SEC Filings for T3 Defense Inc. (DFNS)

Last updated: 2026-03-12 17:07 UTC | Total filings: 322

Browse the latest SEC filings and forms submitted by T3 Defense Inc. (DFNS). Access annual reports, quarterly statements, and other official disclosures.

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Form Filing Date Description Link
8-K March 12, 2026 CURRENT REPORT View Document
D March 10, 2026 - View Document
8-K March 6, 2026 CURRENT REPORT View Document
8-K March 2, 2026 CURRENT REPORT View Document
8-K/A Feb. 25, 2026 AMENDMENT NO. 1 TO FORM 8-K View Document
8-K Feb. 25, 2026 CURRENT REPORT View Document
8-K Feb. 20, 2026 CURRENT REPORT View Document
8-K Feb. 17, 2026 CURRENT REPORT View Document
SCHEDULE 13G/A Feb. 17, 2026 - View Document
8-K Feb. 13, 2026 CURRENT REPORT View Document
EFFECT Feb. 13, 2026 - View Document
424B3 Feb. 13, 2026 PROSPECTUS View Document
S-1 Feb. 11, 2026 REGISTRATION STATEMENT View Document
8-K Feb. 9, 2026 CURRENT REPORT View Document
8-K Feb. 3, 2026 CURRENT REPORT View Document
DRS Feb. 2, 2026 - View Document
4 Jan. 29, 2026 - View Document
8-K Jan. 22, 2026 CURRENT REPORT View Document
4 Jan. 20, 2026 - View Document
SCHEDULE 13D Jan. 20, 2026 - View Document
8-K Jan. 16, 2026 CURRENT REPORT View Document
8-K Jan. 14, 2026 CURRENT REPORT View Document
8-K Jan. 13, 2026 CURRENT REPORT View Document
4 Dec. 31, 2025 - View Document
4 Dec. 31, 2025 - View Document
8-K Dec. 30, 2025 CURRENT REPORT View Document
424B3 Dec. 23, 2025 PROSPECTUS View Document
EFFECT Dec. 23, 2025 - View Document
EFFECT Dec. 23, 2025 - View Document
424B3 Dec. 23, 2025 PROSPECTUS View Document
4 Dec. 22, 2025 - View Document
8-K Dec. 17, 2025 CURRENT REPORT View Document
8-K Dec. 17, 2025 CURRENT REPORT View Document
S-1 Dec. 17, 2025 REGISTRATION STATEMENT View Document
S-1 Dec. 17, 2025 REGISTRATION STATEMENT View Document
DEFA14A Dec. 11, 2025 DEFINITIVE ADDITIONAL MATERIALS View Document
8-K Dec. 9, 2025 CURRENT REPORT View Document
8-K Nov. 28, 2025 CURRENT REPORT View Document
8-K Nov. 26, 2025 CURRENT REPORT View Document
8-K Nov. 25, 2025 CURRENT REPORT View Document
S-8 Nov. 25, 2025 REGISTRATION STATEMENT View Document
8-K Nov. 25, 2025 CURRENT REPORT View Document
DEF 14A Nov. 24, 2025 DEFINITIVE PROXY STATEMENT View Document
4 Nov. 20, 2025 - View Document
4 Nov. 20, 2025 - View Document
4 Nov. 20, 2025 - View Document
4 Nov. 20, 2025 - View Document
4 Nov. 17, 2025 - View Document
SCHEDULE 13G/A Nov. 14, 2025 - View Document
10-Q Nov. 14, 2025 QUARTERLY REPORT View Document
8-K Nov. 10, 2025 CURRENT REPORT View Document
DRS Nov. 3, 2025 - View Document
PRER14A Oct. 28, 2025 REVISED PRELIMINARY PROXY STATEMENT View Document
4 Oct. 24, 2025 - View Document
DRS Oct. 17, 2025 - View Document
8-K Oct. 17, 2025 CURRENT REPORT View Document
DEF 14A Oct. 16, 2025 DEFINITIVE PROXY STATEMENT View Document
4 Oct. 10, 2025 - View Document
8-K Sept. 29, 2025 CURRENT REPORT View Document
8-K Sept. 19, 2025 CURRENT REPORT View Document
D Sept. 18, 2025 - View Document
8-K Sept. 16, 2025 CURRENT REPORT View Document
RW Sept. 15, 2025 WITHDRAWAL REQUEST View Document
8-K Sept. 5, 2025 CURRENT REPORT View Document
8-K Sept. 2, 2025 CURRENT REPORT View Document
8-K Sept. 2, 2025 CURRENT REPORT View Document
8-K Aug. 29, 2025 CURRENT REPORT View Document
8-K Aug. 25, 2025 CURRENT REPORT View Document
10-Q Aug. 14, 2025 QUARTERLY REPORT View Document
8-K Aug. 8, 2025 CURRENT REPORT View Document
8-K July 31, 2025 CURRENT REPORT View Document
PRER14A July 29, 2025 REVISED PRELIMINARY PROXY STATEMENT View Document
S-1/A July 29, 2025 AMENDMENT NO. 4 TO FORM S-1 View Document
8-K July 25, 2025 CURRENT REPORT View Document
SCHEDULE 13G/A July 15, 2025 - View Document
UPLOAD July 14, 2025 - View Document
10-Q/A July 9, 2025 AMENDMENT NO. 1 TO FORM 10-Q View Document
S-1/A July 9, 2025 AMENDMENT NO. 3 TO FORM S-1 View Document
10-KT/A July 9, 2025 AMENDMENT NO. 1 TO FORM 10-KT View Document
PRER14A July 9, 2025 REVISED PRELIMINARY PROXY STATEMENT View Document
CORRESP July 9, 2025 - View Document
UPLOAD June 30, 2025 - View Document
8-K June 30, 2025 CURRENT REPORT View Document
8-K June 20, 2025 CURRENT REPORT View Document
PRER14A June 18, 2025 REVISED PRELIMINARY PROXY STATEMENT View Document
S-1/A June 18, 2025 AMENDMENT NO. 2 TO FORM S-1 View Document
10-Q May 23, 2025 QUARTERLY REPORT View Document
PRER14A May 15, 2025 REVISED PRELIMINARY PROXY STATEMENT View Document
NT 10-Q May 15, 2025 NOTIFICATION OF LATE FILING View Document
S-1/A May 15, 2025 AMENDMENT NO. 1 TO FORM S-1 View Document
8-K May 14, 2025 CURRENT REPORT View Document
10-KT May 8, 2025 TRANSITION REPORT View Document
UPLOAD April 23, 2025 - View Document
10-K/A April 14, 2025 AMENDMENT NO. 1 TO FORM 10-K View Document
CORRESP April 8, 2025 - View Document
NT 10-K March 31, 2025 NOTIFICATION OF LATE FILING View Document
UPLOAD March 12, 2025 - View Document
8-K Feb. 19, 2025 CURRENT REPORT View Document
SCHEDULE 13G/A Feb. 18, 2025 - View Document
8-K Feb. 14, 2025 CURRENT REPORT View Document
PRE 14A Feb. 13, 2025 PRELIMINARY PROXY STATEMENT View Document
S-1 Feb. 12, 2025 REGISTRATION STATEMENT View Document
10-K Feb. 10, 2025 ANNUAL REPORT View Document
8-K Jan. 16, 2025 CURRENT REPORT View Document
D Jan. 8, 2025 - View Document
8-K Jan. 8, 2025 CURRENT REPORT View Document
8-K/A Jan. 8, 2025 AMENDMENT NO. 1 TO FORM 8-K View Document
8-K Jan. 3, 2025 CURRENT REPORT View Document
NT 10-K Dec. 31, 2024 NOTIFICATION OF LATE FILING View Document
SCHEDULE 13G Dec. 23, 2024 - View Document
4/A Dec. 23, 2024 - View Document
3 Dec. 20, 2024 - View Document
3 Dec. 20, 2024 - View Document
4 Dec. 20, 2024 OWNERSHIP DOCUMENT View Document
4 Dec. 20, 2024 OWNERSHIP DOCUMENT View Document
4 Dec. 20, 2024 OWNERSHIP DOCUMENT View Document
4 Dec. 20, 2024 OWNERSHIP DOCUMENT View Document
4 Dec. 20, 2024 OWNERSHIP DOCUMENT View Document
3 Dec. 20, 2024 OWNERSHIP DOCUMENT View Document
3 Dec. 20, 2024 - View Document
8-K Dec. 20, 2024 CURRENT REPORT View Document
8-K Dec. 17, 2024 CURRENT REPORT View Document
8-K Dec. 6, 2024 CURRENT REPORT View Document
8-K Nov. 25, 2024 CURRENT REPORT View Document
8-K Nov. 22, 2024 CURRENT REPORT View Document
8-K Nov. 15, 2024 CURRENT REPORT View Document
8-K Nov. 12, 2024 CURRENT REPORT View Document
SC 13G/A Nov. 12, 2024 GSCO FILE OUT FOR NUKKLEUS 13G Q3 2024 View Document
8-K Oct. 22, 2024 CURRENT REPORT View Document
8-K Oct. 18, 2024 CURRENT REPORT View Document
8-K Oct. 4, 2024 CURRENT REPORT View Document
DEF 14A Sept. 30, 2024 PROXY STATEMENT View Document
3 Sept. 25, 2024 - View Document
PRE 14A Sept. 17, 2024 PRELIMINARY PROXY STATEMENT View Document
8-K Sept. 12, 2024 CURRENT REPORT View Document
10-Q Sept. 11, 2024 QUARTERLY REPORT View Document
8-K Aug. 27, 2024 CURRENT REPORT View Document
NT 10-Q Aug. 15, 2024 NOTIFICATION OF LATE FILING View Document
10-Q Aug. 14, 2024 QUARTERLY REPORT View Document
8-K Aug. 5, 2024 CURRENT REPORT View Document
10-Q July 30, 2024 QUARTERLY REPORT View Document
8-K July 25, 2024 CURRENT REPORT View Document
10-K July 12, 2024 ANNUAL REPORT View Document
8-K June 17, 2024 CURRENT REPORT View Document
8-K June 4, 2024 CURRENT REPORT View Document
8-K May 31, 2024 CURRENT REPORT View Document
8-K May 30, 2024 CURRENT REPORT View Document
8-K May 21, 2024 CURRENT REPORT View Document
8-K May 8, 2024 CURRENT REPORT View Document
8-K March 8, 2024 CURRENT REPORT View Document
SC 13G Feb. 13, 2024 - View Document
8-K Jan. 26, 2024 CURRENT REPORT View Document
8-K Jan. 17, 2024 CURRENT REPORT View Document
8-K Jan. 11, 2024 CURRENT REPORT View Document
NT 10-K Jan. 2, 2024 NOTIFICATION OF LATE FILING View Document
8-K Jan. 2, 2024 CURRENT REPORT View Document
25-NSE Dec. 26, 2023 - View Document
8-K Dec. 19, 2023 CURRENT REPORT View Document
8-K Dec. 15, 2023 CURRENT REPORT View Document
425 Dec. 4, 2023 FORM 425 View Document
425 Dec. 1, 2023 FORM 425 View Document
425 Nov. 29, 2023 FORM 425 View Document
425 Nov. 29, 2023 425 View Document
425 Nov. 24, 2023 CURRENT REPORT View Document
8-K Nov. 24, 2023 CURRENT REPORT View Document
10-Q Nov. 20, 2023 QUARTERLY REPORT View Document
424B3 Nov. 14, 2023 PROSPECTUS View Document
NT 10-Q Nov. 14, 2023 NOTIFICATION OF LATE FILING View Document
EFFECT Nov. 13, 2023 - View Document
S-4/A Nov. 13, 2023 REGISTRATION STATEMENT View Document
CORRESP Nov. 13, 2023 - View Document
CORRESP Nov. 13, 2023 - View Document
UPLOAD Nov. 9, 2023 - View Document
S-4/A Nov. 6, 2023 REGISTRATION STATEMENT View Document
8-K Nov. 2, 2023 FORM 8-K View Document
425 Nov. 2, 2023 FORM 8-K View Document
8-K Oct. 23, 2023 CURRENT REPORT View Document
425 Oct. 23, 2023 CURRENT REPORT View Document
S-4/A Oct. 4, 2023 REGISTRATION STATEMENT View Document
CORRESP Oct. 3, 2023 - View Document
UPLOAD Sept. 27, 2023 - View Document
425 Sept. 22, 2023 CURRENT REPORT View Document
8-K Sept. 22, 2023 CURRENT REPORT View Document
8-K Sept. 19, 2023 CURRENT REPORT View Document
425 Sept. 19, 2023 CURRENT REPORT View Document
CORRESP Sept. 8, 2023 - View Document
S-4/A Sept. 8, 2023 REGISTRATION STATEMENT View Document
425 Aug. 23, 2023 CURRENT REPORT View Document
8-K Aug. 23, 2023 CURRENT REPORT View Document
UPLOAD Aug. 21, 2023 - View Document
10-Q Aug. 18, 2023 QUARTERLY REPORT View Document
NT 10-Q Aug. 14, 2023 NOTIFICATION OF LATE FILING View Document
S-4 July 25, 2023 REGISTRATION STATEMENT View Document
425 July 21, 2023 CURRENT REPORT View Document
8-K July 21, 2023 CURRENT REPORT View Document
DEF 14A July 7, 2023 PROXY STATEMENT View Document
UPLOAD July 7, 2023 - View Document
8-K July 6, 2023 CURRENT REPORT View Document
PRER14A July 5, 2023 PRELIMINARY PROXY STATEMENT View Document
CORRESP July 5, 2023 - View Document
UPLOAD July 3, 2023 - View Document
8-K June 29, 2023 CURRENT REPORT View Document
8-K June 26, 2023 CURRENT REPORT View Document
425 June 26, 2023 CURRENT REPORT View Document
425 June 23, 2023 CURRENT REPORT View Document
8-K June 23, 2023 CURRENT REPORT View Document
PRE 14A June 16, 2023 PROXY STATEMENT View Document
425 May 23, 2023 CURRENT REPORT View Document
8-K May 23, 2023 CURRENT REPORT View Document
10-Q May 22, 2023 QUARTERLY REPORT View Document
NT 10-Q May 15, 2023 FORM 10-Q EXTENSION View Document
425 April 24, 2023 CURRENT REPORT View Document
8-K April 24, 2023 CURRENT REPORT View Document
DEFA14A April 18, 2023 DEFINITIVE ADDITIONAL MATERIALS View Document
425 April 17, 2023 FORM 425 View Document
DEFA14A April 13, 2023 DEFINITIVE ADDITIONAL MATERIALS View Document
DEF 14A April 5, 2023 PROXY STATEMENT View Document
8-K March 23, 2023 CURRENT REPORT View Document
425 March 23, 2023 CURRENT REPORT View Document
PRE 14A March 15, 2023 PROXY STATEMENT View Document
10-K March 10, 2023 ANNUAL REPORT View Document
8-K Feb. 24, 2023 CURRENT REPORT View Document
425 Feb. 24, 2023 CURRENT REPORT View Document
8-K Feb. 22, 2023 CURRENT REPORT View Document
DEF 14A Feb. 9, 2023 DEFINITIVE PROXY STATEMENT View Document
SC 13G/A Feb. 7, 2023 BRLI 13GA View Document
425 Jan. 25, 2023 CURRENT REPORT View Document
8-K Jan. 25, 2023 CURRENT REPORT View Document
DEFA14A Jan. 17, 2023 DEFINITIVE ADDITIONAL MATERIALS View Document
8-K Jan. 11, 2023 CURRENT REPORT View Document
8-K Jan. 3, 2023 CURRENT REPORT View Document
DEF 14A Jan. 3, 2023 PROXY STATEMENT View Document
8-K Dec. 20, 2022 CURRENT REPORT View Document
425 Dec. 20, 2022 CURRENT REPORT View Document
PRE 14A Dec. 7, 2022 PRELIMINARY PROXY STATEMENT View Document
8-K Nov. 18, 2022 CURRENT REPORT View Document
425 Nov. 18, 2022 CURRENT REPORT View Document
10-Q Nov. 14, 2022 QUARTERLY REPORT View Document
SC 13G/A Nov. 10, 2022 KARPUS INVESTMENT MGT / BRILLIANT ACQUISITION CORP - SCHEDULE 13G/A(#1) View Document
8-K Oct. 19, 2022 CURRENT REPORT View Document
425 Oct. 19, 2022 CURRENT REPORT View Document
DEFA14A Sept. 29, 2022 DEFINITIVE ADDITIONAL MATERIALS View Document
425 Sept. 29, 2022 CURRENT REPORT View Document
8-K Sept. 29, 2022 CURRENT REPORT View Document
DEF 14A Sept. 26, 2022 DEFINITIVE PROXY STATEMENT View Document
8-K Sept. 22, 2022 CURRENT REPORT View Document
425 Sept. 22, 2022 CURRENT REPORT View Document
PRE 14A Sept. 15, 2022 PRELIMINARY PROXY STATEMENT View Document
10-Q Aug. 18, 2022 QUARTERLY REPORT View Document
NT 10-Q Aug. 15, 2022 NOTIFICATION OF LATE FILING View Document
8-K Aug. 9, 2022 CURRENT REPORT View Document
SC 13G/A Aug. 5, 2022 SCHEDULE 13G/A View Document
425 July 19, 2022 CURRENT REPORT View Document
8-K July 19, 2022 CURRENT REPORT View Document
UPLOAD June 29, 2022 - View Document
DEF 14A June 28, 2022 DEFINITIVE PROXY STATEMENT View Document
CORRESP June 24, 2022 - View Document
PRER14A June 24, 2022 REVISED PRELIMINARY PROXY STATEMENT View Document
UPLOAD June 23, 2022 - View Document
8-K June 17, 2022 CURRENT REPORT View Document
PRE 14A June 17, 2022 PRELIMINARY PROXY STATEMENT View Document
425 May 19, 2022 CURRENT REPORT View Document
10-Q May 16, 2022 QUARTERLY REPORT View Document
425 May 4, 2022 FORM 425 View Document
4 April 21, 2022 - View Document
4 April 20, 2022 - View Document
425 April 18, 2022 REGISTRATION STATEMENT PRESS RELEASE View Document
10-K March 31, 2022 ANNUAL REPORT View Document
8-K March 22, 2022 CURRENT REPORT View Document
425 March 22, 2022 CURRENT REPORT View Document
3 March 11, 2022 - View Document
3 March 11, 2022 - View Document
10-K/A March 8, 2022 AMENDMENT NO. 1 TO FORM 10-K View Document
DEF 14A March 4, 2022 DEFINITIVE PROXY STATEMENT View Document
8-K Feb. 28, 2022 CURRENT REPORT View Document
425 Feb. 24, 2022 FORM 425 View Document
PRE 14A Feb. 23, 2022 PRELIMINARY PROXY STATEMENT View Document
425 Feb. 23, 2022 CURRENT REPORT View Document
8-K Feb. 23, 2022 CURRENT REPORT View Document
8-K Feb. 22, 2022 CURRENT REPORT View Document
SC 13G Feb. 14, 2022 SCHEDULE 13G View Document
SC 13G/A Feb. 14, 2022 - View Document
SC 13G Feb. 14, 2022 KARPUS INVESTMENT MGT / BRILLIANT ACQUISITION CORP - SCHEDULE 13G View Document
SC 13G Feb. 8, 2022 BRLI 13G View Document
SC 13G/A Jan. 11, 2022 SCHEDULE 13G/A View Document
8-K Dec. 23, 2021 CURRENT REPORT View Document
10-Q Nov. 19, 2021 QUARTERLY REPORT View Document
8-K Nov. 19, 2021 CURRENT REPORT View Document
NT 10-Q Nov. 16, 2021 NOTIFICATION OF LATE FILING View Document
8-K Oct. 18, 2021 CURRENT REPORT View Document
10-Q Oct. 13, 2021 QUARTERLY REPORT View Document
10-Q Oct. 13, 2021 QUARTERLY REPORT View Document
10-K Oct. 13, 2021 ANNUAL REPORT View Document
8-K Oct. 12, 2021 CURRENT REPORT View Document
8-K Sept. 21, 2021 CURRENT REPORT View Document
8-K Aug. 31, 2021 CURRENT REPORT View Document
NT 10-Q Aug. 16, 2021 NOTIFICATION OF LATE FILING View Document
8-K June 28, 2021 CURRENT REPORT View Document
8-K June 22, 2021 CURRENT REPORT View Document
SC 13G June 21, 2021 SCHEDULE 13G View Document
8-K June 8, 2021 CURRENT REPORT View Document
8-K April 19, 2021 CURRENT REPORT View Document
NT 10-K March 31, 2021 NOTIFICATION OF LATE FILING View Document
SC 13G Feb. 16, 2021 - View Document
SC 13G Feb. 12, 2021 SCHEDULE 13G View Document
10-Q Nov. 16, 2020 QUARTERLY REPORT View Document
10-Q Aug. 14, 2020 QUARTERLY REPORT View Document
8-K July 29, 2020 CURRENT REPORT View Document
8-K July 2, 2020 CURRENT REPORT View Document
8-K June 29, 2020 CURRENT REPORT View Document
424B4 June 24, 2020 PROSPECTUS View Document
EFFECT June 23, 2020 - View Document
CERT June 23, 2020 - View Document
8-A12B June 22, 2020 FOR REGISTRATION OF CERTAIN CLASSES View Document
CORRESP June 19, 2020 - View Document
CORRESP June 19, 2020 - View Document
S-1/A June 5, 2020 REGISTRATION STATEMENT View Document
S-1 March 13, 2020 REGISTRATION STATEMENT View Document
DRS/A Jan. 27, 2020 - View Document
DRSLTR Jan. 27, 2020 - View Document
UPLOAD Dec. 23, 2019 - View Document
DRS Nov. 26, 2019 - View Document