Key facts
- This page summarizes Head T. Joe's Form 4 filing for INTRUSION INC (INTZ).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 09 Oct 2026, 14:40.
Head T. Joe - 01 Oct 2026 Form 4 Insider Report for INTRUSION INC (INTZ)
- Reporting relationship
- Chief Technology Officer
- Issuer ticker
- INTZ
- Reported as of
- 01 Oct 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 09 Oct 2026, 14:40:45 UTC
- Prior SEC filing
- 30 Jul 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ T. Joe Head
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Head T. Joe filed Form 4 for INTRUSION INC (INTZ) on 09 Oct 2026.
Change
- Previous filing in this sequence was filed on 30 Jul 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001231361
Primary reporting owner
HEAD T JOE
- Relationship
- Chief Technology Officer
- Address
- C/O INTRUSION, INC., 101 EAST PARK BLVD, SUITE 1200, PLANO
- Signature
- /s/ T. Joe Head
- Signature date
- 09 Oct 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
INTZ
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -1,218
- Change %
- -1.3%
- Price
- $0.7102*
- Shares after
- 91,338
- Date
- 01 Oct 2026
- Ownership
- Direct
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on 10.01.2026 vesting of restricted stock units.