Robby Sai Kit Chang

Business address
1807 18 Harbour Street, Toronto, Ontario, Canada, M5J 2Z6
Top holdings (ownership)
GRYP and URG
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Robby Sai Kit Chang has filed 29 SEC EDGAR filings since 07 Mar 2018

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 26 Sep 2025 25 Sep 2025 001-33905
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jan 2025 17 Jan 2025 001-33905
4 Open Document Open Filing FORM 4 16 Dec 2024 12 Dec 2024 001-33905
4 Open Document Open Filing 04 Nov 2024 31 Oct 2024 001-39096
4 Open Document Open Filing FORM 4 25 Jun 2024 24 Jun 2024 001-33905
4 Open Document Open Filing FORM 4 24 Jun 2024 21 Jun 2024 001-33905
4 Open Document Open Filing FORM 4 21 Jun 2024 20 Jun 2024 001-33905
SC 13D Open Document Open Filing SCHEDULE 13D 16 Feb 2024
3 Open Document Open Filing 16 Feb 2024 09 Feb 2024 001-39096
4 Open Document Open Filing PRIMARY DOCUMENT 11 Dec 2023 07 Dec 2023 001-33905
4 Open Document Open Filing PRIMARY DOCUMENT 20 Nov 2023 17 Nov 2023 001-33905
4 Open Document Open Filing PRIMARY DOCUMENT 30 Aug 2023 28 Aug 2023 001-33905
4 Open Document Open Filing PRIMARY DOCUMENT 14 Aug 2023 10 Aug 2023 001-33905
4 Open Document Open Filing PRIMARY DOCUMENT 01 Feb 2023 30 Jan 2023 001-33905
4 Open Document Open Filing FORM 4 30 Jan 2023 27 Jan 2023 001-33905
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jan 2023 04 Jan 2023 001-33905
4 Open Document Open Filing PRIMARY DOCUMENT 16 Nov 2022 14 Nov 2022 001-33905
4 Open Document Open Filing PRIMARY DOCUMENT 09 Nov 2021 05 Nov 2021 001-33905
4 Open Document Open Filing PRIMARY DOCUMENT 31 Aug 2021 27 Aug 2021 001-33905
4 Open Document Open Filing PRIMARY DOCUMENT 16 Dec 2020 14 Dec 2020 001-33905
4 Open Document Open Filing PRIMARY DOCUMENT 17 Nov 2020 13 Nov 2020 001-33905
4 Open Document Open Filing FORM 4 24 Aug 2020 21 Aug 2020 001-33905
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Nov 2019 05 Nov 2019 001-33905
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Dec 2018 14 Dec 2018 001-33905
4 Open Document Open Filing FORM 4 24 Sep 2018 20 Sep 2018 001-33675
4 Open Document Open Filing OWNERSHIP DOCUMENT 21 Aug 2018 20 Aug 2018 001-33905
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Apr 2018 30 Mar 2018 001-33905
3 Open Document Open Filing FORM 3 03 Apr 2018 30 Mar 2018 001-33905
3 Open Document Open Filing FORM 3 07 Mar 2018 27 Feb 2018 001-33675