Richard Ian Griffiths

Entity
Individual
Business address
C/O Silence Therapeutics Inc., 72 Hammersmith Road, W14 8TH London, United Kingdom
Signature Schedule 13D/G
Richard Ian Griffiths - Richard Ian Griffiths
Signature Ownership
/s/ Richard Ian Griffiths
All SEC filings
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Richard Ian Griffiths has filed 37 SEC EDGAR filings since 2/17/2021

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing OWNERSHIP DOCUMENT Aug 4, 2025 Jul 31, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 31, 2025 Jul 29, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 23, 2025 Jul 21, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 16, 2025 Jul 11, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 10, 2025 Jul 7, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 30, 2025 Jun 26, 2025 001-39487
SCHEDULE 13D/A Open Document Open Filing Jun 25, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 25, 2025 Jun 22, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 20, 2025 Jun 17, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 13, 2025 Jun 12, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT May 29, 2025 May 26, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT May 27, 2025 May 22, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT May 21, 2025 May 18, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT May 15, 2025 May 13, 2025 001-39487
SCHEDULE 13D/A Open Document Open Filing May 8, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT May 8, 2025 May 5, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT May 2, 2025 Apr 30, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 30, 2025 Apr 28, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 28, 2025 Apr 24, 2025 001-39487
SCHEDULE 13D/A Open Document Open Filing Apr 24, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 24, 2025 Apr 22, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 22, 2025 Apr 17, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 15, 2025 Apr 10, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 1, 2025 Mar 31, 2025 001-39487
SCHEDULE 13D/A Open Document Open Filing Mar 31, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 31, 2025 Mar 27, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 6, 2025 Mar 5, 2025 001-39487
4 Open Document Open Filing OWNERSHIP DOCUMENT Feb 25, 2025 Jan 8, 2025 001-39487
3 Open Document Open Filing Jan 2, 2025 Jan 2, 2025 001-39487
SCHEDULE 13D/A Open Document Open Filing Dec 20, 2024
SC 13D/A Open Document Open Filing SC 13D/A Mar 27, 2024
SC 13D/A Open Document Open Filing SC 13D/A Aug 14, 2023
SC 13D/A Open Document Open Filing SC 13D/A Oct 20, 2022
SC 13D/A Open Document Open Filing SC 13D/A Jul 20, 2022
SC 13D Open Document Open Filing SC 13D Jun 15, 2022
SC 13G Open Document Open Filing SC 13G Feb 14, 2022
SC 13G Open Document Open Filing SC 13G Feb 17, 2021