Explore the full insider trade history of Castellum Aktiebolag, a publicly traded company based in Finland. Shares trade on FI FI, under the oversight of FIN-FSA. Operating in the Real Estate sector, Castellum Aktiebolag has logged 6 public disclosures. Market capitalisation: €57.4bn. The latest transaction was disclosed on 4 May 2026 (Purchase). Among the most active insiders: Marita Loft. Every trade is free.