Intrusion CFO has 5,808 shares withheld for taxes

Intrusion Inc. Chief Financial Officer Kimberly Pinson reported 5,808 directly held common shares withheld on September 30, 2026, and 1,157 on October 1, 2026, to satisfy minimum statutory tax withholding requirements on restricted stock unit vesting.

Rhea-AI Filing Summary

Intrusion Inc. Chief Financial Officer Kimberly Pinson reported 5,808 directly held common shares withheld on September 30, 2026, and 1,157 on October 1, 2026, to satisfy minimum statutory tax withholding requirements on restricted stock unit vesting. The reported per-share values were $0.7202 and $0.7102, respectively. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Tax Withholding: 6,965 shares

Tax Withholding 2 txns

Insider PINSON KIMBERLY

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	1,157	$0.7102	$821.70
Tax Withholding	Common Stock F1	5,808	$0.7202	$4K

Holdings After Transaction: Common Stock — 130,636 shares (Direct)

Footnotes (1)

1. F1. Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting on 09.30.2026 & 10.01.2026 restricted stock units .

Key Figures

Common shares withheld: 5,808 shares Common shares withheld: 1,157 shares Reported per-share value: $0.7202 per share +1 more

4 metrics

Common shares withheld 5,808 shares September 30, 2026

Common shares withheld 1,157 shares October 1, 2026

Reported per-share value $0.7202 per share September 30, 2026 withholding

Reported per-share value $0.7102 per share October 1, 2026 withholding

Key Terms

restricted stock units, minimum statutory tax withholding requirements, Rule 10b5-1

3 terms

restricted stock units financial

"vesting on September 30 and October 1, 2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

minimum statutory tax withholding requirements financial

"satisfy the minimum statutory tax withholding requirements"

Rule 10b5-1 regulatory

"No Rule 10b5-1 plan is reported"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many INTZ shares did Kimberly Pinson have withheld for taxes?

Intrusion Inc. Chief Financial Officer Kimberly Pinson reported 5,808 directly held common shares withheld on September 30, 2026, and 1,157 on October 1, 2026, to satisfy minimum statutory tax withholding requirements on restricted stock unit vesting.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/09/2026 - 02:40 PM Accepted by SEC EDGAR 10/09/2026 - 02:40 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

PINSON KIMBERLY

(Last) (First) (Middle)

C/O INTRUSION, INC.

101 EAST PARK BLVD, SUITE 1200

(Street)

PLANO TEXAS 75074

(City) (State) (Zip)

UNITED STATES

(Country)

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 Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

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

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

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

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)	09/30/2026		F		5,808	D	$0.7202	131,793	D
Common Stock(1)	10/01/2026		F		1,157	D	$0.7102	130,636	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 on 09.30.2026 & 10.01.2026 restricted stock units .

	/s/ Kimberly Pinson	10/09/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)