Mark Reinstra

Business address
970 Park Place, San Mateo, CA, 94403
Top holdings (ownership)
RBLX
Get insider transactions for this reporting owner
Mark Reinstra has filed 93 SEC EDGAR filings since 02 Mar 2021

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 24 Nov 2025 20 Nov 2025 001-39763
144 Open Document Open Filing 20 Nov 2025
4 Open Document Open Filing FORM 4 07 Nov 2025 05 Nov 2025 001-39763
144 Open Document Open Filing 05 Nov 2025
4 Open Document Open Filing FORM 4 30 Sep 2025 30 Sep 2025 001-39763
4 Open Document Open Filing FORM 4 22 Aug 2025 20 Aug 2025 001-39763
144 Open Document Open Filing 20 Aug 2025
4 Open Document Open Filing FORM 4 07 Aug 2025 05 Aug 2025 001-39763
4 Open Document Open Filing FORM 4 18 Jun 2025 16 Jun 2025 001-39763
144 Open Document Open Filing 16 Jun 2025
4 Open Document Open Filing FORM 4 29 May 2025 27 May 2025 001-39763
144 Open Document Open Filing 27 May 2025
4 Open Document Open Filing FORM 4 22 May 2025 20 May 2025 001-39763
144 Open Document Open Filing 20 May 2025
4 Open Document Open Filing FORM 4 11 Mar 2025 07 Mar 2025 001-39763
4 Open Document Open Filing FORM 4 24 Feb 2025 20 Feb 2025 001-39763
144 Open Document Open Filing 20 Feb 2025
4 Open Document Open Filing FORM 4 12 Feb 2025 10 Feb 2025 001-39763
144 Open Document Open Filing 11 Feb 2025
4 Open Document Open Filing FORM 4 24 Jan 2025 22 Jan 2025 001-39763
144 Open Document Open Filing 22 Jan 2025
4 Open Document Open Filing FORM 4 21 Jan 2025 16 Jan 2025 001-39763
4/A Open Document Open Filing FORM 4/A 21 Jan 2025 13 Nov 2024 001-39763
144 Open Document Open Filing 16 Jan 2025
4 Open Document Open Filing FORM 4 26 Dec 2024 23 Dec 2024 001-39763
144 Open Document Open Filing 23 Dec 2024
4 Open Document Open Filing FORM 4 13 Dec 2024 11 Dec 2024 001-39763
144 Open Document Open Filing 11 Dec 2024
4 Open Document Open Filing FORM 4 26 Nov 2024 25 Nov 2024 001-39763
144 Open Document Open Filing 26 Nov 2024
144 Open Document Open Filing 25 Nov 2024
4 Open Document Open Filing FORM 4 22 Nov 2024 20 Nov 2024 001-39763
144 Open Document Open Filing 20 Nov 2024
4 Open Document Open Filing FORM 4 15 Nov 2024 13 Nov 2024 001-39763
4 Open Document Open Filing FORM 4 06 Nov 2024 04 Nov 2024 001-39763
144 Open Document Open Filing 04 Nov 2024
4 Open Document Open Filing FORM 4 24 Sep 2024 23 Sep 2024 001-39763
144 Open Document Open Filing 23 Sep 2024
4 Open Document Open Filing FORM 4 22 Aug 2024 20 Aug 2024 001-39763
144 Open Document Open Filing 20 Aug 2024
4 Open Document Open Filing FORM 4 19 Aug 2024 15 Aug 2024 001-39763
144 Open Document Open Filing 19 Aug 2024
144 Open Document Open Filing 15 Aug 2024
4 Open Document Open Filing FORM 4 15 Aug 2024 13 Aug 2024 001-39763
144 Open Document Open Filing 13 Aug 2024
4 Open Document Open Filing FORM 4 23 May 2024 22 May 2024 001-39763
4 Open Document Open Filing FORM 4 22 May 2024 21 May 2024 001-39763
144 Open Document Open Filing 22 May 2024
144 Open Document Open Filing 21 May 2024
4 Open Document Open Filing FORM 4 18 Apr 2024 17 Apr 2024 001-39763
144 Open Document Open Filing 17 Apr 2024
4 Open Document Open Filing FORM 4 21 Mar 2024 20 Mar 2024 001-39763
144 Open Document Open Filing 20 Mar 2024
4 Open Document Open Filing FORM 4 05 Mar 2024 01 Mar 2024 001-39763
4 Open Document Open Filing FORM 4 22 Feb 2024 21 Feb 2024 001-39763
144 Open Document Open Filing 21 Feb 2024
144 Open Document Open Filing 21 Feb 2024
4 Open Document Open Filing FORM 4 18 Jan 2024 17 Jan 2024 001-39763
144 Open Document Open Filing 17 Jan 2024
4 Open Document Open Filing FORM 4 26 Dec 2023 26 Dec 2023 001-39763
4 Open Document Open Filing FORM 4 21 Dec 2023 20 Dec 2023 001-39763
144 Open Document Open Filing 20 Dec 2023
4 Open Document Open Filing FORM 4 24 Nov 2023 21 Nov 2023 001-39763
144 Open Document Open Filing 21 Nov 2023
144 Open Document Open Filing 21 Nov 2023
4 Open Document Open Filing FORM 4 20 Oct 2023 18 Oct 2023 001-39763
144 Open Document Open Filing 18 Oct 2023
4 Open Document Open Filing FORM 4 22 Aug 2023 21 Aug 2023 001-39763
144 Open Document Open Filing 21 Aug 2023
4 Open Document Open Filing FORM 4 20 Jul 2023 19 Jul 2023 001-39763
144 Open Document Open Filing 19 Jul 2023
4 Open Document Open Filing FORM 4 22 Jun 2023 21 Jun 2023 001-39763
144 Open Document Open Filing 21 Jun 2023
4 Open Document Open Filing FORM 4 30 May 2023 26 May 2023 001-39763
144 Open Document Open Filing 26 May 2023
4 Open Document Open Filing FORM 4 24 May 2023 22 May 2023 001-39763
144 Open Document Open Filing 22 May 2023
4 Open Document Open Filing FORM 4 14 Apr 2023 13 Apr 2023 001-39763
4 Open Document Open Filing FORM 4 24 Feb 2023 23 Feb 2023 001-39763
4 Open Document Open Filing FORM 4 23 Feb 2023 21 Feb 2023 001-39763
4 Open Document Open Filing FORM 4 23 Nov 2022 21 Nov 2022 001-39763
4 Open Document Open Filing FORM 4 17 Nov 2022 15 Nov 2022 001-39763
4 Open Document Open Filing FORM 4 24 Aug 2022 20 May 2022 001-39763
4 Open Document Open Filing FORM 4 12 Apr 2022 08 Apr 2022 001-39763
4 Open Document Open Filing FORM 4 08 Feb 2022 10 Mar 2021 001-39763
4 Open Document Open Filing FORM 4 11 Jan 2022 07 Jan 2022 001-39763
4 Open Document Open Filing FORM 4 17 Nov 2021 15 Nov 2021 001-39763
4 Open Document Open Filing FORM 4 15 Nov 2021 11 Nov 2021 001-39763
4 Open Document Open Filing FORM 4 SUBMISSION 09 Jun 2021 07 Jun 2021 001-39763
4 Open Document Open Filing FORM 4 SUBMISSION 16 Mar 2021 15 Mar 2021 001-39763
4 Open Document Open Filing FORM 4 SUBMISSION 12 Mar 2021 10 Mar 2021 001-39763
4 Open Document Open Filing FORM 4 SUBMISSION 08 Mar 2021 05 Mar 2021 001-39763
3 Open Document Open Filing FORM 3 SUBMISSION 02 Mar 2021 02 Mar 2021 001-39763