Mark Tompkins

Entity
Individual
Business address
App. 1, Via Guidino 23, 6900 Lugano Paradiso, Switzerland
13D/G Schedule signature
Mark N. Tompkins - Mark N. Tompkins
Insider ownership signature
/s/ Mark Tompkins
All SEC filings
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Mark Tompkins has filed 117 SEC EDGAR filings since 2/11/2009

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
3 Open Document Open Filing Dec 1, 2025 Dec 1, 2025 000-56784
SCHEDULE 13G Open Document Open Filing Nov 14, 2025
SCHEDULE 13G Open Document Open Filing Nov 14, 2025
SCHEDULE 13G Open Document Open Filing Nov 14, 2025
SCHEDULE 13G/A Open Document Open Filing Nov 14, 2025
SCHEDULE 13G/A Open Document Open Filing Nov 14, 2025
SCHEDULE 13G/A Open Document Open Filing Nov 14, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 21, 2025 Oct 17, 2025 001-42570
4 Open Document Open Filing Oct 17, 2025 Oct 15, 2025 001-42570
4 Open Document Open Filing Oct 14, 2025 Oct 10, 2025 001-42570
4 Open Document Open Filing Oct 9, 2025 Oct 7, 2025 001-42570
4 Open Document Open Filing Oct 6, 2025 Oct 2, 2025 001-42570
4/A Open Document Open Filing Oct 6, 2025 Sep 29, 2025 001-42570
4 Open Document Open Filing Oct 2, 2025 Sep 29, 2025 001-42570
3 Open Document Open Filing Sep 30, 2025 Sep 30, 2025 000-56769
3 Open Document Open Filing Sep 30, 2025 Sep 30, 2025 000-56770
4 Open Document Open Filing Sep 8, 2025 Sep 5, 2025 000-56407
4 Open Document Open Filing Aug 28, 2025 Aug 26, 2025 000-56749
4 Open Document Open Filing Aug 28, 2025 Aug 26, 2025 000-56407
4 Open Document Open Filing Jul 25, 2025 Jul 23, 2025 000-56406
4 Open Document Open Filing Jul 18, 2025 Jul 16, 2025 000-56406
3 Open Document Open Filing Jul 14, 2025 Jul 14, 2025 000-56749
SCHEDULE 13G/A Open Document Open Filing Apr 3, 2025
4 Open Document Open Filing Mar 31, 2025 Mar 27, 2025 001-42570
SCHEDULE 13G/A Open Document Open Filing Feb 14, 2025
SCHEDULE 13G/A Open Document Open Filing Feb 14, 2025
SC 13G Open Document Open Filing Nov 14, 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 5, 2024 Nov 1, 2024 000-56377
SC 13G/A Open Document Open Filing AMENDMENT NO. 3 TO SCHEDULE 13G Aug 14, 2024
SC 13G/A Open Document Open Filing AMENDMENT NO. 2 TO SCHEDULE 13G Aug 14, 2024
SC 13G/A Open Document Open Filing AMENDMENT NO. 3 TO SCHEDULE 13G Feb 14, 2024
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13G Feb 14, 2024
SC 13G/A Open Document Open Filing AMENDMENT NO. 2 TO SCHEDULE 13G Feb 14, 2024
4 Open Document Open Filing Aug 2, 2023 Jul 31, 2023 000-56237
SC 13G/A Open Document Open Filing AMENDMENT NO. 2 TO SCHEDULE 13G Feb 14, 2023
SC 13G/A Open Document Open Filing AMENDMENT NO. 2 TO SCHEDULE 13G Feb 14, 2023
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13G Feb 14, 2023
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13G Feb 14, 2023
SC 13G Open Document Open Filing SCHEDULE 13G Feb 10, 2023
SC 13G Open Document Open Filing SCHEDULE 13G Feb 10, 2023
SC 13G Open Document Open Filing SCHEDULE 13G Feb 10, 2023
4 Open Document Open Filing Jan 13, 2023 Dec 22, 2022 000-56218
3 Open Document Open Filing Apr 20, 2022 Apr 20, 2022 000-56407
3 Open Document Open Filing Apr 20, 2022 Apr 20, 2022 000-56406
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13G Feb 14, 2022
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13G Feb 14, 2022
SC 13G Open Document Open Filing SCHEDULE 13G Feb 14, 2022
SC 13G Open Document Open Filing SCHEDULE 13G Feb 14, 2022
3 Open Document Open Filing OWNERSHIP DOCUMENT Feb 10, 2022 Feb 10, 2022 000-56377
SC 13G Open Document Open Filing SCHEDULE 13G Nov 23, 2021
4 Open Document Open Filing Nov 16, 2021 Nov 12, 2021 000-56238
4 Open Document Open Filing Oct 25, 2021 Oct 21, 2021 000-56238
3 Open Document Open Filing OWNERSHIP DOCUMENT Jul 26, 2021 Mar 5, 2021 000-56237
3 Open Document Open Filing Jul 14, 2021 Mar 5, 2021 000-56238
4 Open Document Open Filing Jun 29, 2021 Jun 22, 2021 000-56218
4 Open Document Open Filing Jun 23, 2021 Jun 21, 2021 000-56218
4 Open Document Open Filing Jun 2, 2021 May 28, 2021 001-39553
4 Open Document Open Filing May 27, 2021 May 25, 2021 001-39553
4 Open Document Open Filing May 24, 2021 May 20, 2021 001-39553
4 Open Document Open Filing May 19, 2021 May 17, 2021 001-39553
4 Open Document Open Filing May 14, 2021 May 12, 2021 001-39553
4 Open Document Open Filing May 11, 2021 May 7, 2021 001-39553
4 Open Document Open Filing May 6, 2021 May 4, 2021 001-39553
4 Open Document Open Filing May 3, 2021 Apr 29, 2021 001-39553
4 Open Document Open Filing Apr 28, 2021 Apr 26, 2021 001-39553
4 Open Document Open Filing Apr 20, 2021 Apr 15, 2021 001-39553
4 Open Document Open Filing Apr 14, 2021 Apr 12, 2021 001-39553
4 Open Document Open Filing Apr 9, 2021 Apr 8, 2021 001-39553
4 Open Document Open Filing Apr 7, 2021 Apr 5, 2021 001-39553
4 Open Document Open Filing Apr 1, 2021 Mar 30, 2021 001-39553
4 Open Document Open Filing Mar 5, 2021 Mar 4, 2021 001-39553
4 Open Document Open Filing FORM 4 Feb 25, 2021 Feb 23, 2021 000-56181
SC 13G Open Document Open Filing SCHEDULE 13G Feb 16, 2021
SC 13G Open Document Open Filing SCHEDULE 13G Feb 16, 2021
3 Open Document Open Filing Dec 1, 2020 Dec 1, 2020 000-56218
3 Open Document Open Filing Oct 28, 2020 Aug 17, 2020 000-56181
4 Open Document Open Filing Oct 7, 2020 Oct 5, 2020 000-56036
4 Open Document Open Filing Sep 29, 2020 Sep 29, 2020 001-39553
3 Open Document Open Filing Sep 25, 2020 Sep 24, 2020 001-39553
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13G Feb 18, 2020
4 Open Document Open Filing Feb 14, 2020 Feb 12, 2020 000-55832
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13G Feb 14, 2020
3 Open Document Open Filing May 13, 2019 May 13, 2019 000-56036
SC 13G Open Document Open Filing SCHEDULE 13G Feb 13, 2019
SC 13G Open Document Open Filing SCHEDULE 13G Feb 13, 2019
3 Open Document Open Filing Sep 28, 2018 Oct 28, 2017 000-55832
4 Open Document Open Filing Sep 6, 2018 Sep 6, 2018 000-55804
3 Open Document Open Filing Jul 30, 2018 Jul 29, 2018 000-55939
SC 13D Open Document Open Filing SCHEDULE 13D May 7, 2018
4 Open Document Open Filing OWNERSHIP DOCUMENT May 1, 2018 Apr 27, 2018 000-55804
3 Open Document Open Filing OWNERSHIP DOCUMENT May 1, 2018 Aug 26, 2017 000-55804
SC 13G Open Document Open Filing SC 13G Feb 15, 2018
SC 13G Open Document Open Filing SC 13G Feb 14, 2018
4 Open Document Open Filing 4 Dec 29, 2017 Dec 27, 2017 001-38029
4 Open Document Open Filing 4 Dec 27, 2017 Dec 22, 2017 001-38029
4 Open Document Open Filing 4 Dec 22, 2017 Dec 21, 2017 001-38029
4 Open Document Open Filing 4 Dec 21, 2017 Dec 19, 2017 001-38029
SC 13D/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13D Oct 20, 2017
4 Open Document Open Filing 4 Sep 29, 2017 Sep 28, 2017 001-38029
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 28, 2017 Sep 26, 2017 000-55764
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 26, 2017 Sep 22, 2017 000-55764
4 Open Document Open Filing 4 Sep 22, 2017 Sep 20, 2017 001-38029
4 Open Document Open Filing 4 Sep 14, 2017 Sep 12, 2017 001-38029
4 Open Document Open Filing 4 Sep 12, 2017 Sep 8, 2017 001-38029
4 Open Document Open Filing 4 Sep 8, 2017 Sep 6, 2017 001-38029
4 Open Document Open Filing 4 Jul 12, 2017 Jul 10, 2017 001-38029
SC 13D Open Document Open Filing SCHEDULE 13D Jun 26, 2017
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 19, 2017 Jun 15, 2017 000-55764
3 Open Document Open Filing OWNERSHIP DOCUMENT May 22, 2017 May 20, 2017 000-55764
3 Open Document Open Filing 3 Mar 13, 2017 Mar 10, 2017 001-38029
SC 13G Open Document Open Filing SC 13G Feb 16, 2016
SC 13G/A Open Document Open Filing SC 13G/A Nov 24, 2015
SC 13G Open Document Open Filing SC 13G Jul 10, 2015
SC 13G Open Document Open Filing SC 13G Feb 17, 2015