| 22/09/26 | 17:59:00 | 22 Sept 2026 | | Result of Annual General Meeting | PRN |
| 18/09/26 | 07:00:00 | 18 Sept 2026 | | Second UK Government Contract | PRN |
| 10/09/26 | 07:00:05 | 10 Sept 2026 | | Operational and Strategic Business Update | RNS |
| 08/09/26 | 10:00:01 | 8 Sept 2026 | | Announcement of Inaugural Meridian Cohort | RNS |
| 19/08/26 | 07:00:04 | 19 Aug 2026 | | Open Letter to Shareholders | RNS |
| 17/08/26 | 07:00:00 | 17 Aug 2026 | | Defence Holdings Commitment of £2 Million as Cornerstone Investor in UK Defence Fund | PRN |
| 28/07/26 | 07:00:00 | 28 Jul 2026 | | Annual Results | PRN |
| 03/07/26 | 09:15:00 | 3 Jul 2026 | | Defence Holdings Secures First Revenue-Generating Ministry of Defence Contract | PRN |
| 26/06/26 | 07:00:00 | 26 Jun 2026 | | Results of Fundraising | PRN |
| 25/06/26 | 16:35:00 | 25 Jun 2026 | | Proposed Fundraising to raise up to £4m | RNS |
| 18/06/26 | 07:00:07 | 18 Jun 2026 | | Meridian: Accelerator Identity & Platform Launch | RNS |
| 10/06/26 | 09:00:00 | 10 Jun 2026 | | Defence Holdings Announces Partnership with Oracle for Accelerator Programme | PRN |
| 05/06/26 | 07:02:00 | 5 Jun 2026 | | Defence Holdings Confirms Publication of UK Government Transparency Notice Relating to Proposed Ministry of Defence Contract | PRN |
| 04/06/26 | 07:00:00 | 4 Jun 2026 | | Defence Holdings Announces First Strategic Delivery Partnership for Accelerator Programme | PRN |
| 28/05/26 | 07:00:00 | 28 May 2026 | | Defence Holdings Provides Operational Update, Publishes Operating Model, Strategic Equity Position, CEO Interview and Update on ATM | PRN |
| 17/02/26 | 07:00:00 | 17 Feb 2026 | | Launches Sovereign Software Capability Accelerator and Provides Operational Update | PRN |
| 05/02/26 | 08:13:45 | 5 Feb 2026 | | Appointment of CEO, update on ATM, and PDMR | RNS |
| 22/01/26 | 12:00:00 | 22 Jan 2026 | | Defence Holdings Appoints Jim Clover OBE to Advisory Board, Strengthening Defence and National Security Focus | PRN |
| 30/12/25 | 07:00:00 | 30 Dec 2025 | | Defence Holdings Announce New National Security Pillar & Strategic Collaboration with Gloucestershire Police | PRN |
| 24/12/25 | 07:00:00 | 24 Dec 2025 | | Defence Holdings Agrees Appointment of Chief Executive Officer | PRN |
| 22/12/25 | 07:00:00 | 22 Dec 2025 | | Operational Update and Interim Results | PRN |
| 18/12/25 | 11:00:00 | 18 Dec 2025 | | Exercise of Warrants and Update on ATM Facility | PRN |
| 14/11/25 | 17:04:00 | 14 Nov 2025 | | Update on ATM Facility | PRN |
| 06/11/25 | 09:00:00 | 6 Nov 2025 | | Oracle and Defence Technologies Collaborate to Deliver AI Innovation | PRN |
| 31/10/25 | 07:00:00 | 31 Oct 2025 | | Update on ATM Facility | PRN |
| 22/10/25 | 07:00:00 | 22 Oct 2025 | | Defence Technologies to Showcase Sovereign-AI Capabilities at NATO Task Force Maven Industry Day and Deepen Collaboration with Google Cloud at the Digital Sovereignty Summit | PRN |
| 20/10/25 | 07:00:00 | 20 Oct 2025 | | Operational Update: Defence Holdings Strengthens Position at the Centre of Allied Defence Innovation | PRN |
| 14/10/25 | 13:50:00 | 14 Oct 2025 | | Result of Annual General Meeting | PRN |
| 10/10/25 | 07:00:00 | 10 Oct 2025 | | US OTC Listing, Oracle AI World, and ATM Facility Established | PRN |
| 03/10/25 | 13:13:00 | 3 Oct 2025 | | Defence Holdings PLC Selects Hyperscale Provider for Project Ixian | PRN |
| 01/10/25 | 11:03:00 | 1 Oct 2025 | | Exercise of Warrants | PRN |
| 01/10/25 | 07:00:09 | 1 Oct 2025 | | Second Classified AI Product Build | RNS |
| 26/09/25 | 07:00:08 | 26 Sept 2025 | | Live Broadcast of Interview with Lord Houghton | RNS |
| 24/09/25 | 07:00:13 | 24 Sept 2025 | | Exercise of Warrants | RNS |
| 18/09/25 | 12:30:00 | 18 Sept 2025 | | Notice of Annual General Meeting | RNS |
| 18/09/25 | 07:00:13 | 18 Sept 2025 | | Defence Holdings to Host Broadcast with SLT | RNS |
| 11/09/25 | 07:00:16 | 11 Sept 2025 | | First AI Product Build in Information Operations | RNS |
| 09/09/25 | 16:30:00 | 9 Sept 2025 | | Exercise of Warrants | RNS |
| 09/09/25 | 07:00:04 | 9 Sept 2025 | | Vice Chairman Appointed to NATO NIAG CoW | RNS |
| 08/09/25 | 07:00:10 | 8 Sept 2025 | | Appointment of Non-Executive Chairman | RNS |
| 04/09/25 | 07:00:10 | 4 Sept 2025 | | Unveiling of First Classified AI Product | RNS |
| 02/09/25 | 07:00:09 | 2 Sept 2025 | | Update on Strategic Partnership with Whitespace | RNS |
| 27/08/25 | 07:00:09 | 27 Aug 2025 | | Appointment of Vice President | RNS |
| 26/08/25 | 17:43:15 | 26 Aug 2025 | | TR-1: Standard notification of major holdings | RNS |
| 21/08/25 | 10:38:16 | 21 Aug 2025 | | Broadcast Live Management Update | RNS |
| 19/08/25 | 07:00:06 | 19 Aug 2025 | | Completion of Partnership with Whitespace | RNS |
| 18/08/25 | 07:00:05 | 18 Aug 2025 | | Appointment of Chief Technology Officer | RNS |
| 14/08/25 | 07:00:03 | 14 Aug 2025 | | Defence Holdings and Whitespace Sign LOI | RNS |
| 13/08/25 | 14:00:01 | 13 Aug 2025 | | Operational Update | RNS |
| 13/08/25 | 10:51:45 | 13 Aug 2025 | | Operational Update | RNS |
