Richard Ian Griffiths 13D and 13G filings for :
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-04-24 09:28 am Purchase | 2025-04-24 | 13D | Silence Therapeutics plc SLN | Richard Ian Griffiths | 30,933,897 21.800% | 1,650,000 (+5.63%) | Filing |
| 2025-03-31 10:50 am Purchase | 2025-03-31 | 13D | Silence Therapeutics plc SLN | Richard Ian Griffiths | 29,283,897 20.700% | 2,017,896 (+7.40%) | Filing |
| 2024-12-20 5:32 pm Purchase | 2024-12-18 | 13D | Silence Therapeutics plc SLN | Richard Ian Griffiths | 27,266,001 19.300% | 3,556,899 (+15.00%) | Filing |
| 2024-03-27 5:07 pm Sale | 2024-03-27 | 13D | Silence Therapeutics plc SLN | Richard Ian Griffiths | 23,709,102 16.900% | -5,013,153 (-17.45%) | Filing |
| 2023-08-14 5:01 pm Purchase | 2023-08-14 | 13D | Silence Therapeutics plc SLN | Richard Ian Griffiths | 28,722,255 26.580% | 1,348,863 (+4.93%) | Filing |
| 2022-10-20 4:01 pm Purchase | 2022-08-16 | 13D | Silence Therapeutics plc SLN | Richard Ian Griffiths | 27,373,392 25.420% | 1,904,121 (+7.48%) | Filing |
| 2022-07-20 4:00 pm Purchase | 2022-07-19 | 13D | Silence Therapeutics plc SLN | Richard Ian Griffiths | 25,469,271 28.400% | 1,187,562 (+4.89%) | Filing |
| 2022-06-15 4:31 pm Purchase | 2022-06-08 | 13D | Silence Therapeutics plc SLN | Richard Ian Griffiths | 24,281,709 27.000% | 3,585,357 (+17.32%) | Filing |
| 2022-02-14 4:54 pm Sale | 2021-12-31 | 13G | Silence Therapeutics plc SLN | Richard Ian Griffiths | 20,696,352 23.050% | -169,496 (-0.81%) | Filing |
| 2021-02-17 3:47 pm Purchase | 2020-12-31 | 13G | Silence Therapeutics plc SLN | Richard Ian Griffiths | 20,865,848 23.300% | 20,865,848 (New Position) | Filing |