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Intrusion Inc (INTZ)

The most recent insider trading activity occurred on December 31, 2025, with the Chief Financial Officer and Chief Executive Officer making planned purchases. Prior to this, a sale was noted on December 2, 2025. Significant selling activity by the CEO was observed in August 2025, contrasting with earlier large buy transactions by both the CEO and CFO in April 2024.
Stock chart
Ticker: INTZ Exchange: OTC


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
PINSON KIMBERLY
Chief Financial Officer
1 purchase — total 2,444 USD
Planned buy 31 Dec 2025
Value US$3,508,718.14 | Price 329.24 | Shares 60,892
Planned buy 31 Dec 2025
Value US$1,821,187.43 | Price 297.01 | Shares 2,931
Sale 2 Dec 2025
Value US$277.00 | Price 1.39 | Shares 200
Sale 15 Aug 2025
Value US$2,848.82 | Price 1.80 | Shares 1,587
Sale 15 Aug 2025
Value US$9,429.72 | Price 1.79 | Shares 5,268
Sale 15 Aug 2025
Value US$18,512.00 | Price 1.78 | Shares 10,400
Sale 15 Aug 2025
Value US$1,793.20 | Price 1.80 | Shares 999
Planned buy 30 Jun 2025
Value US$2,123.63 | Price 1.95 | Shares 1,091
Planned buy 31 Dec 2024
Value US$229.50 | Price 0.92 | Shares 250
Planned buy 31 Dec 2024
Value US$229.50 | Price 0.92 | Shares 250
Planned buy 28 Jun 2024
Value US$233.75 | Price 0.94 | Shares 250
Planned buy 28 Jun 2024
Value US$23.38 | Price 0.09 | Shares 250
Buy 22 Apr 2024
Value US$995,771.60 | Price 1.70 | Shares 585,748
Buy 22 Apr 2024
Value US$995,771.60 | Price 1.70 | Shares 585,748
Buy 22 Apr 2024
Value US$17,000.00 | Price 1.70 | Shares 10,000
Buy 22 Apr 2024
Value US$17,000.00 | Price 1.70 | Shares 10,000
Planned buy 31 Dec 2023
Value US$330.00 | Price 0.22 | Shares 1,500
Planned buy 31 Dec 2023
Value US$330.00 | Price 0.22 | Shares 1,500
Buy 8 Nov 2023
Value US$193,333.14 | Price 0.58 | Shares 333,333
Buy 8 Nov 2023
Value US$48,333.14 | Price 0.58 | Shares 83,333
Buy 8 Nov 2023
Value US$16,312.50 | Price 0.58 | Shares 28,125
Buy 8 Nov 2023
Value US$19,333.14 | Price 0.58 | Shares 33,333
Buy 8 Nov 2023
Value US$211,458.14 | Price 0.58 | Shares 364,583
Buy 8 Nov 2023
Value US$193,333.14 | Price 0.58 | Shares 333,333
Buy 8 Nov 2023
Value US$33,833.14 | Price 0.58 | Shares 58,333
Buy 3 Nov 2023
Value US$36,845.16 | Price 0.31 | Shares 117,641
Buy 2 Nov 2023
Value US$119,754.84 | Price 0.31 | Shares 382,359
Buy 29 Sep 2023
Value US$34,121.03 | Price 0.34 | Shares 100,652
Buy 28 Sep 2023
Value US$67,595.93 | Price 0.33 | Shares 206,148
Sale 30 Nov 2022
Value US$33,868.42 | Price 2.98 | Shares 11,358
Sale 29 Nov 2022
Value US$108,406.04 | Price 3.08 | Shares 35,142
Sale 28 Nov 2022
Value US$11,727.10 | Price 3.35 | Shares 3,500
Sale 8 Apr 2021
Value US$46,612.50 | Price 27.50 | Shares 1,695
Sale 7 Apr 2021
Value US$75,404.00 | Price 26.93 | Shares 2,800
Sale 6 Apr 2021
Value US$104,600.00 | Price 26.15 | Shares 4,000
Sale 5 Apr 2021
Value US$213,280.00 | Price 26.66 | Shares 8,000
Sale 1 Apr 2021
Value US$152,040.00 | Price 25.34 | Shares 6,000
Sale 23 Mar 2021
Value US$53,540.00 | Price 26.77 | Shares 2,000
Sale 22 Mar 2021
Value US$108,855.90 | Price 27.18 | Shares 4,005
Sale 19 Mar 2021
Value US$296,010.00 | Price 25.74 | Shares 11,500
Sale 16 Mar 2021
Value US$68,125.00 | Price 27.25 | Shares 2,500
Sale 15 Mar 2021
Value US$201,000.00 | Price 26.80 | Shares 7,500
Sale 12 Mar 2021
Value US$62,000.00 | Price 24.80 | Shares 2,500
Buy 11 Mar 2021
Value US$112,800.00 | Price 23.50 | Shares 4,800
Buy 24 May 2011
Value US$11,009.20 | Price 0.40 | Shares 27,523
Buy 24 May 2011
Value US$5,504.80 | Price 0.40 | Shares 13,762
Buy 26 Sep 2007
Value US$499,999.92 | Price 0.42 | Shares 1,190,476
Buy 27 Jun 2007
Value US$49,999.95 | Price 0.45 | Shares 111,111
Buy 27 Jun 2007
Value US$450,000.00 | Price 0.45 | Shares 1,000,000
Buy 15 Mar 2007
Value US$449,999.82 | Price 0.54 | Shares 833,333
Buy 15 Mar 2007
Value US$50,000.22 | Price 0.54 | Shares 92,593
Buy 28 Dec 2006
Value US$100,000.00 | Price 0.40 | Shares 250,000
Buy 28 Dec 2006
Value US$400,000.00 | Price 0.40 | Shares 1,000,000
Buy 20 Nov 2006
Value US$9,000.00 | Price 0.45 | Shares 20,000
Buy 17 Nov 2006
Value US$6,400.00 | Price 0.40 | Shares 16,000
Buy 17 Nov 2006
Value US$13,650.00 | Price 0.39 | Shares 35,000
Buy 16 Nov 2006
Value US$3,500.00 | Price 0.35 | Shares 10,000
Buy 15 Nov 2006
Value US$1,750.00 | Price 0.35 | Shares 5,000
Buy 6 Nov 2006
Value US$7,750.00 | Price 0.31 | Shares 25,000
Sale 4 Feb 2004
Value US$1,054,130.64 | Price 0.57 | Shares 1,849,352
Buy 4 Feb 2004
Value US$285,000.00 | Price 0.57 | Shares 500,000
Sale 16 Jan 2004
Value US$153,383.04 | Price 0.77 | Shares 198,400
Sale 15 Jan 2004
Value US$14,830.56 | Price 0.69 | Shares 21,600
Sale 14 Jan 2004
Value US$17,500.00 | Price 0.70 | Shares 25,000
Sale 13 Jan 2004
Value US$26,377.30 | Price 0.71 | Shares 37,000
Sale 12 Jan 2004
Value US$8,005.20 | Price 0.76 | Shares 10,500
Sale 9 Jan 2004
Value US$37,021.90 | Price 0.79 | Shares 47,000
Sale 8 Jan 2004
Value US$41,304.00 | Price 0.69 | Shares 60,000
Sale 7 Jan 2004
Value US$6,450.00 | Price 0.65 | Shares 10,000
Sale 6 Jan 2004
Value US$11,396.00 | Price 0.65 | Shares 17,500
Sale 5 Jan 2004
Value US$6,515.00 | Price 0.65 | Shares 10,000
Sale 2 Jan 2004
Value US$9,430.50 | Price 0.63 | Shares 15,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-01-12 2025-12-31 PP Planned purchase

Chief Financial Officer

Officer
60,892 +32.8%
329.24
US$3,508,718
60,892 +32.8% 329.24 US$3,508,718
2026-01-12 2025-12-31 PP Planned purchase

Chief Executive Officer

Officer
2,931 -37.4%
297.01
US$1,821,187
2,931 -37.4% 297.01 US$1,821,187
2025-12-04 2025-12-02 S Sale Non-Executive Director
10,741 +0.8%
288.62
US$3,531,484
10,741 +0.8% 288.62 US$3,531,484
2025-08-19 2025-08-15 S Sale

Chief Executive Officer

Officer
1,587 -0.2%
1.80
US$2,849
1,587 -0.2% 1.80 US$2,849
2025-08-19 2025-08-15 S Sale

Chief Executive Officer

Officer
5,268 -0.8%
1.79
US$9,430
5,268 -0.8% 1.79 US$9,430
2025-08-19 2025-08-15 S Sale

Chief Executive Officer

Officer
10,400 -1.6%
1.78
US$18,512
10,400 -1.6% 1.78 US$18,512
2025-08-19 2025-08-15 S Sale

Chief Executive Officer

Officer
999 -0.2%
1.80
US$1,793
999 -0.2% 1.80 US$1,793
2025-07-02 2025-06-30 PP Planned purchase

Chief Executive Officer

Officer
1,091 +0.2%
1.95
US$2,124
1,091 +0.2% 1.95 US$2,124
2025-01-06 2024-12-31 PP Planned purchase

Chief Financial Officer

Officer
250 +1.2%
0.92
US$230
250 +1.2% 0.92 US$230
2025-01-06 2024-12-31 PP Planned purchase

Chief Executive Officer

Officer
250 +0.0%
0.92
US$230
250 +0.0% 0.92 US$230
2025-01-06 2024-06-28 PP Planned purchase

Chief Financial Officer

Officer
250 +1.2%
0.94
US$234
250 +1.2% 0.94 US$234
2025-01-06 2024-06-28 PP Planned purchase

Chief Executive Officer

Officer
250 +0.0%
0.09
US$23
250 +0.0% 0.09 US$23
2024-04-25 2024-04-22 B Purchase

Chief Executive Officer

Officer
585,748 +1115.0%
1.70
US$995,772
585,748 +1115.0% 1.70 US$995,772
2024-04-25 2024-04-22 B Purchase

Chief Executive Officer

Officer
585,748 +1115.0%
1.70
US$995,772
585,748 +1115.0% 1.70 US$995,772
2024-04-25 2024-04-22 B Purchase

Chief Financial Officer

Officer
10,000 +197.0%
1.70
US$17,000
10,000 +197.0% 1.70 US$17,000
2024-04-25 2024-04-22 B Purchase

Chief Financial Officer

Officer
10,000 +197.0%
1.70
US$17,000
10,000 +197.0% 1.70 US$17,000
2024-01-24 2023-12-31 PP Planned purchase

Chief Financial Officer

Officer
1,500 +4.5%
0.22
US$330
1,500 +4.5% 0.22 US$330
2024-01-24 2023-12-31 PP Planned purchase

Chief Executive Officer

Officer
1,500 +0.4%
0.22
US$330
1,500 +0.4% 0.22 US$330
2023-11-13 2023-11-08 B Purchase Large shareholder
333,333 +11.1%
0.58
US$193,333
333,333 +11.1% 0.58 US$193,333
2023-11-09 2023-11-08 B Purchase Non-Executive Director
83,333 +51.4%
0.58
US$48,333
83,333 +51.4% 0.58 US$48,333
2023-11-09 2023-11-08 B Purchase Non-Executive Director
28,125 +33.0%
0.58
US$16,312
28,125 +33.0% 0.58 US$16,312
2023-11-09 2023-11-08 B Purchase

Chief Financial Officer

Officer
33,333 +inf%
0.58
US$19,333
33,333 +inf% 0.58 US$19,333
2023-11-09 2023-11-08 B Purchase Non-Executive Director
364,583 +72.6%
0.58
US$211,458
364,583 +72.6% 0.58 US$211,458
2023-11-09 2023-11-08 B Purchase

Chief Executive Officer

Officer
333,333 +673.8%
0.58
US$193,333
333,333 +673.8% 0.58 US$193,333
2023-11-09 2023-11-08 B Purchase Non-Executive Director
58,333 +68.4%
0.58
US$33,833
58,333 +68.4% 0.58 US$33,833
2023-11-07 2023-11-03 B Purchase Large shareholder
117,641 +4.1%
0.31
US$36,845
117,641 +4.1% 0.31 US$36,845
2023-11-07 2023-11-02 B Purchase Large shareholder
382,359 +15.3%
0.31
US$119,755
382,359 +15.3% 0.31 US$119,755
2023-10-13 2023-09-29 B Purchase Large shareholder
100,652 +4.2%
0.34
US$34,121
100,652 +4.2% 0.34 US$34,121
2023-10-13 2023-09-28 B Purchase Large shareholder
206,148 +9.4%
0.33
US$67,596
206,148 +9.4% 0.33 US$67,596
2022-12-02 2022-11-30 S Sale

Chief Technology Officer

Officer
11,358 -1.1%
2.98
US$33,868
11,358 -1.1% 2.98 US$33,868
2022-11-30 2022-11-29 S Sale

Chief Technology Officer

Officer
35,142 -3.2%
3.08
US$108,406
35,142 -3.2% 3.08 US$108,406
2022-11-30 2022-11-28 S Sale

Chief Technology Officer

Officer
3,500 -0.3%
3.35
US$11,727
3,500 -0.3% 3.35 US$11,727
2021-04-09 2021-04-08 S Sale
1,695 -0.1%
27.50
US$46,612
1,695 -0.1% 27.50 US$46,612
2021-04-09 2021-04-07 S Sale
2,800 -0.2%
26.93
US$75,404
2,800 -0.2% 26.93 US$75,404
2021-04-06 2021-04-06 S Sale
4,000 -0.3%
26.15
US$104,600
4,000 -0.3% 26.15 US$104,600
2021-04-06 2021-04-05 S Sale
8,000 -0.5%
26.66
US$213,280
8,000 -0.5% 26.66 US$213,280
2021-04-06 2021-04-01 S Sale
6,000 -0.4%
25.34
US$152,040
6,000 -0.4% 25.34 US$152,040
2021-03-23 2021-03-23 S Sale
2,000 -0.1%
26.77
US$53,540
2,000 -0.1% 26.77 US$53,540
2021-03-23 2021-03-22 S Sale
4,005 -0.3%
27.18
US$108,856
4,005 -0.3% 27.18 US$108,856
2021-03-23 2021-03-19 S Sale
11,500 -0.7%
25.74
US$296,010
11,500 -0.7% 25.74 US$296,010
2021-03-16 2021-03-16 S Sale Large shareholder
2,500 -0.1%
27.25
US$68,125
2,500 -0.1% 27.25 US$68,125
2021-03-16 2021-03-15 S Sale Large shareholder
7,500 -0.4%
26.80
US$201,000
7,500 -0.4% 26.80 US$201,000
2021-03-16 2021-03-12 S Sale Large shareholder
2,500 -0.1%
24.80
US$62,000
2,500 -0.1% 24.80 US$62,000
2021-03-11 2021-03-11 B Purchase Non-Executive Director
4,800 +66.2%
23.50
US$112,800
4,800 +66.2% 23.50 US$112,800
2011-05-25 2011-05-24 B Purchase PAXTON G WARD

Chairman President & CEO

Executive Director Large shareholder
27,523 +inf%
0.40
US$11,009
27,523 +inf% 0.40 US$11,009
2011-05-25 2011-05-24 B Purchase GERO JAMES Non-Executive Director
13,762 +inf%
0.40
US$5,505
13,762 +inf% 0.40 US$5,505
2007-09-27 2007-09-26 B Purchase

Chairman President & CEO

Executive Director Large shareholder
1,190,476 +47.4%
0.42
US$500,000
1,190,476 +47.4% 0.42 US$500,000
2007-06-28 2007-06-27 B Purchase PAXTON MICHAEL L

Vice President & CFO

Officer
111,111 +13.0%
0.45
US$50,000
111,111 +13.0% 0.45 US$50,000
2007-06-28 2007-06-27 B Purchase

Chairman President & CEO

Executive Director Large shareholder
1,000,000 +66.2%
0.45
US$450,000
1,000,000 +66.2% 0.45 US$450,000
2007-03-15 2007-03-15 B Purchase PAXTON G WARD

Chairman President & CEO

Executive Director Large shareholder
833,333 +58.4%
0.54
US$450,000
833,333 +58.4% 0.54 US$450,000
2007-03-15 2007-03-15 B Purchase PAXTON MICHAEL L

Vice President & CFO

Officer
92,593 +19.1%
0.54
US$50,000
92,593 +19.1% 0.54 US$50,000
2006-12-29 2006-12-28 B Purchase

Vice President & CFO

Officer
250,000 +106.1%
0.40
US$100,000
250,000 +106.1% 0.40 US$100,000
2006-12-29 2006-12-28 B Purchase

Chairman President & CEO

Executive Director Large shareholder
1,000,000 +234.5%
0.40
US$400,000
1,000,000 +234.5% 0.40 US$400,000
2006-11-21 2006-11-20 B Purchase PAXTON G WARD

Chairman President & CEO

Executive Director Large shareholder
20,000 +4.9%
0.45
US$9,000
20,000 +4.9% 0.45 US$9,000
2006-11-21 2006-11-17 B Purchase

Chairman President & CEO

Executive Director Large shareholder
16,000 +4.1%
0.40
US$6,400
16,000 +4.1% 0.40 US$6,400
2006-11-17 2006-11-17 B Purchase PAXTON MICHAEL L

Vice President & CFO

Officer
35,000 +17.4%
0.39
US$13,650
35,000 +17.4% 0.39 US$13,650
2006-11-17 2006-11-16 B Purchase PAXTON MICHAEL L

Vice President & CFO

Officer
10,000 +5.2%
0.35
US$3,500
10,000 +5.2% 0.35 US$3,500
2006-11-17 2006-11-15 B Purchase

Vice President & CFO

Officer
5,000 +2.7%
0.35
US$1,750
5,000 +2.7% 0.35 US$1,750
2006-11-06 2006-11-06 B Purchase

Chairman President & CEO

Executive Director Large shareholder
25,000 +6.8%
0.31
US$7,750
25,000 +6.8% 0.31 US$7,750
2004-02-06 2004-02-04 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
1,849,352 -100.0%
0.57
US$1,054,131
1,849,352 -100.0% 0.57 US$1,054,131
2004-02-05 2004-02-04 B Purchase GERO JAMES
500,000 +193.5%
0.57
US$285,000
500,000 +193.5% 0.57 US$285,000
2004-01-16 2004-01-16 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
198,400 -9.7%
0.77
US$153,383
198,400 -9.7% 0.77 US$153,383
2004-01-16 2004-01-15 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
21,600 -1.0%
0.69
US$14,831
21,600 -1.0% 0.69 US$14,831
2004-01-14 2004-01-14 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
25,000 -1.2%
0.70
US$17,500
25,000 -1.2% 0.70 US$17,500
2004-01-14 2004-01-13 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
37,000 -1.7%
0.71
US$26,377
37,000 -1.7% 0.71 US$26,377
2004-01-14 2004-01-12 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
10,500 -0.5%
0.76
US$8,005
10,500 -0.5% 0.76 US$8,005
2004-01-09 2004-01-09 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
47,000 -2.1%
0.79
US$37,022
47,000 -2.1% 0.79 US$37,022
2004-01-09 2004-01-08 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
60,000 -2.7%
0.69
US$41,304
60,000 -2.7% 0.69 US$41,304
2004-01-09 2004-01-07 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
10,000 -0.4%
0.65
US$6,450
10,000 -0.4% 0.65 US$6,450
2004-01-06 2004-01-06 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
17,500 -0.8%
0.65
US$11,396
17,500 -0.8% 0.65 US$11,396
2004-01-06 2004-01-05 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
10,000 -0.4%
0.65
US$6,515
10,000 -0.4% 0.65 US$6,515
2004-01-06 2004-01-02 S Sale SCIENCE APPLICATIONS INTERNATIONAL CORP Large shareholder
15,000 -0.7%
0.63
US$9,430
15,000 -0.7% 0.63 US$9,430