Grigorios Siokas

Business address
5 Ag. Georgiou Str., Pilea, Thessaloniki, Greece, TK57001
Top holdings (ownership)
COSM
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Grigorios Siokas has filed 98 SEC EDGAR filings since 24 Dec 2015

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 22 Dec 2025 19 Dec 2025 001-41308
4 Open Document Open Filing FORM 4 16 Dec 2025 15 Dec 2025 001-41308
4 Open Document Open Filing FORM 4 01 Dec 2025 28 Nov 2025 001-41308
4 Open Document Open Filing FORM 4 26 Nov 2025 25 Nov 2025 001-41308
4 Open Document Open Filing FORM 4 24 Nov 2025 21 Nov 2025 001-41308
4 Open Document Open Filing FORM 4 21 Nov 2025 20 Nov 2025 001-41308
4 Open Document Open Filing FORM 4 20 Nov 2025 19 Nov 2025 001-41308
SCHEDULE 13D/A Open Document Open Filing 27 May 2025
4 Open Document Open Filing FORM 4 27 May 2025 23 May 2025 001-41308
4 Open Document Open Filing FORM 4 23 May 2025 22 May 2025 001-41308
4 Open Document Open Filing FORM 4 22 May 2025 21 May 2025 001-41308
4 Open Document Open Filing FORM 4 21 May 2025 20 May 2025 001-41308
4 Open Document Open Filing FORM 4 20 May 2025 19 May 2025 001-41308
4 Open Document Open Filing FORM 4 28 Apr 2025 24 Apr 2025 001-41308
4 Open Document Open Filing FORM 4 25 Apr 2025 24 Apr 2025 001-41308
4 Open Document Open Filing FORM 4 24 Apr 2025 23 Apr 2025 001-41308
4 Open Document Open Filing FORM 4 23 Apr 2025 22 Apr 2025 001-41308
4 Open Document Open Filing FORM 4 22 Apr 2025 21 Apr 2025 001-41308
4 Open Document Open Filing FORM 4 05 Mar 2025 04 Mar 2025 001-41308
4 Open Document Open Filing FORM 4 04 Mar 2025 03 Mar 2025 001-41308
SCHEDULE 13D/A Open Document Open Filing 28 Feb 2025
4 Open Document Open Filing FORM 4 25 Feb 2025 24 Feb 2025 001-41308
5 Open Document Open Filing FORM 5 14 Feb 2025 31 Dec 2024 001-41308
4 Open Document Open Filing FORM 4 31 Jan 2025 30 Jan 2025 001-41308
SCHEDULE 13D/A Open Document Open Filing 29 Jan 2025
4 Open Document Open Filing FORM 4 23 Jan 2025 22 Jan 2025 001-41308
4 Open Document Open Filing FORM 4 21 Jan 2025 17 Jan 2025 001-41308
4 Open Document Open Filing FORM 4 17 Jan 2025 16 Jan 2025 001-41308
4 Open Document Open Filing FORM 4 16 Jan 2025 15 Jan 2025 001-41308
4 Open Document Open Filing FORM 4 15 Jan 2025 14 Jan 2025 001-41308
4 Open Document Open Filing FORM 4 14 Jan 2025 13 Jan 2025 001-41308
4 Open Document Open Filing FORM 4 26 Dec 2024 20 Dec 2024 001-41308
4 Open Document Open Filing FORM 4 21 Feb 2024 16 Feb 2024 001-41308
4 Open Document Open Filing FORM 4 12 Oct 2023 12 Oct 2023 001-41308
SC 13D/A Open Document Open Filing SC 13D/A 25 Jul 2023
4 Open Document Open Filing FORM 4 24 Jul 2023 20 Jul 2023 001-41308
4 Open Document Open Filing FORM 4 07 Jun 2023 06 Jun 2023 001-41308
4 Open Document Open Filing FORM 4 28 Apr 2023 27 Apr 2023 001-41308
4 Open Document Open Filing FORM 4 21 Apr 2023 21 Apr 2023 001-41308
4 Open Document Open Filing FORM 4 10 Apr 2023 07 Apr 2023 001-41308
4/A Open Document Open Filing FORM 4 A 27 Jan 2023 19 Dec 2022 001-41308
SC 13D/A Open Document Open Filing SC 13D/A 23 Dec 2022
4 Open Document Open Filing FORM 4 21 Dec 2022 19 Dec 2022 001-41308
4 Open Document Open Filing FORM 4 02 Dec 2022 02 Dec 2022 001-41308
4 Open Document Open Filing FORM 4 01 Dec 2022 30 Nov 2022 001-41308
4/A Open Document Open Filing FORM 4 A 29 Nov 2022 28 Nov 2022 001-41308
4 Open Document Open Filing FORM 4 28 Nov 2022 28 Nov 2022 001-41308
SC 13D/A Open Document Open Filing SC 13D/A 25 Oct 2022
4 Open Document Open Filing FORM 4 24 Oct 2022 20 Oct 2022 001-41308
SC 13D Open Document Open Filing SC 13D 04 Aug 2022
4/A Open Document Open Filing FORM 4 A 04 Aug 2022 15 Jun 2022 001-41308
4 Open Document Open Filing FORM 4 22 Jul 2022 15 Jun 2022 001-41308
SC 13G/A Open Document Open Filing SC 13G/A 11 Feb 2022
4 Open Document Open Filing FORM 4 14 Dec 2021 08 Dec 2021 000-54436
4 Open Document Open Filing FORM 4 22 Oct 2021 22 Oct 2021 000-54436
4 Open Document Open Filing FORM 4 21 Jul 2021 20 Jul 2021 000-54436
4 Open Document Open Filing FORM 4 21 Jul 2021 19 Jul 2021 000-54436
4 Open Document Open Filing FORM 4 14 Jul 2021 13 Jul 2021 000-54436
4 Open Document Open Filing FORM 4 25 Jun 2021 23 Jun 2021 000-54436
4 Open Document Open Filing FORM 4 21 Jun 2021 17 Jun 2021 000-54436
4 Open Document Open Filing FORM 4 29 Apr 2021 27 Apr 2021 000-54436
SC 13G/A Open Document Open Filing SC 13G/A 12 Feb 2021
4 Open Document Open Filing FORM 4 21 Jan 2021 20 Jan 2021 000-54436
4 Open Document Open Filing FORM 4 23 Dec 2020 21 Dec 2020 000-54436
4 Open Document Open Filing FORM 4 21 Oct 2020 19 Oct 2020 000-54436
4 Open Document Open Filing FORM 4 14 Oct 2020 12 Oct 2020 000-54436
4 Open Document Open Filing FORM 4 31 Jul 2020 29 Jul 2020 000-54436
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2020
4 Open Document Open Filing FORM 4 06 Sep 2019 06 Sep 2019 000-54436
4 Open Document Open Filing FORM 4 26 Jun 2019 24 Jun 2019 000-54436
4 Open Document Open Filing FORM 4 18 Jun 2019 18 Jun 2019 000-54436
5/A Open Document Open Filing FORM 5 A 04 Jun 2019 31 Dec 2018 000-54436
4 Open Document Open Filing FORM 4 28 May 2019 28 May 2019 000-54436
4 Open Document Open Filing FORM 4 27 Feb 2019 27 Feb 2019 000-54436
SC 13G/A Open Document Open Filing SC 13G/A 14 Jan 2019
5 Open Document Open Filing FORM 5 14 Jan 2019 31 Dec 2018 000-54436
4 Open Document Open Filing FORM 4 21 Dec 2018 20 Dec 2018 000-54436
4 Open Document Open Filing FORM 4 01 Nov 2018 30 Oct 2018 000-54436
4 Open Document Open Filing FORM 4 29 Oct 2018 25 Oct 2018 000-54436
4 Open Document Open Filing FORM 4 11 Jul 2018 09 Jul 2018 000-54436
4 Open Document Open Filing FORM 4 02 Apr 2018 30 Mar 2018 000-54436
4 Open Document Open Filing FORM 4 30 Mar 2018 28 Mar 2018 000-54436
SC 13G Open Document Open Filing SC 13G 09 Feb 2018
4 Open Document Open Filing FORM 4 15 Dec 2017 13 Dec 2017 000-54436
4 Open Document Open Filing FORM 4 25 Oct 2017 23 Oct 2017 000-54436
4 Open Document Open Filing FORM 4 17 Oct 2017 16 Oct 2017 000-54436
4 Open Document Open Filing FORM 4 02 Jun 2017 31 May 2017 000-54436
4 Open Document Open Filing FORM 4 07 Apr 2017 05 Apr 2017 000-54436
4 Open Document Open Filing FORM 4 03 Mar 2017 01 Mar 2017 000-54436
4 Open Document Open Filing FORM 4 08 Feb 2017 06 Feb 2017 000-54436
4 Open Document Open Filing FORM 4 19 Jan 2017 17 Jan 2017 000-54436
4 Open Document Open Filing FORM 4 07 Nov 2016 04 Nov 2016 000-54436
4 Open Document Open Filing FORM 4 11 Oct 2016 07 Oct 2016 000-54436
4 Open Document Open Filing FORM 4 04 Oct 2016 30 Sep 2016 000-54436
4 Open Document Open Filing FORM 4 19 Sep 2016 15 Sep 2016 000-54436
4 Open Document Open Filing FORM 4 12 Aug 2016 11 Aug 2016 000-54436
4 Open Document Open Filing FORM 4 05 Feb 2016 08 Jan 2016 000-54436
3 Open Document Open Filing FORM 3 24 Dec 2015 04 Nov 2015 000-54436