NASDAQ · INTZ

Intrusion Inc.

Technology · Software - Infrastructure

$0.57

Down-$0.09 (-15.18%)

Updated Nov 5, 2026, 12:53 AM

SID Score

3.7/10

Composite research score

Smart Money

—

Institutional and insider signal

Market cap: 28.95M
P/E ratio: -3.51
Dividend yield: 0.00%
52-week range: $0.50 – $1.91
Volume: 34.68K
Avg. volume: 210.4K

Price performance · INTZ

INTZ price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Nov 3, 2026

Last close: $0.57
Period change: -18.62%
Period low: $0.54
Period high: $0.70

Daily close

View OHLC price history

INTZ OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Nov 3, 2026	$0.5701	$0.60	$0.57	$0.57	34.68K
Nov 2, 2026	$0.58	$0.6099	$0.561	$0.561	20.81K
Oct 30, 2026	$0.6149	$0.6149	$0.5617	$0.5821	75.84K
Oct 29, 2026	$0.624	$0.6598	$0.5816	$0.5919	30.52K
Oct 28, 2026	$0.5816	$0.6798	$0.5816	$0.6494	62.74K
Oct 27, 2026	$0.5554	$0.60	$0.5554	$0.5816	16.34K
Oct 26, 2026	$0.5889	$0.6052	$0.57	$0.5723	27.7K
Oct 23, 2026	$0.53	$0.5799	$0.53	$0.579	88.84K
Oct 22, 2026	$0.57	$0.5981	$0.5152	$0.5449	95.2K
Oct 21, 2026	$0.6103	$0.6287	$0.5003	$0.5601	122.12K
Oct 20, 2026	$0.6101	$0.63	$0.61	$0.6101	17.39K
Oct 19, 2026	$0.62	$0.63	$0.61	$0.61	34.87K
Oct 16, 2026	$0.6298	$0.6498	$0.62	$0.629	42.09K
Oct 15, 2026	$0.636	$0.6499	$0.62	$0.6282	37.75K
Oct 14, 2026	$0.6403	$0.6757	$0.6291	$0.6543	50.56K
Oct 13, 2026	$0.64	$0.6628	$0.64	$0.6492	21.26K
Oct 12, 2026	$0.675	$0.684	$0.6303	$0.6403	48.23K
Oct 9, 2026	$0.691	$0.7093	$0.625	$0.6614	153.26K
Oct 8, 2026	$0.7082	$0.7082	$0.6811	$0.6842	47.93K
Oct 7, 2026	$0.729	$0.7398	$0.6901	$0.7004	32.99K

Latest INTZ news

The latest Smart Investors Daily articles mentioning INTZ.

sec filingNov 2, 2026

INTRUSION INC (INTZ) Reports Material Event to SEC

earningsAug 11, 2026

Intrusion (INTZ) Misses Q2 Earnings Expectations

earningsAug 10, 2026

Intrusion Inc. (INTZ) Set to Report Q2 Earnings on August 11, 2026

Latest INTZ news

The latest Smart Investors Daily articles mentioning INTZ.

INTZ research

SEC Filings

Recent regulatory filings and source documents.

SEC filing history

Open a filing to view the original source document.

INTZ SEC filings
Filed	Form	Description	Accepted	Document
Nov 2, 2026	8-K	Form 8-K - Current report - Item 1.01 Item 3.02 Item 5.03 Item 7.01 Item 8.01 Item 9.01	—	Open source
Oct 9, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Oct 9, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Oct 9, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 15, 2026	8-K	Form 8-K - Current report - Item 5.02	—	Open source
Sep 4, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 3, 2026	8-K	Form 8-K - Current report - Item 3.02 Item 8.01 Item 9.01	—	Open source
Sep 2, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 2, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 2, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 2, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 28, 2026	8-K	Form 8-K - Current report - Item 1.01 Item 2.01 Item 2.03 Item 5.07 Item 9.01	—	Open source
Aug 26, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 19, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 19, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 19, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 18, 2026	8-K	Form 8-K - Current report - Item 1.01 Item 3.02 Item 9.01	—	Open source
Aug 11, 2026	10-Q	Form 10-Q - Quarterly report [Sections 13 or 15(d)]	—	Open source
Aug 11, 2026	8-K	Form 8-K - Current report - Item 2.02 Item 9.01	—	Open source
Jul 30, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 30, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 21, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Jul 20, 2026	DEF 14A	Form DEF 14A - Other definitive proxy statements	—	Open source
Jul 16, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 16, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 16, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 16, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 16, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 16, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 7, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 7, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 30, 2026	8-K	Form 8-K - Current report - Item 1.01 Item 3.02 Item 7.01 Item 9.01	—	Open source
Apr 9, 2026	8-K	Form 8-K - Current report - Item 1.01 Item 9.01	—	Open source
Mar 25, 2026	10-K	Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]	—	Open source
Mar 24, 2026	8-K	Form 8-K - Current report - Item 2.02 Item 9.01	—	Open source
Dec 4, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Nov 12, 2025	10-Q	Form 10-Q - Quarterly report [Sections 13 or 15(d)]	—	Open source
Nov 12, 2025	8-K	Form 8-K - Current report - Item 2.02 Item 9.01	—	Open source
Aug 25, 2025	8-K	Form 8-K - Current report - Item 5.07	—	Open source
Aug 21, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 21, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 21, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 21, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 19, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 12, 2025	10-Q	Form 10-Q - Quarterly report [Sections 13 or 15(d)]	—	Open source
Aug 12, 2025	8-K	Form 8-K - Current report - Item 2.02 Item 9.01	—	Open source
Jul 2, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 2, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 2, 2025	DEF 14A	Form DEF 14A - Other definitive proxy statements	—	Open source
Jun 12, 2025	8-K	Form 8-K - Current report - Item 1.01 Item 9.01	—	Open source

Filed

Form

Description

Accepted

Document

Nov 2, 2026

8-K

Form 8-K - Current report - Item 1.01 Item 3.02 Item 5.03 Item 7.01 Item 8.01 Item 9.01

—

Open source

Oct 9, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Oct 9, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Oct 9, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 15, 2026

8-K

Form 8-K - Current report - Item 5.02

—

Open source

Sep 4, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 3, 2026

8-K

Form 8-K - Current report - Item 3.02 Item 8.01 Item 9.01

—

Open source

Sep 2, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 2, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 2, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 2, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 28, 2026

8-K

Form 8-K - Current report - Item 1.01 Item 2.01 Item 2.03 Item 5.07 Item 9.01

—

Open source

Aug 26, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 19, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 19, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 19, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 18, 2026

8-K

Form 8-K - Current report - Item 1.01 Item 3.02 Item 9.01

—

Open source

Aug 11, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

—

Open source

Aug 11, 2026

8-K

Form 8-K - Current report - Item 2.02 Item 9.01

—

Open source

Jul 30, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 30, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 21, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Jul 20, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

—

Open source

Jul 16, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 16, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 16, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 16, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 16, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 16, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 7, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 7, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jun 30, 2026

8-K

Form 8-K - Current report - Item 1.01 Item 3.02 Item 7.01 Item 9.01

—

Open source

Apr 9, 2026

8-K

Form 8-K - Current report - Item 1.01 Item 9.01

—

Open source

Mar 25, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

—

Open source

Mar 24, 2026

8-K

Form 8-K - Current report - Item 2.02 Item 9.01

—

Open source

Dec 4, 2025

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Nov 12, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

—

Open source

Nov 12, 2025

8-K

Form 8-K - Current report - Item 2.02 Item 9.01

—

Open source

Aug 25, 2025

8-K

Form 8-K - Current report - Item 5.07

—

Open source

Aug 21, 2025

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 21, 2025

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 21, 2025

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 21, 2025

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 19, 2025

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 12, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

—

Open source

Aug 12, 2025

8-K

Form 8-K - Current report - Item 2.02 Item 9.01

—

Open source

Jul 2, 2025

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 2, 2025

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 2, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

—

Open source

Jun 12, 2025

8-K

Form 8-K - Current report - Item 1.01 Item 9.01

—

Open source

INTRUSION INC (INTZ) Reports Material Event to SEC

Intrusion (INTZ) Misses Q2 Earnings Expectations

Intrusion Inc. (INTZ) Set to Report Q2 Earnings on August 11, 2026

Featured By

INTRUSION INC (INTZ) Reports Material Event to SEC

Intrusion (INTZ) Misses Q2 Earnings Expectations

Intrusion Inc. (INTZ) Set to Report Q2 Earnings on August 11, 2026