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Company records / castelion.com

Castelion

Castelion (castelion.com): 4 changes recorded in its website history since September 2023. Homepage last checked 5 November 2026.

Recorded changes

Newest observations first. Each interval bounds when the website changed; it is not an exact event date.

  1. FundingBetween and

    Announced on its homepage: “Castelion Closes $350 Million Series B to Mass Produce U.S.”.

    Observed on the company’s website; business claims are not independently verified.

    earlier archived pagelater archived pageLink to observation
  2. FundingBetween and

    Announced on its homepage: “Castelion News More News December 05, 2025 Castelion Closes $350 Million Series B to Mass Produce U.S.”.

    Observed on the company’s website; business claims are not independently verified.

    earlier archived pagelater archived pageLink to observation
  3. ComplianceBetween and

    Now states ISO 27001 compliance on its homepage.

    Observed on the company’s website; business claims are not independently verified.

    earlier archived pagelater archived pageLink to observation
  4. FundingBetween and

    Announced on its homepage: “Castelion Announces Series A Funding Castelion is excited to announce a $100M capital raise.”.

    Observed on the company’s website; business claims are not independently verified.

    earlier archived pagelater archived pageLink to observation

First recorded website

Observed 30 September 2023

Our earliest capture with readable facts. This is our first observation, not when the company introduced these things. These website claims are not independently verified.

How it described itself

Modern Defense Production

We are a modern defense production company building the next generation of military hypersonic, vehicle, and strike systems to deter future wars.

archived pageLink to first observation

All facts above belong to this capture. Unlisted fields mean we have no readable observation, not that they were absent.

How it describes itself

Similar headlines are grouped together. The quote shown is from the last capture in each group, not necessarily the exact wording throughout that period.

  1. September 2023 – January 2025 · 4 captures · latest observed messagingModern Defense Production

    We are a modern defense production company building the next generation of military hypersonic, vehicle, and strike systems to deter future wars.

    This wording observed 16 January 2025.

    archived page
    Inspect 4 captures in this group

Cite this record

StartupHistory, “Castelion” company record, https://startuphistory.org/c/castelion.com

Machine-readable: /c/castelion.com.json. How changes are found: method.