Intrusion Inc. (INTZ) CTO has 11,085 RSU shares withheld for taxes

Rhea-AI Filing Summary

Intrusion Inc.'s Chief Technology Officer reports tax withholding on vested stock. On January 22, 2026, T. Joe Head had 11,085 shares of common stock withheld at $1.30 per share. According to the footnote, these shares were withheld by the company to cover minimum statutory taxes due when restricted stock units vested, rather than sold in an open-market transaction. After this withholding, Head directly beneficially owned 72,556 shares of Intrusion Inc. common stock.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HEAD T JOE

(Last) (First) (Middle)

101 EAST PARK BLVD, SUITE 1300

(Street)

PLANO TX 75074

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
INTRUSION INC [ INTZ ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Technology Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/22/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	01/22/2026		F		11,085	D	$1.3	72,556	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of restricted stock units.

	/s/ T. Joe Head	01/26/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transaction did Intrusion Inc (INTZ) report for its CTO?

The Chief Technology Officer, T. Joe Head, reported a transaction on January 22, 2026 where 11,085 shares of common stock were withheld to satisfy tax obligations on vested restricted stock units.

How many Intrusion Inc (INTZ) shares were withheld for taxes in this Form 4?

The filing shows 11,085 shares of Intrusion Inc. common stock were withheld by the company at $1.30 per share to cover minimum statutory tax withholding on RSU vesting.

Did the Intrusion Inc CTO sell shares on the open market in this Form 4?

No. The footnote explains that the 11,085 shares were withheld by the company to meet minimum statutory tax withholding requirements when restricted stock units vested, rather than being an open-market sale.

How many Intrusion Inc (INTZ) shares does the CTO own after this transaction?

After the reported tax withholding transaction, T. Joe Head beneficially owned 72,556 shares of Intrusion Inc. common stock, held in direct ownership.

What does transaction code "F" mean in this Intrusion Inc Form 4?

In this context, transaction code "F" indicates that shares were withheld to satisfy tax withholding obligations related to the vesting of restricted stock units, as described in the footnote.

What is the role of the insider in this Intrusion Inc (INTZ) filing?

The reporting person, T. Joe Head, is identified as Chief Technology Officer of Intrusion Inc. and is not listed as a director or 10% owner in the filing.