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| AB Sergius Invest CVR 5566725213 | BoardBoard of Directors | Since 2022 | — | Active |
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| AB Sergius Capital CVR 5569288185 | ManagementChief Executive Officer | Since 2022 | — | Active |
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| Reputation and Trust Analytics Invest AB CVR 5594398140 | BoardBoard of Directors | Since 2023 | — | Active |
| Carmenta Holding 2 AB CVR 5594462615 | BoardBoard of Directors | Since 2023 | — | Active |
| Sfast Tamb 1 AB CVR 5595171835 | BoardBoard of Directors | Since 2025 | — | Active |
| Bostadsrättsföreningen Tamburmajoren 1 CVR 7696428130 | BoardBoard of Directors | Since 2025 | — | Active |