell indirect
14,190
$4.54
$64.46K
KAHN DAVID C
24 Feb 2017
Chief Financial Officer
Exercised, kept
15,000
$1.40
$21.00K
PEARLMAN EMANUEL R
13 Dec 2016
Director
Sell
24,500
$3.33
$81.59K
PEARLMAN EMANUEL R
7 Dec 2016
Director
Exercised, kept
15,000
$1.35
$20.25K
PEARLMAN EMANUEL R
7 Dec 2016
Director
Exercised, kept
10,000
$1.21
$12.10K
PEARLMAN EMANUEL R
7 Dec 2016
Director
Exercised, kept
50,000
$1.21
$60.50K
Greene Jonathan M
1 Dec 2016
Executive Vice President
Sell
200
$3.10
$620.00
Greene Jonathan M
1 Dec 2016
Executive Vice President
Sell
1,000
$3.18
$3.18K
Greene Jonathan M
1 Dec 2016
Executive Vice President
Sell
2,600
$3.20
$8.32K
Greene Jonathan M
1 Dec 2016
Executive Vice President
Sell
6,200
$3.15
$19.53K

What was left out

Form 4 filings counted 118
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 49
Transactions with no price 0
Shares from compensation/vesting 5,637,878
Sales filed before the plan box existed 49
History held since 5 Dec 2016