SEC EDGAR filings, ownership reports, and insider transactions for Sergei M. Gryaznov.
Recent SEC filings for Sergei M. Gryaznov including 4, SCHEDULE 13G/A, SC 13G and more.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2025 | 14 May 2025 | 001-41455 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 14 Feb 2025 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Feb 2025 | 10 Feb 2025 | 001-41455 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Apr 2024 | 30 Apr 2024 | 001-41455 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Jan 2024 | 24 Jan 2024 | 001-41455 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jun 2023 | 31 May 2023 | 001-41455 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Mar 2023 | 08 Mar 2023 | 001-41455 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SC 13G | 14 Feb 2023 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Dec 2022 | 07 Dec 2022 | 001-41455 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Sep 2022 | 16 Sep 2022 | 001-41455 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Aug 2022 | 24 Aug 2022 | 001-41455 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Aug 2022 | 01 Aug 2022 | 001-41455 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 27 Jul 2022 | 27 Jul 2022 | 001-41455 |
Sergei M. Gryaznov files with the SEC under CIK 0001913228. This page aggregates EDGAR filings and related ownership activity.