Corero Network Security plc (AIM: CNS), a London-headquartered provider of DDoS protection solutions, has published its latest blocklisting return as required under Schedule 6 of the AIM Rules for Companies. The disclosure covers the six-month period from 13 May 2026 to 13 November 2026 and relates to the company's Unapproved Share Options Plan, Enterprise Management Incentive Plan, and Executive Enterprise Management Incentive Plan. During the period, 7,919,000 ordinary shares of 1 pence each were issued or allotted under the schemes, reducing the remaining balance available for future issuance. Investors monitoring dilution and share capital movements may note the updated figures disclosed in this routine regulatory filing.

Key Points

  • Corero Network Security plc (AIM: CNS; OTCQX: DDOSF)
  • Blocklisting return filed for the period 13 May 2026 to 13 November 2026 under three employee share schemes
  • 7,919,000 ordinary shares issued/allotted during the period; 36,624,708 shares remain unissued under the schemes; total shares in issue stand at 520,084,134
  • Investors should watch the remaining blocklisted balance for further allotments in future reporting periods

Corero's Employee Share Schemes: 7.9 Million Shares Allotted in Six-Month Period

The announcement states that 7,919,000 ordinary shares of 1 pence each were issued or allotted under Corero's employee share schemes during the six-month reporting window ending 13 November 2026. The opening balance carried forward from the previous return stood at 44,543,708 ordinary shares. The block scheme was not increased during the period, with the disclosure recording "N/A" against that field. As a result of the allotments made, the balance of shares yet to be issued or allotted under the schemes fell to 36,624,708 ordinary shares at the period end.

Total Share Capital Reaches 520 Million Ordinary Shares at Period End

Following allotments made during the period, Corero's total issued share capital stands at 520,084,134 ordinary shares of 1 pence each. The original block listing comprised 61,856,538 ordinary shares admitted to trading on 12 May 2022. The schemes covered by this return — the Unapproved Share Options Plan, the Enterprise Management Incentive Plan, and the Executive Enterprise Management Incentive Plan — collectively form the framework through which Corero incentivises its workforce. The filing is a standard regulatory requirement under AIM Rules, rather than a signal of any new fundraising or strategic transaction.

Corero's DDoS Protection Business and CORE Ecosystem Development

Corero describes itself as a leading provider of DDoS protection solutions, offering real-time automated detection and mitigation alongside deep network visibility and analytics. The company safeguards critical infrastructure across inline, edge, and hybrid cloud deployment models. It operates from centres in Marlborough, Massachusetts, and Edinburgh, with its headquarters in London. Corero is currently developing CORE, an observability and resiliency ecosystem designed to unify defensive actions across the modern threat landscape, representing a potential expansion of its product offering beyond its established DDoS mitigation services.