Richard Ian Griffiths SEC EDGAR Filings (CIK 0001846370)

SEC EDGAR filings, ownership reports, and insider transactions for Richard Ian Griffiths.

Business address
C/O Silence Therapeutics Inc., 72 Hammersmith Road, London, United Kingdom, W14 8TH
Top holdings (Schedule 13D)
SLN
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Richard Ian Griffiths has filed 37 SEC EDGAR filings since 17 Feb 2021

Latest Filings

Recent SEC filings for Richard Ian Griffiths including 4, SCHEDULE 13D/A, 3 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 04 Aug 2025 31 Jul 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 31 Jul 2025 29 Jul 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 23 Jul 2025 21 Jul 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 16 Jul 2025 11 Jul 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 10 Jul 2025 07 Jul 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Jun 2025 26 Jun 2025 001-39487
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 25 Jun 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 25 Jun 2025 22 Jun 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 20 Jun 2025 17 Jun 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 13 Jun 2025 12 Jun 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 May 2025 26 May 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 27 May 2025 22 May 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 21 May 2025 18 May 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 15 May 2025 13 May 2025 001-39487
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 08 May 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 08 May 2025 05 May 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 May 2025 30 Apr 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Apr 2025 28 Apr 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 28 Apr 2025 24 Apr 2025 001-39487
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 24 Apr 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 24 Apr 2025 22 Apr 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 22 Apr 2025 17 Apr 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 15 Apr 2025 10 Apr 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 01 Apr 2025 31 Mar 2025 001-39487
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 31 Mar 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 31 Mar 2025 27 Mar 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 06 Mar 2025 05 Mar 2025 001-39487
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 25 Feb 2025 08 Jan 2025 001-39487
3 Open 3 document View SEC filing for 3 02 Jan 2025 02 Jan 2025 001-39487
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 20 Dec 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 27 Mar 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 14 Aug 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 20 Oct 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 20 Jul 2022
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 15 Jun 2022
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2022
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 17 Feb 2021

About this filer

Richard Ian Griffiths files with the SEC under CIK 0001846370. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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