INTRUSION INC

Q: Jun 30 2026

Q: Mar 31 2026

FY: Dec 31 2025

Q: Sep 30 2025

Q: Jun 30 2025

FY: Dec 31 2024

Q: Mar 31 2025

FY: Dec 31 2024

Q: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

FY: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 31 2022

Q: Sep 30 2022

Q: Jun 30 2022

Q: Mar 31 2022

FY: Dec 31 2021

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Unregistered Sales of Equity Securities

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Regulation FD Disclosure

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Submission of Matters to a Vote of Security Holders

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Termination of a Material Definitive Agreement

Results of Operations and Financial Condition

Unregistered Sales of Equity Securities

Entry into a Material Definitive Agreement

Unregistered Sales of Equity Securities

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Prospectus filed under Rule 424(b)(1)

Notice of Effectiveness

Registration (IPO) statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Notice of Effectiveness

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

Withdrawal of a registration statement

Amended Initial Registration Statement

Registration of Securities on Exchange

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Hinchcliffe Dion

Hinchcliffe Dion

Hinchcliffe Dion

LEVECCHIO ANTHONY J

MCCALLUM KATRINKA

Wilson Gregory K.

MCCALLUM KATRINKA

Scott Anthony

PINSON KIMBERLY

LEVECCHIO ANTHONY J

PINSON KIMBERLY

HEAD T JOE

Scott Anthony

MCCALLUM KATRINKA

Hinchcliffe Dion

Wilson Gregory K.

LEVECCHIO ANTHONY J

PINSON KIMBERLY

Tego Cyber, Inc.

PINSON KIMBERLY

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

FILED AS OF DATE: 20051216

06

06

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)