Topsoe Holding A/S

Business address
Haldor Topsoe Alle 1, Kongens Lyngby, Denmark, 2800
Top holdings (ownership)
IGMS
State of incorporation
Denmark
Fiscal year end
December 31
Former names
Haldor Topsoe Holding A/S (to 12/16/2020)
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Topsoe Holding A/S has filed 10 SEC EDGAR filings since 9/17/2019

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13D/A Open Document Open Filing Aug 18, 2025
4 Open Document Open Filing Aug 14, 2025 Aug 14, 2025 001-39045
SC 13D/A Open Document Open Filing SC 13D/A Jul 19, 2023
4 Open Document Open Filing FORM 4 SUBMISSION Jun 28, 2023 Jun 26, 2023 001-39045
4 Open Document Open Filing FORM 4 SUBMISSION Apr 5, 2022 Apr 1, 2022 001-39045
SC 13D/A Open Document Open Filing SC 13D/A (AMENDMENT NO. 1) Dec 16, 2020
4 Open Document Open Filing FORM 4 SUBMISSION Dec 15, 2020 Dec 11, 2020 001-39045
SC 13D Open Document Open Filing SC 13D Sep 30, 2019
4 Open Document Open Filing FORM 4 SUBMISSION Sep 20, 2019 Sep 18, 2019 001-39045
3 Open Document Open Filing FORM 3 SUBMISSION Sep 17, 2019 Sep 17, 2019 001-39045