Jan Barta

Business address
Na BaterIIch 104/35, Brevnov, Prague, 16200
Top holdings (ownership)
GRPN
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Jan Barta has filed 55 SEC EDGAR filings since 05 Nov 2021

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
13F-NT Open Document Open Filing 13 Nov 2025 30 Sep 2025 028-22859
SCHEDULE 13D/A Open Document Open Filing 08 Sep 2025
N-PX Open Document Open Filing 28 Aug 2025 30 Jun 2025 028-22859
13F-NT Open Document Open Filing 13 Aug 2025 30 Jun 2025 028-22859
13F-NT Open Document Open Filing 14 May 2025 31 Mar 2025 028-22859
13F-NT Open Document Open Filing 13 Feb 2025 31 Dec 2024 028-22859
SCHEDULE 13D/A Open Document | Data Open Filing 06 Feb 2025
SCHEDULE 13D/A Open Document Open Filing 06 Feb 2025
13F-NT Open Document Open Filing 12 Nov 2024 30 Sep 2024 028-22859
SC 13D/A Open Document Open Filing AMENDMENT NO. 4 TO THE SCHEDULE 13D 08 Nov 2024
SC 13D/A Open Document Open Filing AMENDMENT NO. 16 TO THE SCHEDULE 13D 01 Nov 2024
N-PX Open Document Open Filing 23 Aug 2024 30 Jun 2024 028-22859
13F-NT Open Document Open Filing 13 Aug 2024 30 Jun 2024 028-22859
13F-NT Open Document Open Filing 14 May 2024 31 Mar 2024 028-22859
SC 13D/A Open Document Open Filing AMENDMENT NO. 15 TO THE SCHEDULE 13D 10 May 2024
13F-NT Open Document Open Filing 13 Feb 2024 31 Dec 2023 028-22859
4 Open Document Open Filing OWNERSHIP DOCUMENT 23 Jan 2024 19 Jan 2024 001-35335
SC 13D/A Open Document Open Filing AMENDMENT NO. 14 TO THE SCHEDULE 13D 23 Jan 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Nov 2023 16 Nov 2023 001-35335
SC 13D/A Open Document Open Filing AMENDMENT NO. 13 TO THE SCHEDULE 13D 13 Nov 2023
13F-NT Open Document Open Filing 13 Nov 2023 30 Sep 2023 028-22859
SC 13D/A Open Document Open Filing AMENDMENT NO. 12 TO THE SCHEDULE 13D 23 Aug 2023
13F-NT Open Document Open Filing 11 Aug 2023 30 Jun 2023 028-22859
13F-NT Open Document Open Filing 15 May 2023 31 Mar 2023 028-22859
SC 13D/A Open Document Open Filing AMENDMENT NO. 11 TO THE SCHEDULE 13D 31 Mar 2023
13F-NT Open Document Open Filing 08 Feb 2023 31 Dec 2022 028-22859
SC 13D/A Open Document Open Filing AMENDMENT NO. 3 TO THE SCHEDULE 13D 27 Dec 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT 22 Dec 2022 20 Dec 2022 001-35335
SC 13D/A Open Document Open Filing AMENDMENT NO. 2 TO THE SCHEDULE 13D 21 Dec 2022
3/A Open Document Open Filing OWNERSHIP DOCUMENT 20 Dec 2022 31 Mar 2022 001-35335
SC 13D/A Open Document Open Filing AMENDMENT NO. 10 TO THE SCHEDULE 13D 20 Dec 2022
SC 13D/A Open Document Open Filing AMENDMENT NO. 1 TO THE SCHEDULE 13D 09 Dec 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Sep 2022 31 Aug 2022 001-35335
SC 13D Open Document Open Filing SCHEDULE 13D 29 Aug 2022
SC 13D/A Open Document Open Filing AMENDMENT NO. 9 TO THE SCHEDULE 13D 13 Jun 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT 25 May 2022 23 May 2022 001-35335
SC 13D/A Open Document Open Filing AMENDMENT NO. 8 TO THE SCHEDULE 13D 25 May 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT 11 May 2022 09 May 2022 001-35335
SC 13D/A Open Document Open Filing AMENDMENT NO. 7 TO THE SCHEDULE 13D 11 May 2022
SC 13D/A Open Document Open Filing AMENDMENT NO. 6 TO THE SCHEDULE 13D 28 Apr 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT 27 Apr 2022 25 Apr 2022 001-35335
4 Open Document Open Filing OWNERSHIP DOCUMENT 21 Apr 2022 19 Apr 2022 001-35335
SC 13D/A Open Document Open Filing AMENDMENT NO. 5 TO THE SCHEDULE 13D 21 Apr 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT 11 Apr 2022 07 Apr 2022 001-35335
4/A Open Document Open Filing OWNERSHIP DOCUMENT 07 Apr 2022 04 Apr 2022 001-35335
4/A Open Document Open Filing OWNERSHIP DOCUMENT 07 Apr 2022 31 Mar 2022 001-35335
3/A Open Document Open Filing OWNERSHIP DOCUMENT 07 Apr 2022 31 Mar 2022 001-35335
SC 13D/A Open Document Open Filing AMENDMENT NO. 4 TO THE SCHEDULE 13D 07 Apr 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Apr 2022 04 Apr 2022 001-35335
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Apr 2022 31 Mar 2022 001-35335
3 Open Document Open Filing OWNERSHIP DOCUMENT 04 Apr 2022 31 Mar 2022 001-35335
SC 13D/A Open Document Open Filing AMENDMENT NO. 3 TO THE SCHEDULE 13D 15 Feb 2022
SC 13D/A Open Document Open Filing AMENDMENT NO. 2 26 Jan 2022
SC 13D/A Open Document Open Filing AMENDMENT NO. 1 19 Jan 2022
SC 13D Open Document Open Filing SCHEDULE 13D 05 Nov 2021