Company filings profile · CIK 0001787518

T3 Defense Inc. — SEC filings & insider activity.

Real, source-linked SEC EDGAR activity for T3 Defense Inc. (DFNS): 28 filings in the last 90 days vs 27 in the prior 90 (filing-velocity steady · 1.04×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.

✔ Verified against the public SEC EDGAR filing record as of Sep 19, 2026. Source-linked, daily-refreshed.

Material 8-K events — T3 Defense Inc.

8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).

FiledEvent
Sep 11, 2026Material Direct Financial Obligation; Financial Statements and Exhibits
Sep 10, 2026Other Events; Financial Statements and Exhibits
Aug 31, 2026Termination of a Material Agreement; Other Events; Financial Statements and Exhibits
Aug 20, 2026Delisting / Listing-Rule Failure
Aug 17, 2026Other Events
Aug 6, 2026Item 5.07
Jul 16, 2026Item 3.03; Amendments to Bylaws/Charter; Financial Statements and Exhibits
Jul 15, 2026Other Events; Financial Statements and Exhibits
Jul 13, 2026Item 3.03; Amendments to Bylaws/Charter; Financial Statements and Exhibits
Jul 9, 2026Completion of Acquisition/Disposition; Financial Statements and Exhibits
Jun 29, 2026Item 5.07
Jun 18, 2026Other Events
Jun 15, 2026Other Events
Jun 11, 2026Departure/Election of Directors or Officers
May 8, 2026Delisting / Listing-Rule Failure

Watch T3 Defense Inc. automatically

Add this company to a watchlist and get a webhook/email the moment it files a material 8-K, an insider Form 4, or changes its risk-factor language.

Insider transactions (Form 4 / 3 / 5)

FiledForm
Jun 11, 20263
Apr 28, 20264

Recent filings

FiledFormDetail
Sep 15, 2026S-3 FORM S-3
Sep 15, 2026SCHEDULE 13D/A
Sep 11, 20268-K Material Direct Financial Obligation; Financial Statements and Exhibits
Sep 10, 20268-K Other Events; Financial Statements and Exhibits
Sep 3, 2026S-1 FORM S-1
Sep 3, 2026S-1 REGISTRATION STATEMENT
Aug 31, 20268-K Termination of a Material Agreement; Other Events; Financial Statements and Exhibits
Aug 20, 20268-K Delisting / Listing-Rule Failure
Aug 18, 202610-Q FORM 10-Q
Aug 17, 20268-K Other Events
Aug 14, 2026NT 10-Q FORM NT 10-Q
Aug 10, 2026S-8 FORM S-8
Aug 6, 20268-K Item 5.07
Aug 3, 2026DRS
Jul 31, 2026DRS
Jul 30, 2026DRS
Jul 24, 2026SCHEDULE 13D
Jul 16, 20268-K Item 3.03; Amendments to Bylaws/Charter; Financial Statements and Exhibits
Jul 16, 2026DEFA14A DEFINITIVE ADDITIONAL MATERIALS
Jul 15, 20268-K Other Events; Financial Statements and Exhibits
Jul 14, 2026DEFA14A DEFINITIVE ADDITIONAL MATERIALS
Jul 13, 20268-K Item 3.03; Amendments to Bylaws/Charter; Financial Statements and Exhibits
Jul 9, 2026DEF 14A DEFINITIVE PROXY STATEMENT
Jul 9, 20268-K Completion of Acquisition/Disposition; Financial Statements and Exhibits
Jul 1, 2026424B3 PROSPECTUS
Jun 30, 2026EFFECT Item ; Item ; Item
Jun 29, 20268-K Item 5.07
Jun 25, 2026S-1/A AMENDMENT NO. 1 TO FORM S-1
Jun 18, 20268-K Other Events
Jun 17, 2026DEFA14A DEFINITIVE ADDITIONAL MATERIALS
Jun 15, 20268-K Other Events
Jun 11, 20263
Jun 11, 20268-K Departure/Election of Directors or Officers
Jun 4, 2026S-1 REGISTRATION STATEMENT
Jun 1, 2026DEFR14A REVISED DEFINITIVE PROXY STATEMENT
May 27, 2026DEF 14A DEFINITIVE PROXY STATEMENT
May 21, 2026SCHEDULE 13G
May 20, 202610-Q QUARTERLY REPORT
May 15, 2026NT 10-Q NOTIFICATION OF LATE FILING
May 8, 20268-K Delisting / Listing-Rule Failure